»ö« Welcome to Perl 6! | perl6.org/ | evalbot usage: 'p6: say 3;' or rakudo:, std:, or /msg camelia p6: ... | irclog: irc.perl6.org or colabti.org/irclogger/irclogger_logs/perl6 | UTF-8 is our friend!
Set by masak on 28 November 2015.
masak m: say so "foo" ~~ /f(oo)/; say ~$0 00:00
camelia rakudo-moar 091ee7: OUTPUT«True␤oo␤»
masak m: constant $R = /f(oo)/; say so "foo" ~~ $R; say ~$0
camelia rakudo-moar 091ee7: OUTPUT«True␤Use of Nil in string context in block <unit> at /tmp/ogMqZLMmG5:1␤␤»
masak the last line not working is a regression (that I just discovered in a test in a branch in 007)
is that intentional? feels to me that oughta work just fine.
00:01 firstdayonthejob left
lucasb m: my \rx = /f(oo)/; say so "foo" ~~ rx; say ~$0 00:04
camelia rakudo-moar 091ee7: OUTPUT«True␤Use of Nil in string context in block <unit> at /tmp/8s4GUxwB3u:1␤␤»
lucasb star: my \rx = /f(oo)/; say so "foo" ~~ rx; say ~$0
camelia star-m 2015.09: OUTPUT«True␤oo␤»
lucasb (just showing...)
masak++ # finding regressions
Begi By the way, I've a little question : 00:05
m: my @list = <a b c d e>; say @list.roll; say @list.roll(1); #Why is it different ?
camelia rakudo-moar 091ee7: OUTPUT«d␤(c)␤»
masak well, with this one I kinda half-expect jnthn to pop up (tomorrow) and say "that's a feature!" or "masak, you submitted an RT thing that said it should be like that!" :P
Begi Why and what's the difference ? 00:06
masak Begi: because the default gives you just one item, but supplying an explicit 1 gives you a list (of 1 thing).
Begi: basically, the rule is, if you supply a number (including 1), you get a list.
Begi: this is deemed consistent when people write something like .roll($n) and then do list indexing
Begi Oh ok, I understand 00:07
vendethiel ..even if , in Perl6's case, it wouldn't change much ;-)
Begi Thanks
masak vendethiel: ...right
vendethiel .roll(1) could return a single elem and you would barely notice...
masak vendethiel: there is one place where you do notice 00:08
vendethiel: numerical comparison :(
vendethiel well, several. Also ~~ Positional etc
masak which people did a lot with the results of .roll
masak submits rakudobug on the `~~ $R` thing
lucasb vendethiel: I saw you used the "String" type in your post... in 'class Article { has String $.title; ... }' 00:09
vendethiel well, I did ask people to review it... :) thanks
once again something I'd fixed locally in my test script, but forgot to update later in the article
masak 'night (again), #perl6 00:11
awwaiid gnight again masak! 00:15
00:15 vike left
lucasb ok, then let's go back to .head and .tail... if .pick and .roll can make this distinction about empty vs not-empty argument lists, then can .head and .tail make the same distinction? .head() gets 1 element, .head(1) get a 1-elem list 00:16
this would be "consitent" (for some definition of) with .pick and .roll :D 00:17
pochi it has my vote 00:20
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lucs m: say "meep?" 00:37
camelia rakudo-moar 091ee7: OUTPUT«meep?␤»
00:45 _nadim left
awwaiid m: say 42 00:45
camelia rakudo-moar 091ee7: OUTPUT«42␤»
AlexDaniel m: say ∞-∞-∞-∞-∞-∞ 00:51
camelia rakudo-moar 091ee7: OUTPUT«NaN␤»
00:51 vendethiel left
AlexDaniel I wish there were no white thngies around camelia here: perl6advent.files.wordpress.com/20...&h=490 00:52
but otherwise this image is just awesome
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grondilu it'd be nice if someone could make an animated gif of that, with Camelia flying from the bottom left to the top-right 01:03
psch hah 01:04
that graph is terribly cute
also, hi #perl6
.tell Ven i held of on mentioning it, but checking again shows it's still there: there's a dubious #-sigil for the private attribute 'name' in your advent post 01:05
yoleaux psch: I'll pass your message to Ven.
01:06 vike joined
psch fwiw, the latest blog post touches on my absence (which i'm not sure is over yet) 01:07
as in, as was the case before, i did become too wrapped up in rakudo and the "having fun while figuring all this out" turned into frustration 01:08
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psch i am grateful this community recognizes the necessity of keeping it optimized for fun, which also means "you're free to step back whenever", even if that might come with (at that moment) badly received recommendations to do so 01:09
(the recommendation-case is a throwback to the previous time this happened to me :P )
...i do recognize the irony in me feeling a need to mention i am taking a break >_> 01:11
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lucs How is this even possible?: in a regex I find that ｢<?{ ($0 ~~ /'-'/) }>｣ is True, but ｢<?{ ($0 ~~ /'-'/) && ($0 ~~ /./) }>｣ gives ｢Use of Nil in string context｣ 01:19
TimToady you're probably clobbering $/ somehow there 01:21
the first ~~ sets $/ to Nil if it doesn't match, and the second one uses the Nil to look up $0 01:22
but that assumes the first one didn't match 01:23
lucs Hmm... Yet, it turns out that the first one does actually match.
TimToady maybe something about the micro-scoping of ~~ as a topicalizer? 01:24
lucs I'll try to golf it down. 01:25
lichtkind sorry for that question but it seems something is gone, i remember there was a mechanism whichby roles could demand presence of some attr or method 01:26
dalek c: 90a9437 | (Zoffix Znet)++ | htmlify.p6:
Replace unspace

Seems there's an issue with some of unspace-less constructs still. Should fix breakage mentioned here: github.com/perl6/doc/pull/251#issu...-166050291		 01:33
psch m: role R { method f { ... } }; class C does R { }; 01:41
camelia rakudo-moar 091ee7: OUTPUT«5===SORRY!5=== Error while compiling /tmp/O2Z0PyiGuS␤Method 'f' must be implemented by C because it is required by a role␤at /tmp/O2Z0PyiGuS:1␤»
psch lichtkind: that ^^^ is the method case
lichtkind: i'm not sure about the attribute case, i *think* the role mixes it in if it has it, so the class doesn't need to care
lichtkind: which, in turn, means that a class C that does a role R with an Attribute $!attr can't have its own Attribute $!attr 01:42
lichtkind ah yes because interface
thanks
psch m: role R { has $!attr }; class C does R { has $!attr };
camelia rakudo-moar 091ee7: OUTPUT«5===SORRY!5=== Error while compiling /tmp/DDKOT9YPFa␤Attribute '$!attr' already exists in the class 'C', but a role also wishes to compose it␤at /tmp/DDKOT9YPFa:1␤»
psch i like (and, on a different level, dislike) how that error mentions composition 01:43
lichtkind m: role R { has $.f; }; class C does R { };
camelia ( no output )
lichtkind m: role R { has $f; }; class C does R { };
camelia ( no output )
lichtkind m: role R { has $!f; }; class C does R { }; 01:44
camelia ( no output )
psch i guess the fact that neither of those hunches is strong enough to result it useful criticism means the balance has been hit well
m: role R { has $.f; }; class C does R { }; my C $a .= new; $a.f = "foo"; say $a.f
camelia rakudo-moar 091ee7: OUTPUT«Cannot modify an immutable Any␤ in block <unit> at /tmp/7ulmHDn3Ky:1␤␤»
01:44 vike left
psch right, not rw 01:44
m: role R { has $.f; }; class C does R { }; my C $a .= new(:f("foo")); say $a.f 01:45
camelia rakudo-moar 091ee7: OUTPUT«foo␤»
psch hm, is spectest a bit faulty at the moment or could adding an argless candidate for .head and .tail actually result in about 20 failures and about 6 TODO passed? 01:47
i guess i'll rerun them without the changes...
lichtkind thanks but i wanted to that R requests an attribute 01:48
psch lichtkind: i don't know how that makes sense, considering R can *provide* that attribute
lichtkind: it's kind of like building a window that demands that you install a window-handle seperately 01:49
lichtkind sure but it can use one from class
psch (sorry for that dumb analogy...)
lichtkind: what's the use-case?
lichtkind i see one but its nothing i ever used and im too sleepy not to sit 01:51
good night
psch g'night lichtkind
lichtkind :) 01:53
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TimToady skids: I'm trying to understand why SlurpySentry is so fancy? Couldn't .from-slurpy just translate directly? 02:01
lucs m: say so("a" ~~ / (.) <?{ $0 ~~ /'a'/ && say("\$0 is now ", $0.WHAT) }> /) 02:03
camelia rakudo-moar 091ee7: OUTPUT«$0 is now Nil␤True␤»
skids TimToady: let me review that patch, there was a reason at the time, maybe not now. 02:04
lucs TimToady: So would that ^^ be a bug or a don't-do-that? 02:05
psch wonders where that funny c is on the keyboard... 02:06
lucs (FWIW, I won't do it anymore, but, just saying :-) )
psch m: say so("a" ~~ / (.) <?{ $0 ~~ /'a'/ && say("\$/ is now ", $0.WHAT) }> /)
camelia rakudo-moar 091ee7: OUTPUT«$/ is now Nil␤True␤»
psch huh
that seems wrong to me, at least
well, no
accessing $/ there is a "works sometimes" workaround for accessing the CURSOR special name 02:07
m: say so("a" ~~ / (.) <?{ $0 ~~ /'a'/ && say("\$¢ is now ", $0.WHAT) }> /)
camelia rakudo-moar 091ee7: OUTPUT«$¢ is now Nil␤True␤»
psch m: say so("a" ~~ / (.) <?{ $0 ~~ /'a'/ && say("\$¢ is now ", $¢.WHAT) }> /)
camelia rakudo-moar 091ee7: OUTPUT«$¢ is now Nil␤True␤»
lucs My current workaround is just to assignt the $0 to a var and work with that var instead.
psch m: say so("a" ~~ / (.) <?{ $0 ~~ /'a'/ && say("\$/ is now ", $/.WHAT) }> /) 02:08
camelia rakudo-moar 091ee7: OUTPUT«$/ is now (Match)␤True␤»
psch ah, there we go
skids TimToady: it was to handle the case where someone did fail(Parcel.new()) or something like that and expected the payload not to be a concatinated string of the Parcel, but the original Parcel.
psch i mucked up :)
m: say so("a" ~~ / (.) <?{ $0 ~~ /'a'/ && say("\$/[0] is now ", $/[0].WHAT) }> /)
camelia rakudo-moar 091ee7: OUTPUT«$/[0] is now Nil␤True␤»
psch lucs: the hunch is that the switch from Perl6::Grammar to NQP::P6Regex messes something up with accessing the different interpretations of $/
as in, the code block inside the regex doesn't build the same lookup for $0 as it would outside of a regex 02:09
lucs psch: Hey, I'm just sitting here in luserland, I'll be happy to let you guys figure it out :)
psch that might easily be wrong though, but the fact that $/ is Match seems to hint at it...
lucs: fair enough. my regex slang fu is probably not good enough to get anything out of that. did you RT it yet, and if not, can you? 02:10
'cause even if $/ isn't supposed to work there (which ISTR it isn't), at least $¢ should 02:11
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lucs I guess I could. Is my initial example sufficient? 02:11
psch lucs: i think my evals should go in there as well, as should the commentary up to your questions just now
all of this is complicated by re-matching inside a regex of course 02:12
which might be similar to the issue of $/ as parameter to an actions method 02:13
lucs psch++ Thanks for agreeing to report it
02:14 kid51 left
dalek osystem: 6f997e2 | thundergnat++ | META.list:
Add Lingua::EN::Numbers::Cardinal to ecosystem

See: github.com/thundergnat/Lingua-EN-N...s-Cardinal		 02:14
psch hmm 02:15
m: say so("a" ~~ / (.) <{ $0 ~~ /'a'/ && say("\$0 is now ", $0.WHAT) }> /) 02:16
camelia rakudo-moar 091ee7: OUTPUT«$0 is now Nil␤False␤»
psch m: say so("a" ~~ / (.) { $0 ~~ /'a'/ && say("\$0 is now ", $0.WHAT) } /)
camelia rakudo-moar 091ee7: OUTPUT«$0 is now Nil␤True␤»
psch m: say so("a" ~~ / (.) { $0 ~~ /'a'/ && say("\$/ is now ", $/.WHAT) } /)
camelia rakudo-moar 091ee7: OUTPUT«$/ is now (Match)␤True␤»
uruwi Why is assigning to .substr-rw slow for some reason? 02:17
m: my $b = "abacadabra"; $b.substr-rw(1, 4) = "lulz"; say now - INIT now; 02:18
camelia rakudo-moar 091ee7: OUTPUT«0.0029565␤»
geekosaur it returns a Proxy
which means it can't take the fast path but has to run the Proxy's STORE method, IIRC
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uruwi m: my $b = "abacadabra"; $b = $b.substr(0, 1) ~ "lulz" ~ $b.substr(5); say now - INIT now; 02:18
camelia rakudo-moar 091ee7: OUTPUT«0.002799␤»
skids ISTR .substr-rw was a bit of a "first make it work" solution to the problem using proxies, last time I looked. 02:19
uruwi m: my $b = "abacadabra"; for ^10000 {$b.substr-rw(1, 4) = "lulz"}; say now - INIT now;
camelia rakudo-moar 091ee7: OUTPUT«0.1587779␤»
uruwi m: my $b = "abacadabra"; for ^10000 {$b = $b.substr(0, 1) ~ "lulz" ~ $b.substr(5)}; say now - INIT now;
camelia rakudo-moar 091ee7: OUTPUT«0.0983858␤»
geekosaur my recollection was that it was to get the slow Proxy out of the more common cases of substr(), since even building a Proxy that wasn't used was expensive? 02:20
uruwi m: my $b = "abacadabra"; $b = $b.substr(0, 1) ~ "lulz" ~ $b.substr(5); say $b;
camelia rakudo-moar 091ee7: OUTPUT«alulzdabra␤»
uruwi How much memory does a Proxy even consume...
I can't even build a set of 1800 strings with .substr-rw without exhausting most of my memory 02:21
geekosaur rakudobug that, it seems wrong. I would expect the Proxy to go away fairly quickly but this makes me think it's held forever... (if in fact that's the problem) 02:23
(basically it should only exist for as long as you could assign to it, so as soon as you leave the "$foo.substr-rw(...) = " it should go out of scope and be collected)
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geekosaur but I'm wondering if it is somehow attached to the target string and sticks around forever, probably holding other stuff in scope that should have been collected 02:26
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psch rt.perl.org/Ticket/Display.html?id=126971 02:28
lucs: ^^^ feels free to expand, if you noticed something i missed
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lucs psch: That pretty much describes it (but near the end, does $¢ mean $0?) 02:35
psch re substr-rw: geekosaur's hunch seems pretty on the spot, from a glance. the STORE part of the Proxy returned by substr-rw references a variable from the original substr-rw call, which might be kept around
lucs: no, $ ~ "\c[funny c]" is the shorthand for the current and unfinished cursor 02:36
lucs Ah, I see.
"funny c" :) (funny money?)
psch never got used to cents
in my mind it's mostly still pfennige :)
geekosaur it makes no cents...
TimToady if you have a compose key, it's probably just compose-c-/
psch TimToady: unfortunately i don't, currently 02:37
lucs We got rid of pennies not long ago in Canada (they round cash transactions to the closest nickel).
Hotkeys ^^^ best thing since sliced bread 02:39
psch TimToady: in any case, what's your call on having arg-less .head and .tail calls return an item instead of a Seq? 02:41
spectest seems equivalent between with and without that 02:42
(which probably means lack of tests...)
TimToady I think I'm okay with argless doing that 02:43
after all, I was the one who decided to do pick/roll that way, iirc
psch alright, i'll cargo cult from there for the exact impl, thanks 02:44
Juerd What do 'wanted' and 'unwanted' mean?
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TimToady something wants the value, so it's not in sink context 02:46
m: 42
camelia rakudo-moar 091ee7: OUTPUT«WARNINGS for /tmp/DvcjEXHsOl:␤Useless use of constant integer 42 in sink context (line 1)␤»
TimToady m: $x = 42
camelia rakudo-moar 091ee7: OUTPUT«5===SORRY!5=== Error while compiling /tmp/cgQbhY0LFi␤Variable '$x' is not declared␤at /tmp/cgQbhY0LFi:1␤------> 3<BOL>7⏏5$x = 42␤»
TimToady m: my $x = 42
camelia ( no output )
TimToady here the assignment wants the 42, so it doesn't complain
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Juerd TimToady: Thanks 02:48
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grondilu m: say "Az I orvat fybj be fbzrguvat?".trans: "a".."z" Z=> ["a".."z"].rotate(13); say now - INIT now 02:56
camelia rakudo-moar 091ee7: OUTPUT«Am I being slow or something?␤0.259135␤»
psch m: say "Az I orvat fybj be fbzrguvat?".trans: "a".."z" => ["a".."z"].rotate(13); say now - INIT now 02:57
camelia rakudo-moar 091ee7: OUTPUT«Am I being slow or something?␤0.19404659␤»
psch those .06 seconds are 26 Pairs instead of one Pair
Juerd Apart from the slowness, I really like how this implementation of rot13 actually has "rotate(13)" literally in its source, and that it didn't need to define "rotate" first.
Ben_Goldberg m: my $start = now; say "Az I orvat fybj be fbzrguvat?".trans: "a".."z" => ["a".."z"].rotate(13); say now $start;
camelia rakudo-moar 091ee7: OUTPUT«5===SORRY!5=== Error while compiling /tmp/Lz2D1TxXWX␤Two terms in a row␤at /tmp/Lz2D1TxXWX:1␤------> 3".."z" => ["a".."z"].rotate(13); say now7⏏5 $start;␤ expecting any of:␤ infix␤ infix stopper␤ postfix␤ …»
psch but yes, .trans, in general, is slow
Ben_Goldberg m: my $start = now; say "Az I orvat fybj be fbzrguvat?".trans: "a".."z" => ["a".."z"].rotate(13); say now - $start;
camelia rakudo-moar 091ee7: OUTPUT«Am I being slow or something?␤0.1899672␤»
Ben_Goldberg In perl5, the =~ tr/// operator is very fast. 02:58
geekosaur it's also simpler and stupider 03:00
psch m: $_ = "bookkeeper"; tr:s/a..z/a..z/; .say 03:01
camelia rakudo-moar 091ee7: OUTPUT«[DISLOCATED MESSAGE] Useless use of "StrDistance" in sink context␤[DISLOCATED MESSAGE] Useless use of StrDistance symbol in sink context␤bokeper␤»
psch hm
those sink warnings are LTA
although i recognize they might be hard to distinguish from legit sink warnings 03:02
m: $_ = "foo"; s/o/u/; .say
camelia rakudo-moar 091ee7: OUTPUT«fuo␤»
psch ah, maybe not
geekosaur looks like those came from the doubled letters that vanished in the output, maybe?
psch i guess tr/// should get the s/// treatment there
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psch geekosaur: no, they came from the tr/// statement in sink contest 03:02
geekosaur: although that doesn't explain *two* of them... 03:03
s/statement/expression as a statement/
geekosaur yes, it was the "two of them" that made me think something trickier was going on
psch anyway, case in point was: "give me squash behavior in perl5 tr/// and something something archimedes"
geekosaur oh, squash, right 03:04
psch yeah, adverb shorthands are a bit unfortunate for tr///
but i personally hope tr/// can get deprecated eventually
as in, maybe around 6.3 or something
'cause it's histerical raisins - the operator 03:05
Juerd m: my %tr = "a".."z" Z=> ["a".."z"].rotate(13); say "Am I being slow or something?".comb.map({ %tr{$_} // $_ }).join; say now - INIT now
camelia rakudo-moar 091ee7: OUTPUT«Az I orvat fybj be fbzrguvat?␤0.0086742␤»
Juerd Roll your own :)
psch hrm 03:06
Juerd++ for that pointer
i mean, on the one obviously simple things in CORE are more optimized 03:07
but on the other hand, using simple things to emulate complicated behavior shouldn't be faster than using a CORE function to achieve the same behavior
mostly from a code-as-documentation perspective
...maybe that's wrong
as in, the obvious solution that relies on obvious features (instead of the CORE solution that relies on obscure features) should always be faster 03:08
...i'm not sure i'm fit for thinking (or talking) about this kind of thing :P
Juerd Any opinion is useful in some way. 03:10
s/Any/Every/
I wish there was a "foo".Regex, or some other easy way to turn a string into a regex 03:14
psch m: my $str = "foo"; my $rx = rx/<$str>/; say "foo" ~~ $rx 03:15
camelia rakudo-moar 091ee7: OUTPUT«True␤»
Juerd Simply interpolating a string as a regex is annoying because in the stringification of the regex the actual regex is gone.
m: my $str = "foo"; my $rx = rx/<$str>/; say $rx;
psch ah
camelia rakudo-moar 091ee7: OUTPUT«rx/<$str>/␤»
Juerd Especially for Test::like it drives me insane 03:16
uruwi m: my $str = "foo"; my $rx = /$str/; say $rx;
camelia rakudo-moar 091ee7: OUTPUT«/$str/␤»
psch m: my $str = "foo"; my $rx = rx/{ "$str" }/; say $rx # my next thought, but...
camelia rakudo-moar 091ee7: OUTPUT«rx/{ "$str" }/␤»
psch the stringification doesn't carry outward from the xFA that's being build
which might have something to do with turing machines and their abilities
not sure, my theoretical foundation is limited
Juerd Maybe I'm crazy and creating regexes from strings isn't as common as I think. 03:17
psch i think the rare part is wanting to see the string in the regex
geekosaur I have done that but not very often, and even when I do it it feels like I'm doing something "backwards"
Juerd I don't know, especially when the regex is generated, being able to see it gets important :) 03:18
When the regex was a literal regex, I don't feel so strongly for being able to see its code because then I already have it right there in my source :)
psch i think it might be possible to get Regex.gist to do that, but i'd have to dig (quite a lot) to figure out (1) if i'm right and (2) how to do it 03:19
Juerd It's just ugly when to debug your generated regexes, you have to hack print-debug statements into the generator function, because the thing that the function returns isn't useful for inspection.
psch i mean, one hang up is with a regex that uses CALLER:: or CALLERS::
'cause those aren't the same from Regex.gist and wherever the Regex is used 03:20
so it's probably a bucket load of hacks to make that work "really well". as for "good enough", i don't know if that's enough 03:21
similarly for .perl as for .gist, 'cause the impl is identical
although the former carries the "has to EVAL to the same" burden, which might add or remove torture on the implementor
Juerd In the specific case I was trying now, it's silly though 03:22
Because I was falling back to a perl5ish .join('|')
ShimmerFairy I have a feeling some of this might be solved with a really nice, gdb-like P6 debugger :) 03:24
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Juerd ShimmerFairy: I've never liked debuggers and repls 03:28
I'm more a print-debugger, and I like oneliners.
uruwi ^ 03:30
psch m: my $a; { my $b = "foo"; $a = rx/<$b>/; }; my $c = EVAL $a.perl; say "foo" ~~ $c
camelia rakudo-moar 091ee7: OUTPUT«5===SORRY!5=== Error while compiling /home/camelia/EVAL_0␤Variable '$b' is not declared␤at /home/camelia/EVAL_0:1␤------> 3rx/<7⏏5$b>/␤»
psch ^^^ hints at the problem
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ShimmerFairy Juerd: I like print debugging as well, but gdb has saved me a lot of grief on occasion, even though the most I use of it is 'bt', 'frame', and 'print [some C++ expr]' :) 03:31
psch and i'm not sure we can solve that sensibly, but that's mostly 'cause i don't know NQP::P6Regex enough to tell if it *could* copy $b
...or if we'd want that
Juerd psch: I'm not sure it should
And if we had a way to turn a string into a regex (please, no EVAL), it wouldn't be needed in most cases 03:32
psch Juerd: but then you can't expect .perl to give you the string instead of the to-be-interpolated variable
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Juerd psch: That's not the Y I asked for to match my X though :) 03:32
psch Juerd: the point of the camelia eval was to show that the .perl of the Regex doesn't know the string, it only knows the variable to interpolate
Juerd Yes, it's a closure. 03:33
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psch i won't dig nor complain if it's solved with "i might have XY'd myself there", in any case :) 03:33
Juerd :) 03:34
m: my @matches = <oo a>; "foo bar baz".comb(/@matches | o/).say 03:35
camelia rakudo-moar 091ee7: OUTPUT«(o o a a)␤»
Juerd I don't understand why it matches o and o instead of oo.
m: my @matches = <oo a>; "foo bar baz".comb(/oo | a | o/).say
camelia rakudo-moar 091ee7: OUTPUT«(oo a a)␤»
Juerd That's what I thought it would do.
psch that might be related to rt.perl.org/Ticket/Display.html?id=126713 03:36
as in, array interpolation doesn't quite match | semantics
...in a regex, that is
Juerd It might but I find the code in that ticket hard to read :) 03:37
03:37 uruwi left
psch vOv 03:38
i try to code well :P
ehh, legible, maybe
Juerd ｢｣ makes the readability much worse, and that's not the code's fault
psch: In bug reports I try to read significance in every character. So given ^(@a)*?$ I wonder why it's anchored, and why there's a ? after the * 03:39
psch the ? after * allows backtracking
03:39 TEttinger left
Juerd Yes, but I'm trying to figure out why that was needed for the bug to trigger 03:39
And if it wasn't, then it's not golfed enough yet :) 03:40
psch m: say "abcd" ~~ /(@a)*/
camelia rakudo-moar 091ee7: OUTPUT«5===SORRY!5=== Error while compiling /tmp/LWDfHEtOOW␤Variable '@a' is not declared␤at /tmp/LWDfHEtOOW:1␤------> 3say "abcd" ~~ /(7⏏5@a)*/␤»
psch grml
m: my @a = < a b bc cd >; say "abcd" ~~ /(@a)*/
camelia rakudo-moar 091ee7: OUTPUT«｢abc｣␤ 0 => ｢a｣␤ 0 => ｢bc｣␤»
psch right, the report could've been more golfed i guess
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Juerd And it might have been clearer if the two attempts were not in a single m: 03:41
psch i'm not confident enough to predict the right behavior i'd say. quoting the synopsis alludes to that
yes, that's definitely true
Juerd 'cause it took me, well, a few minutes, to realise that I should have been looking at that Nil in the output, not the rest.
psch adds that to the ticket 03:42
Juerd Then again, it's almost 5am here and I should probably just go to bed.
But yes, I do think that this RT ticket and what I encountered with .comb are the same thing.
timotimo psch: i didn't read anything around that line in the backlog, but about interpolating strings as regex inside regex: it can't ever be integrated into the NFA, because the NFA only does the declarative prefix of a piece of regex. interpolating a string as a regex is decidedly not declarative
psch timotimo: is that about the ticket i opened for lucs? 03:43
timotimo no clue
i'm about to head for bed and i just saw that one single line
psch ah, no, then it probably isn't, it's more recent and about "make .gist know what the string is and not the variable"
timotimo 041248 psch │ the stringification doesn't carry outward from the xFA that's being build
041258 psch │ which might have something to do with turing machines and their abilities
maybe i misunderstood 03:44
psch nah, it fits my limited understanding
ShimmerFairy m: say /^ a+ bc? $/
camelia rakudo-moar 091ee7: OUTPUT«/^ a+ bc? $/␤»
timotimo ShimmerFairy: did you notice? someone gave your "perl6 on cpan?" blog post a bit of extra publicity! 03:45
ShimmerFairy no, I didn't
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Juerd Ho-ly, crap, bitcard is annoying. 03:46
ShimmerFairy I don't like it much either, for the record (I tried changing my username a while back, but the bug tracker insists on still using my old one in various places :/) 03:47
Juerd And then RT, which wants me to use an email address that is both registered to my bitcard account AND never seen by RT before
Screw this, I'm too annoyed to even consider continuing right now.
I will simply not reply to existing tickets then
ShimmerFairy (as I've said before, rakudo should really be using its own bugtracker) 03:48
timotimo ShimmerFairy: some spam blog snatched it from the rakudo deathstar and reposted it, someone posted it under /r/perl thinking it was new %) 03:49
ShimmerFairy pft :P
03:50 uruwi joined
Juerd ShimmerFairy: It says the username 'juerd' is already taken. But I don't have it, and I don't know any other juerd in the Perl community 03:50
There only are 10 Juerds worldwide, anyway
I've had a bitcard account since 2007, according to my email, but apparently the username 'juerd' belongs to a different account, that is not mine. 03:51
ShimmerFairy Juerd: huh, that's weird. My "own bugtracker" comment is mainly motivated by the weirdness of having P5 and P6 in one bugtracker (Parrot used to be lumped in as well, fwiw), and personally rt just feels... weird sometimes. I'm not sure what it is exactly.
Juerd But the requirement to use an email address that is both registered to bitcard AND never seen by RT before is just arcane.mad. 03:52
s/arcane\.//
timotimo goes to bed
uruwi Sigh, I'll have to write my AoC19 part 2 solution in Python then.
Juerd ShimmerFairy: I love RT but this bitcard link seems out of place 03:53
I'm off to bed as well
03:53 raiph joined
Juerd Good localtime! 03:53
ShimmerFairy Juerd: yeah, I do appreciate RT's "don't have to sign up to report" aspect, that's something I think is perplexingly absent from most bug trackers.
Juerd: I suppose it just... feels different. I think the weirdest part is where I sometimes have to "log out" of being a Public viewer to log in as myself(???), if I was unlucky enough to get auto-signed-out since the last visit 03:54
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psch oh, yes, that's definitely weird 03:59
fwiw, on my end bitcard seems to have a longer session than RT itself, which is even stranger
as in, i can click "log out as anon" and "log in with bitcard" afterwards, without having to reauth with bitcard 04:00
it's not terribly inconvenient, but it *is* weird
04:00 BenGoldberg joined
ShimmerFairy There's also that UTF-8 issue I see on the rt home page, something I never would've allowed, certainly not for so long :P 04:01
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AlexDaniel m: ∞ 04:08
camelia ( no output )
AlexDaniel m: 42
camelia rakudo-moar 091ee7: OUTPUT«WARNINGS for /tmp/oQgrWrXlf5:␤Useless use of constant integer 42 in sink context (line 1)␤»
AlexDaniel m: Inf
camelia ( no output )
AlexDaniel m: NaN 04:09
camelia ( no output )
AlexDaniel m: 25.5
camelia rakudo-moar 091ee7: OUTPUT«WARNINGS for /tmp/j6MuINCuvm:␤Useless use of constant value 25.5 in sink context (line 1)␤»
AlexDaniel m: “test”
camelia rakudo-moar 091ee7: OUTPUT«WARNINGS for /tmp/jM2e31sBqO:␤Useless use of constant string "test" in sink context (line 1)␤»
04:09 grondilu left
AlexDaniel m: Int 04:09
camelia rakudo-moar 091ee7: OUTPUT«WARNINGS for /tmp/zBYT2dTqPT:␤Useless use of constant value Int in sink context (line 1)␤»
AlexDaniel TimToady: what's so special about ∞ and NaN?
m: <a b c> 04:10
camelia rakudo-moar 091ee7: OUTPUT«WARNINGS for /tmp/joilEfwcP0:␤Useless use of constant value a b c in sink context (lines 1, 1, 1, 1, 1, 1)␤»
AlexDaniel what
m: ^100
camelia rakudo-moar 091ee7: OUTPUT«WARNINGS for /tmp/PK5FM8F89F:␤Useless use of "^" in expression "^100" in sink context (line 1)␤»
AlexDaniel m: 1...100
camelia ( no output )
AlexDaniel m: 1..100
camelia rakudo-moar 091ee7: OUTPUT«WARNINGS for /tmp/oU_50TcbSb:␤Useless use of ".." in expression "1..100" in sink context (line 1)␤»
AlexDaniel m: «a b c d e f»
camelia rakudo-moar 091ee7: OUTPUT«WARNINGS for /tmp/PzhFVqK_aN:␤Useless use of constant value a b c d e f in sink context (lines 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1)␤»
04:11 grondilu joined
AlexDaniel m: ⅑ 04:12
camelia rakudo-moar 091ee7: OUTPUT«WARNINGS for /tmp/dQ1L91Lfsy:␤Useless use of constant value ⅑ in sink context (line 1)␤»
psch m: sub term:<foo> { "foo" }; foo 04:14
camelia ( no output )
psch probably similar, but likely not identical 04:15
as in, Inf (and the symbol) get caught on a term level
as per src/Perl6/Grammar.pm:1673: " token term:sym<∞> { <sym> } " 04:16
actually, Inf is different
if it's not parsed by NQP::Grammar somewhere it should fall into numish
m: 5; 04:17
camelia rakudo-moar 091ee7: OUTPUT«WARNINGS for /tmp/WZaKETOE9X:␤Useless use of constant integer 5 in sink context (line 1)␤»
psch ...and those *should* warn there :/
AlexDaniel m: / a / 04:18
camelia rakudo-moar 091ee7: OUTPUT«getlexrelcaller needs a context␤ in block <unit> at /tmp/GscGOrP8Ca:1␤␤»
AlexDaniel getlexrecaller, yeah…
psch +l :) 04:19
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AlexDaniel m: .{} 04:33
camelia ( no output )
AlexDaniel m: .<>; .[] 04:34
camelia ( no output )
AlexDaniel m: .[].<>.{}.«»
camelia ( no output )
AlexDaniel m: :D # noo 04:35
camelia rakudo-moar 091ee7: OUTPUT«WARNINGS for /tmp/CtVVkmXGSB:␤Useless use of ":D" in sink context (line 1)␤»
AlexDaniel m: say :D
camelia rakudo-moar 091ee7: OUTPUT«Unexpected named parameter 'D' passed␤ in block <unit> at /tmp/Bl9bgCVjmI:1␤␤»
AlexDaniel smiley program does not work anymore :( 04:36
uruwi Wow, apparently python3 is 10k times faster than perl6. 04:40
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AlexDaniel uruwi: doing what? 04:41
uruwi Building sets from the results of performing a list of substitutions on a given string
The Perl 6 version struggled with an initial set of 61 strings 04:42
Python 3 can do 30k in only 5 - 6 s
AlexDaniel uruwi: is that on 32-bit or 64-bit system? 04:43
uruwi 64-bit.
04:44 vendethiel joined 04:45 xpen left
AlexDaniel uruwi: that's not very good. Perhaps you can submit your test case to github.com/japhb/perl6-bench ? 04:45
psch uruwi: can you show the codes? 04:46
-s 04:47
05:06 vendethiel left
psch hm 05:08
S17-supply/throttle.t lock without my < .tail and .head > patch occasionally and with it even more 05:09
which means i can't reliably compare spectest results between those two, 'cause with the patch the 3 runs i've tried didn't complete
and because touching the async stuff is way too far outside my comfort zone this means i'm not gonna push the patch 05:10
g'night, #perl6.
awwaiid go camelia 05:16
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awwaiid m: say "hello\nbrave\nworld" 05:23
camelia rakudo-moar 091ee7: OUTPUT«hello␤brave␤world␤»
awwaiid sweet. my irssi plugin that actually puts that on separate lines works
AlexDaniel m: say ‘hi’ for ^1000 05:26
camelia rakudo-moar 091ee7: OUTPUT«hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤hi␤h…»
awwaiid Thanks for the test AlexDaniel! 05:31
worked "great" 05:32
AlexDaniel :)
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dalek c: 3469f52 | (Brock Wilcox)++ | htmlify.p6:
Maybe less space?
 06:03
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TEttinger m: say ‘\n’ for ^10 06:16
camelia rakudo-moar 091ee7: OUTPUT«\n␤\n␤\n␤\n␤\n␤\n␤\n␤\n␤\n␤\n␤»
TEttinger hm?
awwaiid haha
TEttinger m: say "\r\n" for ^10 06:17
camelia rakudo-moar 091ee7: OUTPUT«
TEttinger m: say "␤" for ^10
camelia rakudo-moar 091ee7: OUTPUT«␤␤␤␤␤␤␤␤␤␤␤␤␤␤␤␤␤␤␤␤»
TEttinger did my message show up on two lines, awwaiid?
I'm...␤curious, awwaiid 06:18
awwaiid nope! 10 lines -- my script can't distinguish ␤ from ... er... ␤
TEttinger haha
there's 20 ␤ there
awwaiid er, 20 lines
I miscounted
TEttinger ha ok
cool
this might be fun 06:19
I used to have a loud guitar riff that played whenever someone said my name on IRC. dl.dropboxusercontent.com/u/119146...arsolo.wav
I have since disabled it since it seemed to cause problems with lockup while playing? 06:20
awwaiid looks like it already limits it to a certain number of chars that adds up to maybe 3 screenfuls at most. I think the majority case of general m: commands will work great, and the many-newline-outliers will be tolerable
TEttinger cool
what about the ascii vertical tab char?
m: say "\c[VERTICAL TAB]" 06:21
camelia rakudo-moar 091ee7: OUTPUT«5===SORRY!5=== Error while compiling /tmp/FLh4dIpt42␤Unrecognized character name VERTICAL TAB␤at /tmp/FLh4dIpt42:1␤------> 3say "\c[VERTICAL TAB7⏏5]"␤»
awwaiid that's a pretty long riff if you get mentioned often :)
TEttinger yep
awwaiid TEttinger: gist.github.com/awwaiid/a8ab39f89ba36c8325e7 06:23
TEttinger m: say "\u000b" 06:24
camelia rakudo-moar 091ee7: OUTPUT«5===SORRY!5=== Error while compiling /tmp/gyMhdh5W6R␤Unrecognized backslash sequence: '\u'␤at /tmp/gyMhdh5W6R:1␤------> 3say "\7⏏5u000b"␤ expecting any of:␤ argument list␤ double quotes␤ term␤»
TEttinger m: say "\000b"
camelia rakudo-moar 091ee7: OUTPUT«␀00b␤»
awwaiid what is ␀
TEttinger backslash 0
I am not sure how to escape character 11 in unicode 06:25
u: 11 06:27
AlexDaniel .u 11 06:28
yoleaux U+FE0A VARIATION SELECTOR-11 [Mn] (◌︊)
U+1D1A5 MUSICAL SYMBOL ORNAMENT STROKE-11 [So] (𝆥)
U+1D20A GREEK VOCAL NOTATION SYMBOL-11 [So] (𝈊)
TEttinger m: say "\c[LINE TABULATION]" 06:29
camelia rakudo-moar 091ee7: OUTPUT«␤»
TEttinger m: say "\c[LINE TABULATION]" for ^10
camelia rakudo-moar 091ee7: OUTPUT«␤␤␤␤␤␤␤␤␤␤»
TEttinger that displays as 10 lines for me, and gets cut off actually
06:30 adhoc left 06:31 juiko joined 06:40 pierre-vigier joined
uruwi m: say 1 «Z« (2, 3, 5, 7) 06:44
camelia rakudo-moar 091ee7: OUTPUT«5===SORRY!5=== Error while compiling /tmp/ktzlM7fQtV␤Missing infix inside hyper␤at /tmp/ktzlM7fQtV:1␤------> 3say 1 «Z«7⏏5 (2, 3, 5, 7)␤ expecting any of:␤ infix␤ infix stopper␤»
uruwi m: say 1 «Z+« (2, 3, 5, 7)
camelia rakudo-moar 091ee7: OUTPUT«((3) (4) (6) (8))␤»
uruwi m: say 1 «Z,« (2, 3, 5, 7)
camelia rakudo-moar 091ee7: OUTPUT«(((1 2)) ((1 3)) ((1 5)) ((1 7)))␤»
uruwi m: say (1 «Z,« (2, 3, 5, 7)).map(*[0]) 06:45
camelia rakudo-moar 091ee7: OUTPUT«((1 2) (1 3) (1 5) (1 7))␤»
uruwi m: say [X*] (1 «Z,« (2, 3, 5, 7)).map(*[0])
camelia rakudo-moar 091ee7: OUTPUT«(1 7 5 35 3 21 15 105 2 14 10 70 6 42 30 210)␤»
uruwi m: say [X*] (1 «Z,« (2, 2)).map(*[0]) 06:46
camelia rakudo-moar 091ee7: OUTPUT«(1 2 2 4)␤»
uruwi m: say Set.new(|([X*] (1 «Z,« (2, 2)).map(*[0])))
camelia rakudo-moar 091ee7: OUTPUT«set(4, 1, 2)␤»
uruwi m: say Set.new(|([X*] (1 «Z,« (2, 2)).map(*[0]))).list
camelia rakudo-moar 091ee7: OUTPUT«(4 => True 1 => True 2 => True)␤»
uruwi m: say Set.new(|([X*] (1 «Z,« (2, 2)).map(*[0]))).keys
camelia rakudo-moar 091ee7: OUTPUT«(4 1 2)␤»
uruwi m: ([X*] (1 «Z,« (2, 2)).map(*[0])).unique 06:50
camelia ( no output )
uruwi m: say ([X*] (1 «Z,« (2, 2)).map(*[0])).unique
camelia rakudo-moar 091ee7: OUTPUT«(1 2 4)␤»
uruwi m: my @pfactors = (2, 2, 3); say ([X*] (1 «Z,« @pfactors).map(*[0])).unique
camelia rakudo-moar 091ee7: OUTPUT«(1 3 2 6 4 12)␤»
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dalek kudo/nom: 625d1c5 | TimToady++ | / (8 files):
discourage casual use of EVAL

It is now by default illegal in a normal program to use the EVAL function. This may be overridden in any of several ways:
   use MONKEY-SEE-NO-EVAL;
   use MONKEY; # shortcut that turns on all MONKEY pragmas
   use Test;
   setenv RAKUDO_MONKEY_BUSINESS=1
The MONKEY pragmas always take precedence, so regardless of use of Test or environment variables, a lexical scope may turn the capability on and off. So something like an IRC bot or REPL may default to allowing EVAL, but it's still controllable either way within the actual code.
Several other MONKEY names have been reserved for similar safety, in addition to the original MONKEY-TYPING. 'use MONKEY-GUTS' is now a synonym for 'use nqp.' We might restrict things like .^set_value with 'use MONKEY-BRAINS'.
Regular expressions record their monkey state at compile time and use that info to decide whether to allow interpolations later at run time.		 08:09
ast: cb1a066 | TimToady++ | S (5 files):
test under new EVAL and interpolation rules
Woodi geekosaur: looks Proxy substr is expecting is OO pattern Proxy :) current Perl6 Proxy is just Perl5 'tie' or C 'volatile'...
08:11 darutoko joined
Woodi TimToady: you put all that ideas there ! ;) 08:11
TimToady I've been working on it all day; you wouldn't believe how many wrong ways there are to do it... :) 08:12
but I'm pretty happy with the result 08:13
Woodi :)
TimToady we'll have to decide how strict we want camelia and the repl to be 08:14
but I figure that's up to the community
Woodi TimToady: but what functional/Lisp programmers say now ? :) 08:15
TimToady: .^set_value remembers me BattlEye from "Arma" games and SELinux - you can have some-thing that have a list of allowed calls. but that's probably 6.x :) 08:19
08:20 sammers joined
AlexDaniel I don't really like the fact that you can't ask camelia to “run” stuff. But allowing that in a safe way is probably a bit more complicated than just turning it on :) 08:22
TimToady m: say EVAL 42 08:34
camelia rakudo-moar 625d1c: OUTPUT«5===SORRY!5=== Error while compiling /tmp/FjCoV5LpqQ␤EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,␤but only if you're VERY sure your data contains no injection attacks)␤at /tmp/FjCoV5LpqQ:1␤------> 3say EVAL 427⏏…»
TimToady m: use MONKEY; say EVAL 42
camelia rakudo-moar 625d1c: OUTPUT«42␤»
08:37 pierre-vigier left 08:38 adhoc joined
uruwi But now how am I going to serialize/deserialize functions? 08:44
Woodi uruwi: my $fptr; { MONKEY-ENABLE; $fptr = EVAL ... }; ? 08:56
Woodi things that data should be send for disributed computing... 08:57
uruwi m: my $fptr = &f; {MONKEY-ENABLE; $fptr = EVAL("{$_ + 1}");} say $fptr(3); 09:02
camelia rakudo-moar 625d1c: OUTPUT«5===SORRY!5=== Error while compiling /tmp/pxYfCrC6mc␤EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,␤but only if you're VERY sure your data contains no injection attacks)␤at /tmp/pxYfCrC6mc:1␤------> 3{MONKEY-ENABLE; …»
uruwi m: my $fptr = &f; { use MONKEY-ENABLE; $fptr = EVAL("{$_ + 1}");} say $fptr(3);
camelia rakudo-moar 625d1c: OUTPUT«===SORRY!===␤Could not find MONKEY-ENABLE in:␤ /home/camelia/.perl6/2015.11-691-g625d1c5␤ /home/camelia/rakudo-m-inst-1/share/perl6/site␤ /home/camelia/rakudo-m-inst-1/share/perl6/vendor␤ /home/camelia/rakudo-m-inst-1/share/perl6␤ …»
uruwi m: my $fptr = &f; { use MONKEY-SEE-NO-EVAL; $fptr = EVAL("{$_ + 1}");} say $fptr(3);
camelia rakudo-moar 625d1c: OUTPUT«5===SORRY!5=== Error while compiling /tmp/JJUWWxYp7b␤Strange text after block (missing semicolon or comma?)␤at /tmp/JJUWWxYp7b:1␤------> 3-SEE-NO-EVAL; $fptr = EVAL("{$_ + 1}");}7⏏5 say $fptr(3);␤ expecting any of:␤ infix␤ …»
uruwi m: my $fptr = &f; { use MONKEY; $fptr = EVAL("{$_ + 1}");} say $fptr(3);
camelia rakudo-moar 625d1c: OUTPUT«5===SORRY!5=== Error while compiling /tmp/j0LrcC7gGc␤Strange text after block (missing semicolon or comma?)␤at /tmp/j0LrcC7gGc:1␤------> 3{ use MONKEY; $fptr = EVAL("{$_ + 1}");}7⏏5 say $fptr(3);␤ expecting any of:␤ infix␤ …»
uruwi m: my $fptr = &f; { use MONKEY-SEE-NO-EVAL; $fptr = EVAL("{$_ + 1}");}; say $fptr(3); 09:03
camelia rakudo-moar 625d1c: OUTPUT«5===SORRY!5=== Error while compiling /tmp/ql1QnTsuvZ␤Undeclared routine:␤ f used at line 1␤␤»
09:03 AlexDaniel left
uruwi m: my $fptr; { use MONKEY-SEE-NO-EVAL; $fptr = EVAL("{$_ + 1}");}; say $fptr(3); 09:03
camelia rakudo-moar 625d1c: OUTPUT«Use of uninitialized value of type Any in numeric context in block at /tmp/7UYXJf08uO:1␤Cannot find method 'CALL-ME'␤ in block <unit> at /tmp/7UYXJf08uO:1␤␤»
uruwi m: my $fptr; { use MONKEY-SEE-NO-EVAL; $fptr = EVAL("{$_}");}; say $fptr(3);
camelia rakudo-moar 625d1c: OUTPUT«Use of uninitialized value $_ of type Any in string context␤Any of .^name, .perl, .gist, or .say can stringify undefined things, if needed. in block at /tmp/nQ1z3EKLf8:1␤Cannot find method 'Any'␤ in block <unit> at /tmp/nQ1z3EKLf8:1␤␤»
TimToady {} interpolates in ""
uruwi m: my $fptr; { use MONKEY-SEE-NO-EVAL; $fptr = EVAL('{$_ + 1}');}; say $fptr(3);
camelia rakudo-moar 625d1c: OUTPUT«Use of uninitialized value of type Any in numeric context in block at EVAL_0:1␤Cannot find method 'CALL-ME'␤ in block <unit> at /tmp/yPQNvSYKAB:1␤␤» 09:04
uruwi m: my $fptr; { use MONKEY-SEE-NO-EVAL; $fptr = EVAL('{$^a + 1}');}; say $fptr(3);
camelia rakudo-moar 625d1c: OUTPUT«Too few positionals passed; expected 1 argument but got 0␤ in block <unit> at EVAL_0:1␤ in block <unit> at /tmp/ynSGlQ425f:1␤␤»
uruwi m: my $fptr; { use MONKEY-SEE-NO-EVAL; $fptr = EVAL('-> $a {$a + 1}');}; say $fptr(3);
camelia rakudo-moar 625d1c: OUTPUT«4␤»
uruwi In reality, I'd probably dynamically load classes for this. 09:05
[Tux] Failed running /pro/3gl/CPAN/rakudobrew/moar-nom/install/bin/perl6 bootstrap.pl at /pro/3gl/CPAN/rakudobrew/bin/rakudobrew line 57. 09:11
main::run("/pro/3gl/CPAN/rakudobrew/moar-nom/install/bin/perl6 bootstrap.pl") called at /pro/3gl/CPAN/rakudobrew/bin/rakudobrew line 502
main::build_panda(undef) called at /pro/3gl/CPAN/rakudobrew/bin/rakudobrew line 120
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ShimmerFairy Why are slangs being a pain for me? I just tried writing a pretty simple one, and I get "Cannot find method 'package_at_key': no method cache and no .^find_method" :( 09:21
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ShimmerFairy oh, that's what it was. I needed to include NQPHLL to use the QAST::Op (I think?). ~That's so obvious~ 09:23
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labster TimToady: I think you broke panda 09:33
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labster ==> Bootstrapping Panda 09:34
EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,
but only if you're VERY sure your data contains no injection attacks) at gen/moar/m-CORE.setting:19605
right. Might as well write the PR myself. 09:38
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labster and sent. 09:45
uruwi I've decided to use a web frontend for said game.
That way I can customize key input to a greater extent.
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[Tux] added «use MONKEY-SEE-NO-EVAL;» to Panda/Bundler.pm, so I can continue 10:22
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[Tux] Inline::Perl5 suffers the same 10:23
run_alt is still gone \o/ 10:25
EOL fails still here :(
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masak good antenoon, #perl6 10:42
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[Tux] test 50000 40.611 40.498 10:43
test-t 50000 48.987 48.874
csv-parser 50000 215.049 214.936
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_nadim Good Morning all 10:47
Begi ' morning nadim ! 10:49
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Begi m: my @array = <a b c d e>; my $y = @array.roll(2); my @x = @array.roll(2); 10:51
camelia ( no output )
Begi What's the best choice ? $ or @ ?
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nine TimToady: do we really need MONKEY-SEE-NO-EVAL for EVAL :lang<Perl5>? EVAL doesn't always mean that data is interpolated and in the case of Perl 5 or Python code, it's even less common. 10:52
_nadim I have a hash of parameter_name => value that i want to pass to a constructor but I get default constructor only takes named arguments. I thought a %hash.kv would do the trick but not. 10:56
RabidGravy |%hash
_nadim I did try that too. I'll try again
nahh, placed it in the wrong place, work fine :) 10:57
another related question, I have an object that is initialized and I receive a hash of overrides, can I override the attributes directly without having to loop through them? and can I do that temporarily in the call only? 10:59
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_nadim Can only use 'temp' on a container. is it possible to 'temp' an attribute in some way? 11:30
RabidGravy I'm not sure it makes sense conceptually really 11:32
_nadim then let me give an example. the class has a member that is decreased in a method which calls itself recursively, it should be restored when the call ends, at each level 11:33
I did it manually right now and I can make a class that does that when if leaves the scope but that sound like 'temp' 11:34
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RabidGravy you could probably make a trait that does it somehow 11:34
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_nadim probably :) but my manually doing it didn't work either, very surprisingly, Can't modify immutable Int. It's jsut a variable and a normal assignment not := 11:38
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RabidGravy y'see to me it doesn't really sound like an attribute at all but either an argument to the method or a stack of some kind 11:45
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_nadim m: class C { has $.l = 5 ; method dec { return if $.l == 2 ; $.l -= 1 ; say $.l ; $.dec() ; }} ; my $c = C.new.dec() ; 11:48
camelia rakudo-moar 625d1c: OUTPUT«Cannot assign to an immutable value␤ in method dec at /tmp/D4O6YTSsIJ:1␤ in block <unit> at /tmp/D4O6YTSsIJ:1␤␤»
RabidGravy is rw on the attribute 11:50
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RabidGravy anyone in the house with commit on panda 11:52
it's afflicted by "EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override)"
_nadim RabidGravy: I copletely missed that attributes were read-only unless stated otherwise! except for arguments to subs of course
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RabidGravy it's only the public accessor that is readonly BTW, if you refer to it as $!l it is rw 11:53
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RabidGravy oh dear, people are reporting "bugs" against modules when running against 2015.09 12:08
is there a way of mandating a minimum version of Perl 6? 12:09
ShimmerFairy RabidGravy: for modules, there's design.perl6.org/S22.html#perl 12:10
vendethiel not yet
ShimmerFairy btw, for personal preference I'd like that field to be called "perl6" rather than "perl" --- it feels weird to refer to a version of Perl 6 in an unqualified manner like that :) 12:12
RabidGravy ShimmerFairy, yeah but I don't think anything actually checks that currently (as although it is marked as required in S22 things without it install fine)
vendethiel ShimmerFairy: well, because perl and perl6 cohabit? 12:13
ShimmerFairy RabidGravy: I feel like the default for that should be "latest possible" (i.e. it's your fault for not caring about specifying the right version)
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jnthn ShimmerFairy: -1; since language versions will be 6.c, 6.d, etc. then it'd just be duplication 12:13
yoleaux 19 Dec 2015 22:53Z <lizmat> jnthn: commit c040a076e64c3420f322 is causing the slowdown
ShimmerFairy vendethiel: they're separate languages though, and especially considering P5 projects won't use META6.json files :)
jnthn ShimmerFairy: Then it's even less ambiguous :P 12:14
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ShimmerFairy jnthn: Well, it could be a synonym, not necessarily a change. I just don't like using plain "Perl" in referring to p6, so I'd like to be able to choose to type "perl6" : ... over "perl" : ... if I want 12:15
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jnthn RabidGravy: I merged the panda PR by the way 12:16
RabidGravy jnthn++ # nice one 12:17
jnthn .tell lizmat Hm, it's probably the NQP version bump, then, rather than the patch itself... 12:19
yoleaux jnthn: I'll pass your message to lizmat.
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jnthn .tell lizmat Thanks for hunting it down to that one. 12:19
yoleaux jnthn: I'll pass your message to lizmat.
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nige1 Alex - removed furry white border from Camelia in lasted advent post 12:20
latest
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RabidGravy getting some "useless use" warnings from panda if someone is in the code at some point 12:32
my fork appears to be b0rked at the moment 12:33
grondilu Camelia following with the flow: imgur.com/F8viJ9z 12:35
RabidGravy :) 12:41
nige1 haha - grondilu - that's cool 12:43
- should we put that in?
ok - updated 12:47
dalek line-Perl5: ccbb048 | (Stefan Seifert)++ | lib/Inline/Perl5.pm6:
Turn on new pragma to be able to use EVAL
 12:48
nine .tell TimToady Do we really need MONKEY-SEE-NO-EVAL for EVAL :lang<Perl5>? EVAL doesn't always mean that data is interpolated and in the case of Perl 5 or Python code, it's probably even less common.
yoleaux nine: I'll pass your message to TimToady.
nine .tell TimToady I still get a "Useless use of $p5 in sink context" for "class Bar does Inline::Perl5::Perl5Parent['Foo', $p5] { }" 12:49
yoleaux nine: I'll pass your message to TimToady.
jdv79 gist.github.com/anonymous/f293827d745cebcfa3b1
2 things - we really need to fix version. also, why does that take so long to load up?
nine jdv79: does it take so long on the second start, too? 12:50
jdv79 yes.
i think i'm at y'day sometime in terms of rakudo and panda
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nine .tell TimToady my $a = "foo"; $a .= say if True; # Useless use of $a in sink context (line 1) 12:55
yoleaux nine: I'll pass your message to TimToady.
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timotimo o/ 13:02
i find it irritating that the message for EVAL has "!!!" in it
_nadim in: class C { has $.a; has many more ; method set_attrs(%new_values) } how do I set the attributes from the 13:03
%new_values without handling them individualy?
EG: override the class attributes, preferably emporarilly 13:04
nine jdv79: I cannot even install JSON::Infer: Cannot unbox a type object in Panda::Installer::install 13:06
timotimo _nadim: you can map over the hashes keys, then call self."$key"() = $value for each key 13:08
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[Tux] did here-docs changed recently regarding NL sequences? 13:15
my $foo = qq :to "XX"; 13:16
a,b\r
XX
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[Tux] sorry, no that still passes. next is slurp 13:17
jdv79 nin: second time worked for me
timotimo github.com/rakudo/rakudo/commit/68...4ecb1aa5d2 - this commit message explains what's with the new newline handling
jnthn [Tux]: Not sure that heredocs did, but yes, we now do line ending translation at I/O boundaries for files and processes, instead of having that logical \n thing try (and not quite succeed) at dealing with newline issues 13:18
What we do now should be much closer to what Perl 5 does, fwiw.
jdv79 oh yeah, nine, install of json infer breaks btw:)
nine jdv79: it worked on the second attempt
jdv79: I do have an experimental patch that brings down time perl6 -e 'use JSON::Infer;' from 1.9 seconds to 0.6 seconds on my machine 13:19
[Tux] how do I call slurp *preventing* changing \r\n to \n ?
timotimo wow. how's that?
[Tux] doc.perl6.org/routine/slurp doesn't tell me 13:20
jnthn [Tux]: By slurping with :bin, and then doing .decode on the buffer
nine timotimo: by using the .deps file that accompanies every precomp file. It contains the ids of all recursive dependencies, so we actually know exactly which files to load and don't have to search all over again.
jdv79 insanity. what is the cause? 13:21
timotimo ah, nice!
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nine jnthn: using .deps will be very nice for startup performance. 13:21
jnthn nine: \o/
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[Tux] $fh = open $tf20, :r or die "$tf20: $!"; 13:27
where $tf has \r\n line endings THAT I WANT TO PRESERVE
as in, I think open should have the attribute, not :bin + encode on slurp 13:28
Skarsnik there is not a line attribute on open? 13:29
[Tux] there is :chomp, which I already force to false 13:31
[Tux] tries nl => Str
jnthn decides that this is just somebody else's problem now, because no matter what he does with the Windows newline handling stuff, somebody whines. 13:32
Loudly and unappreciatively.
^
& even
[Tux] sorry jnthn this is nothing personal 13:33
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timotimo yeah, it's definitely a very annoying problem 13:33
i don't think i've ever though about how other languages i've used handle that stuff
[Tux] but the words towel and ring crossed my mind
timotimo i ... what? 13:36
[Tux] throws the named towel in the ring for now. I miss all logic 13:38
dalek kudo/load_precompiled_deps: 3f5552c | (Stefan Seifert)++ | src/ (3 files):
Load dependencies of a precomp file directly instead of searching

Since for every precompiled file we already record the ids of all recursive dependencies, we can use that information for loading those dependencies, instead of searching all over again.
This is also an important step to get rid of RepositoryRegistry.load_module
Many thanks to jnthn++ for pointing out this possibility!		 13:39
nine jnthn: could I interest you in reviewing this patch ^^^? At this stage I dare not commit such a change directly to nom.
vendethiel jnthn: I think that's why it's one case where "embrace what everybody else's doing and point to their reasoning" works best :P
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[Tux] There is no way to change an already opened filehandle from :bin to :!bin (and back)? 13:42
cygx [Tux]: :bin is a noop currently 13:43
you can pass enc => 'utf8' and get the same result
[Tux] (tears)
cygx jnthn: I think your newline handling is on the right track
what I would add is github.com/MoarVM/MoarVM/blob/mast...ter.h#L200 respecting :nl-out and a way to disable it completely 13:44
timotimo [Tux]: we don't have something good specced yet for what a :bin handle does when you use string-y methods on it, like .get
cygx timotimo: it's specced and documented, just not implemented 13:45
[Tux] I'll leave it for a few days
till the dust settles
what I want and expect is a way to read THE SAME as what I write to a file
be that \r\r\r\r\r\n or \n 13:46
cygx (if the specced behaviour is actually reasonable is another question entirely ;))
[Tux] so a forced :do-no-translate-nl would be fine with me
but it should be a method/property that can be changed on an already opened filehandle 13:47
Skarsnik :don't-be-smart
[Tux] fine with me :)
this feels like Oracle's NULL behaviour on inserting an empty string in a varchar field
timotimo huh? i know about mysql inserting "" into a NOT NULL when you insert a NULL 13:49
but the other way around? that's really not right
[Tux] if you insert an "" (empty string) into a varchar2 (Oracle) and read it back, it is NULL 13:51
indeed, not right, but that is how it is since Oracle 5 IIRC 13:52
timotimo ;_;
masak jnthn: what's your take on rt.perl.org/Public/Bug/Display.html?id=126969 ? 13:53
[Tux] tux.nl/Talks/DBDc/null.html
timotimo no. i refuse to think any more about this at all.
thanks for the offer
cygx imo we should add nqp::setoutputlinesep, nqp::settransinputlinesep, nqp::setransoutputlinesep 13:55
IO::Handle might also want to be split into IO::BinaryHandle and IO::TextHandle, but I haven't thought that one through yet 13:57
nine Creating QAST manually is so tedious. I wish there were some program that just took a neat textual representation and turned it into a QAST... 14:03
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masak nine: sort of like `quasi { ... }`, no? 14:03
nine masak: except that I need it in Perl6/Actions.nqp :) 14:05
brrt good * 14:07
timotimo i personally find it super annoying to match against QAST trees (in the optimizer)
Skarsnik I like Qt way for file and string. you work with a qttextstream and you can set some flag on how it will act with special stuff (encoding, number encoding, newline...). It avoid having lot of stuff on the IO handle for it or on string class x)
timotimo but i haven't spent a lot of time on the static optimizer in the recent months
brrt build a tiler timotimo ^^
diakopter brrt: hi!
brrt hi diakopter
timotimo hehehe. 14:08
nine timotimo: yes, for an optimizer you really want some regex like language for matching trees.
timotimo yeah, with captures and such
brrt the moment i have more brane left, i'm going to write something for that
nine I punted on that one when I wrote my first optimizer, and came to regret it :) 14:09
ShimmerFairy nine: QAST just needs to be more lisp-like, and it'll be a snap to use! :P 14:11
brrt this is true. lisp is awesome for anything related to program manipulation 14:12
except the cons-car-cdr business
mst but with head-tail you can't have p3rl.org/Acme::CarCdr 14:15
bah
diakopter XD 14:16
mst p3rl.org/Acme::List::CarCdr # first link is 404 complaint, do not click, tigers will be released
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brrt :-D nice 14:19
tadzik timotimo: possibly XPath/JsonPath-like thingy?
I'm trying to imagine how that'd look
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brrt ok, let me ask a very simple question; what's this going to cost 14:21
dalek blets: f02a2cf | (Herbert Breunung)++ | docs/appendix-b-grouped.txt:
fixing set op table + testing new format
brrt algorithmically
tadzik if ( $method =~ m/::c([ad]{1,704})r$/ ) {
is there a significance to the number 704 in Perl 5 internals or so? :)
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timotimo tadzik: it also has to generate code that's as fast as what we're hand-coding at the moment. or faster. 14:22
brrt oh, another question; how much memory can we burn 14:23
tadzik timotimo: yeah, I'm thinking just about the matching part
nine timotimo: can't the optimizer optimize that for us? ;)
tadzik as in, not neceserilly the replacing part
timotimo nine: unlikely :(
it'd have to be the NQP optimizer, which hasn't seen terribly much work yet
or the dynamic optimizer in moar
nine tadzik: even the performance of the matching code is important 14:24
tadzik true
brrt hmmm 14:25
thing is, you can create a constant-time bottom-up matcher, but it'll cost you in terms of memory
cygx tadzik, or anyone else with commit access to panda: github.com/tadzik/panda/pull/264 needs some love
brrt that's basically the first part of the tiler
tadzik oh, oh
cygx: I'll look at it right away 14:26
sorry it layed for so long
(lied?)
(waited.)
cygx ;)
tadzik: it's 'lay', btw 14:27
timotimo jnthn: gist.github.com/timo/2acc89d989d271d580ff - these are the commits in nqp and moar that the commit lizmat identified as "the bad one" pull in; want me to pull out all the jit related stuff i did to see if it makes a/the difference?
tadzik cygx: so "layed" was alright?
cygx no, to lie, lay, lain
simple past is just 'lay'
timotimo jnthn: or do you think it's actually about multi dispatch cache not being hit? perhaps it's not aware of unsigneds or bit sizes and somehow gets confused? perhaps by an unset field?
brrt +1 for splicing out the jit commits and seeing what that does 14:29
but.... it all looked good enough to me 14:30
timotimo thank you :)
first i want to have a look at our generated bytecode to see if perhaps conversions between signed/unsigned or truncation ops are splattered all over the code
don't have a good reason to believe that, but why not take a look.
pmurias jnthn: re sorry about whinning about the \r\n conversion, it's different from the way Perl 5 handles things (Perl5 doesn't do any conversion on linux) so once I noticed that nqp-js failed that test I thought it might be a bug 14:31
tadzik oh wow, my rakudo stopped building :)
Could not find symbol '&bool'
timotimo tadzik: may need to nuke the install folder 14:32
RabidGravy yeah
nine install/share/perl6
tadzik I wonder if I should have rakudobrew do that every tiem
dalek Heuristic branch merge: pushed 27 commits to nqp by pmurias
tadzik it's not like it has to redownload things
nine tadzik: then you'd lose installed modules 14:33
tadzik hm, yes
nothing that can't be worked around though
nine I just hope it's not necessary. The &bool thing should be a one time inconvenience caused by wrong versioning used in the past 14:35
tadzik well, we had a similar thing with precomp when one had to nuke panda 14:38
so either we put some marker in rakudo that says "you have to nuke your stuff" that raukdobrew can read, or we expect users to visit #perl6 every time a single occurence like that happens
or educate them to nuke the installdir when something goes wrong, but in that case, why not teach rakudobrew to do that in the first place 14:39
nine But then we didn't have automatic invalidation of precomp files. The &bool thing is really just because I used git describe for generating the version of the CORE dist and changed that to using $*PERL.version instead. Unfortunatly the latter compares to less than the git describe thingy
After the release we will have to add code handling such backwards compat issues instead of having the users pay the price. 14:40
timotimo i really want a "just use the damn moar i give you, damnit" option to configure
nine But that's exactly the reason why so many incompatible changes went in in the last couple of weeks :)
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tadzik cygx: hmm, does the bug still happen to you? 14:43
cygx: I tried bootstraping now, twice, and no directory shows up
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flussence g'morning, here's a christmas present for other lazy gentoo people - gitlab.com/flussence/perl6-overlay 14:46
tadzik ayy nice :)
konobi howdy pmurias
timotimo neat, flussence 14:47
flussence it's not perfect, but I figure if I throw it out 5 days early maybe I can convince the distro to adopt them by the time 2015.12 rolls around :) 14:48
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pmurias konobi: hi 14:53
Skarsnik Nice flussence :) 14:54
timotimo turns out i'm at least indirectly responsible for the recent gigantic slowdown 14:56
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lucasb yes, it seems that '(HANDLED) Failed to open file' isn't getting created anymore 15:01
tadzik I was hoping it's not something that panda does :)
lucasb tadzik: I think it was because something panda is doing :) 15:02
panda is still calling mkpath with an IO object
but cygx IO::Path commit was merged into rakudo, so maybe this fixed it 15:03
tadzik I would still expect that to yield something more sensemaking than a directory tree with a mangled backtrace :_) 15:04
mst tweets at packagers suggesting a fresh rakudobrew package beats an old rakudo one 15:05
I shall be banging this drum for some time, I think
dalek p: 102b4c2 | (Pawel Murias)++ | t/nqp/59-nqpop.t:
Test nqp::bitand_i, nqp::bitor_i, nqp::bitxor_i.
 15:07
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pmurias mst: will you cpanify rakudobrew? 15:12
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mst pmurias: shouldn't be hard, can totally give it a go 15:13
kittenlips Trying to understand concepts as I'm learning Perl6 syntax, question why :D and :U not traits like is defined and is undef?
moritz kittenlips: we like to think of them as more fundamental than traits 15:14
kittenlips: like, (nearly) first class types, so that one day, maybe you can say "coerce to Int:D" or so
kittenlips mortiz: what does "more fundamental" mean specifically?
flussence starts trying to write an ebuild for panda, realises how silly that is, and stops 15:15
moritz kittenlips: you can pass around the type as an object 15:16
m: say (4, Int, 42).grep(Int:D)
camelia rakudo-moar 625d1c: OUTPUT«(4 42)␤»
moritz kittenlips: that wouldn't be possible if defined/undefined were only traits applied to a variable/parameter
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kittenlips Ah ok thank you 15:16
loren Evening, #Perl 6 15:17
kittenlips Hello
pmurias mst: 'cpanm rakudobrew' seems much more convenient for a perler than doing githuby things
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loren m: my $str = "x=5\ny=6\nz=7"; $str ~~ s:c/(<.ident>) \= (\N+) $$/"$0 => $1"/ for 1..3; say $str; 15:18
camelia rakudo-moar 625d1c: OUTPUT«"x => 5"␤"y => 6"␤"z => 7"␤»
loren m: $_="xyu";s/x/y/;my $str = "x=5\ny=6\nz=7"; $str ~~ s:c/(<.ident>) \= (\N+) $$/"$0 => $1"/ for 1..3; say $str;
camelia rakudo-moar 625d1c: OUTPUT«x=5␤"y => 6"␤"z => 7"␤»
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loren below code not replace success 15:19
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mst pmurias: it'd be App::Rakudobrew but yes 15:19
loren I just use $_ do some redundant steps. 15:20
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mst pmurias: poke me again tomorrow and I'll try and have a look 15:26
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dalek p: e76a1ac | (Pawel Murias)++ | src/vm/js/QAST/Compiler.nqp:
[js] Implement nqp::bitneg_i.
 15:28
p: 3e96236 | (Pawel Murias)++ | t/nqp/59-nqpop.t:
Test nqp::bitneg_i.
loren Anyone found that code problem message to me. 15:31
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pmurias mst: I could attempt to do that myself tommorow, today I'm busy satisfying my checklist completion instinct by going through the list of MoarVM ops and writing tests and/or implementing them in nqp-js ;) 15:33
loren goto sleep() until tomorrow 6:30.
mst pmurias: yeah, well, I'm happy doing it, I just don't think I'll fit it in today and don't want to forget 15:35
dalek p: 566f8ce | timotimo++ | tools/build/MOAR_REVISION:
bump moar for restoring performance
 15:36
kudo/nom: f1bbd4c | timotimo++ | tools/build/NQP_REVISION:
bump nqp to restore moar's jit performance
patrickz .tell mst That strange function rakudobrew injects into the shell is there to allow rakudobrew to modify an environment variable in the current shell (needed for the "shell" subcommand). It's a direct rip off of plenv. If you don't use that feature you don't need that function.
yoleaux patrickz: I'll pass your message to mst.
mst patrickz: I'm right here
yoleaux 15:36Z <patrickz> mst: That strange function rakudobrew injects into the shell is there to allow rakudobrew to modify an environment variable in the current shell (needed for the "shell" subcommand). It's a direct rip off of plenv. If you don't use that feature you don't need that function.
patrickz :-) 15:37
mst patrickz: also, thanks
the tricky bit is going to be rakudobrew thinking it should use ../ for its home
if it's installed into a local::lib that ends up being really quite ugly
flussence timotimo++ 15:38
timotimo sorry about the performance regression i caused :(
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lichtkind yay my p6 talk was accepted at gpw 15:45
tadzik hmm, when does the CFP end? 15:48
I don't see a date on the website
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moritz tadzik: for GPW? 15:50
we haven't quite decided yet. Possibly Feburary
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Juerd It's funny. I've been keeping a list of Perl 6 idioms that I happen to see. The list is just one item so far. 15:53
bartolin_ r: say 6.0221409e+23 # are both answers fine or is the way moar does it preferred?
camelia rakudo-jvm 6c0f93: OUTPUT«6.0221409E23␤»
..rakudo-moar f1bbd4: OUTPUT«6.0221409e+23␤»
Juerd I guess every other trick now just has a builtin that does exactly what you want.
vendethiel- Juerd: what i sit? 15:54
is it*
Juerd Sorting stuff efficiently, picking random elements, shuffling arrays, interpolating expressions, etc... All part of the language now.
vendethiel- well, I guess it depends what you define as "idioms". All my CLI perl 6 programs are pretty much only subsets and multi candidates.
Juerd Idioms, as in those composed expressions that people keep using and are recognisable patterns by themselves 15:55
Like "foo @{[ bar($baz) ]} bar" in Perl 5
Or do { local (@ARGV, $/) = $fn; <> }
Or the schwartzian transform
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lucasb Juerd: will you tell the single idiom in your list? 15:56
Juerd The only one I've got for Perl 6 so far is... now - INIT now
lucasb ahhh :)
masak Juerd: I recently used a sub parameter as an attribute initializer in a lexically defined class. does that count as an idiom? :)
Juerd masak: If I understand the word 'idiom' correctly, it has to be broadly recognised and almost part of the language 15:57
profan isnt it more that perl6 has incorporated more as "language" features, so less is repeated as idioms
gfldex masak: that counts as madness
Juerd profan: Yes, exactly.
tadzik moritz: oh, alrighty then :) 15:58
masak Juerd: how about: choosing the name of a lexically defined variable so that `parameter => $variable` can be written as just `:$parameter` ?
Juerd profan: Especially that everything is an object makes adding features something that doesn't really clutter the language.
masak: I don't know. Isn't that just *actually* part of the language? :)
dalek p: 7d49f99 | (Pawel Murias)++ | src/vm/js/QAST/Compiler.nqp:
[js] Implement nqp::pow_i.
 15:59
p: 7dd0d47 | (Pawel Murias)++ | t/nqp/59-nqpop.t:
Test nqp::pow_i.
p: b1b9e57 | (Pawel Murias)++ | src/vm/js/ (2 files):
Implement nqp::gcd_i, nqp::lcm_i.
p: 3a3b5a1 | (Pawel Murias)++ | t/nqp/59-nqpop.t:
Test nqp::gcd_i, nqp::lcm_i.
Juerd masak: I'll add it anyway, because 2 > 1
jnthn masak: There are various things that counts as, but "thread safe" is almost certainly not one of them :P
masak Juerd: the syntactic sugar is. the habit that exploits it is part of the community, IMO.
Juerd masak: Ah, right.
profan probably more of this will crop up as the language reaches more people
masak jnthn: "thread safe"? what are we talking about...? :) 16:00
profan while perl6 has more in the language itself, it's probably also an issue of scale to see these things show up
jnthn masak: I assume you mean sub foo($bar) { my class A { has $.a = $bar }; ... }
?
masak: And then remember that classes are not closures.
masak jnthn: ah, yes. :) 16:01
Juerd profan: While this is true, there will also probably be fewer idiomatic expressions. Almost every Perl 5 that I've found has a real language feature as its Perl 6 counterpart. The rest didn't seem useful.
vendethiel- masak: I know I abuse the syntactic sugar from perl 6 :(
masak jnthn: is there a thread safety hazard? two different threads would create two different instances, no?
cygx is back for a bit
Juerd Although I'm not sure about $|++. Does Perl 6 autobuffer, and if so, what would be the $| equivalent? 16:02
(Note that while $| is part of Perl 5, $|++ written with ++ instead of = 1 is an idiom (a silly one imho))
jnthn masak: If you ran the sub on two threads at once, then they would each capture the class body in turn, but it's not cloned, and so you have a race.
cygx tadzik: history of the bug: lizmat added some Cool methods to IO::Path, so mkpath calling .split on $pandadir tried to open the file instead of splitting the path 16:03
jnthn masak: This is probably not actually a problem for the code you're writing but... :)
cygx tadzik: this used to throw until I made it fail, and lizmat's implementation handled that failure by using &&
moritz m: sub f($x) { class A { method x { $x } }; say f(42).x; say f(23).x
camelia rakudo-moar f1bbd4: OUTPUT«5===SORRY!5=== Error while compiling /tmp/svl1dN_Q7D␤Missing block (taken by some undeclared routine?)␤at /tmp/svl1dN_Q7D:1␤------> 3hod x { $x } }; say f(42).x; say f(23).x7⏏5<EOL>␤ expecting any of:␤ postfix␤ statem…»
profan Juerd: true
moritz m: sub f($x) { class A { method x { $x } }}; say f(42).x; say f(23).x
camelia rakudo-moar f1bbd4: OUTPUT«42␤23␤»
moritz m: sub f($x) { class A { method x { $x } }.new }; say f(42).x; say f(23).x 16:04
camelia rakudo-moar f1bbd4: OUTPUT«42␤23␤»
cygx tadzik: passing $pandadir without calling .Str or .path to mkpath is still wrong, but I don't know what triggers it
profan oh god i need to fix my terminal, the utf-8 stuff in here kills my irssi now and then
jnthn pmurias: The problem with not doing the same input translation on Linux is that it almost makes certain the code will break depending which platform it's deployed on, and that will most often manifest in test failures on Windows.
cygx tadzik: you'd have to ping cognominal to check...
moritz m: sub f($x) { class A { method x { $x } }.new }; my $a = f(42); say f(23).x; say $a.x;
camelia rakudo-moar f1bbd4: OUTPUT«23␤23␤»
moritz ah, that's the non-closure behavior alluded to earlier 16:05
jnthn moritz: Yes, that one shows it more clearly :)
lucasb cygx: I think it's passing an "/current/path#inst/some/path".IO to mkpath
but that now fails correctly... and the 'try' silences it
moritz jnthn: p5 has a "Variable $x will not stay shared" warning; do we want the same?
jnthn moritz: Possibly, though in this case it's more "Variable $x will be over-shared", no? 16:06
Also masak won't like the warning ;)
pmurias jnthn: the current setup is the "try to make \r\n affect as little as possible" choice
tadzik cygx: hmm, alright, thanks for the details
moritz jnthn: agreed 16:07
jnthn pmurias: Yes, I think it's the right default for most cases
pmurias jnthn: I think the right solution is to just tell people who whine to implement the flag to open themself
jnthn pmurias: And I simply don't have time to this of 6.c to add an on/off knob for that. If somebody wants to, I don't mind. 16:08
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jnthn cygx: Maybe :bin could turn off auto-crlf translation stuff because that's somewhat associated with "text mode" 16:08
cygx: Could also default the encoding to utf-8-c8 or so
jnthn is laregly just getting really quite exhausted from all the xmas preparation hacking, which mixes badly with a general dislike of working on I/O things anyway...sorry for being snappy. :( 16:09
[Tux]: ^^
cygx jnthn: I sympathize 16:10
jnthn: another potential issue is interaction of text-based and binary IO 16:11
is there caching involved in text-based access?
jnthn Depends how you define "caching"
"It's complicated"
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jnthn The main complication being the NFG stuff 16:12
Well, even NFC would make the problem, so shouldn't blame NFG even.
Basically, you can't spit out a grapheme (or even normalized codepoint) in many cases until you've seen what comes after it. 16:13
So there's often a codepoint worth of stuff sat in the normalizer's buffer
cygx s/caching/buffering/
jnthn Any control char counts as an "NFG terminator"
Which flushes said buffer. 16:14
With the exception of \r (thanks, Annex 29 :))
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cygx the question is, can I call .read after a call to .getc or .get and expect not to lose bytes? 16:15
jnthn Good question :) Can we theoretically make that work? Sure. Does it work now? Maybe not, because I think the bytes position is currently about decoding only 16:17
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dalek ast: bfc719f | jnthn++ | S14-roles/composition.t:
Some tests for multi composition conflicts.

Fudged and failing for now.		 16:18
jnthn Will fix ^^ in the next day or so...but need to prep for flight and stuff now
Once they're done RT #124393 (one of the last 3 xmas RTs) will be finished. 16:19
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Ven jnthn++ # outstanding work :) 16:24
yoleaux 01:05Z <psch> Ven: i held of on mentioning it, but checking again shows it's still there: there's a dubious #-sigil for the private attribute 'name' in your advent post
Ven psch: thanks! why'd you hold back? 16:25
DrForr Hrm. I find myself wanting Array.butlast... 16:26
Ven m: my @a = ^17; say @a[1..*-1] 16:29
camelia rakudo-moar f1bbd4: OUTPUT«(1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16)␤»
Ven DrForr: like that?
DrForr Yeah, that's what I'm going to do, but it'd be nice to have a formal name for it :)
timotimo Ven: don't you actually mean 1..^*-1?
Ven timotimo: that'd be the whole array 16:30
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DrForr I want all but the last element. Basically I want to do a join(',') on the data but still have each element (with the trailing comma) as its own item. 16:31
timotimo Ven: uh...wha?
Ven m: say (1, 2, 3)[1..^*-1] 16:32
camelia rakudo-moar f1bbd4: OUTPUT«(2)␤»
Ven m: say (1, 2, 3)[0..^*-1]
camelia rakudo-moar f1bbd4: OUTPUT«(1 2)␤»
Ven m: say (1, 2, 3)[0..*-1]
camelia rakudo-moar f1bbd4: OUTPUT«(1 2 3)␤»
Ven ah, it's the opposite indeed
16:33 RabidGravy left
nine Huh? Method 'WHO' not found for invocant of class 'GLOBAL' 16:34
lucs Off by -1 16:35
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nine Oh, WHO is no method at all. I think I need nqp::who there 16:36
timotimo yeah, *-1 is already "the last element", because the function is called with the number of elements, not the index of the last element
Ven yeah, I just swapped ^ meaning inclusive vs exclusive
m: my @a = ^17; say @a[1..^*-1] 16:37
camelia rakudo-moar f1bbd4: OUTPUT«(1 2 3 4 5 6 7 8 9 10 11 12 13 14 15)␤»
16:37 Begi2 is now known as Begi
timotimo probably easier to just write *-2, though :P 16:37
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lucasb if .head/.tail allowed Whatever, the "init" of a list would be .head(*-1) 16:40
.head(*) and .tail(*) would mean the whole list 16:41
and .tail(*-1) would mean all but the first
timotimo accepting *-1 is the same as accepting any callable, really 16:43
accepting * is a matter of accepting literally "Whatever" as the argument
lucasb unfortunately, "tail" is a little misnamed, since "tail" commonly means "all but the first" in Haskell and maybe other FP languages
diakopter timotimo: I guess my theory on perf regression was right?
timotimo diakopter: sorry, i don't recall what your theory was :|
was your theory "timo is a big stupid doo-doo head"? :) 16:44
diakopter irclog.perlgeek.de/perl6/2015-12-19#i_11746098
or was it partially right except for "massively greater portions jitted", and "quadratic" explosion of find best candidate instead 16:45
dalek ast: 3cba7b3 | usev6++ | S32-exceptions/misc.t:
Fudge test for failure assignment for JVM
ast: d4539a5 | usev6++ | S32-exceptions/misc.t:
Be a bit more liberal about warning output

rakudo.jvm reports '6.0221409E23' here so matching for lower case 'e' only made the test fail
timotimo diakopter: no, sorry, you're absolutely in the wrong 16:46
find_best_dispatchee is about multi candidates
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timotimo and time spent jitting/speshing is still far below gcing 16:46
DrForr write sub butlast() for the time being... 16:47
diakopter "in the wrong" generally means "at fault, to blame", maybe you mean "incorrect"
timotimo oops! 16:48
yes, incorrect
"auf dem holzweg"
barking up the wrong tree
something like that
diakopter so your commit message for bd56e2e is also misleading? 16:49
I'm having trouble seeing how my original theory was really that far off 16:50
timotimo the slow down is caused by multi candidate selection going the slow path
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timotimo that part of the code doesn't know about spesh candidates 16:51
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diakopter the core part of my theory was the additional jitted ops 16:52
I guess you didn't look at it
timotimo i must misunderstand
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diakopter well you said my theory was absolutely wrong 16:58
timotimo can you re-state the theory and cut out the "quadratic explosion" part and the "massively greater portions jitted" part? 16:59
diakopter so I was surmising that you didn't look at the irclog to read it, because then you would've seen it was about additional jitted ops
timotimo you said "it's taking far longer to jit now", which is not what i'm seeing
diakopter of course not, you don't need to restate the evidence which was already obvious. No one ever disputed those facts since you diagnosed it 17:00
timotimo sorry that i'm being so difficult
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diakopter I was trying to help by suggesting a source of the slowdown was additional jitted ops, I was simply lightheartedly commenting that I was, at the core, correct. 17:01
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timotimo oh 17:01
well, that's true
diakopter but to be called absolutely in the wrong is just plain wrong 17:02
timotimo the mechanism by which the additional jitted ops cause this problem isn't understood yet, though
diakopter alright, I'm sorry my comment wasn't helpful; I'm glad you found the immediate commits to blame; I hope someone finds the ultimate mechanism someday
mst diakopter: also, all generalisations are false
timotimo :( 17:03
diakopter what was wrong with that [entirely genuine!!!] comment???! 17:04
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timotimo was that adressed at mst or at my frowny face? 17:07
[Tux] jnthn, no worries 17:08
timotimo just a bit unhappy about how i handled that whole discussion
lucasb xmas is comming... let's be happy :)
timotimo [Tux]: you can try your measurements again with lastest rakudo master; it has the regression-causing commits cut out
[Tux] starting …
timotimo thanks
i'll be AFK for a bit 17:09
Ven timotimo++ # working on the JIT stuff
timotimo diakopter: also, i'm in a not so good mood right now because i have had a headache all day that's not intent on leaving and also i've caused a pretty major regression and i still don't know how
lichtkind jnthn++ for his yapc asia talk 17:10
are thread implemented in rakudo now?
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timotimo yeah 17:11
lichtkind thanks
timotimo we've had threads and such for a long-ish time now, but only a few months ago it really became stable when jnthn fixed a bunch of data races and such 17:12
timotimo AFK nao
[Tux] test 50000 25.122 25.004 17:17
test-t 50000 14.756 14.639
csv-parser 50000 61.926 61.808
run_alt is back though :( 17:18
lichtkind jnthn++ 17:19
dalek p: 2bf1af1 | (Pawel Murias)++ | t/nqp/59-nqpop.t:
Test != and floating point numbers.
p: 6e59241 | (Pawel Murias)++ | src/vm/js/QAST/Compiler.nqp:
[js] Implement nqp::sqrt_n.
p: 2724a79 | (Pawel Murias)++ | t/nqp/59-nqpop.t:
Test nqp::sqrt_n.
17:21 hankache left 17:31 nige1 joined 17:33 CQ joined
dalek c: c10c2a1 | (Sylvain Colinet)++ | doc/Language/nativecall.pod:
Document how to specify the ABI/API version of a lib in NativeCall
 17:34
c: 7882ee7 | (Sylvain Colinet)++ | / (13 files):
Merge branch 'master' of github.com/perl6/doc
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jnthn airport & 17:36
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dalek p: 26c213b | (Pawel Murias)++ | src/vm/js/QAST/Compiler.nqp:
[js] Implement a bunch of math functions.
 17:50
p: 9772f2a | (Pawel Murias)++ | t/nqp/83- (2 files):
Add test for nqp::exp_n.
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Skarsnik hm htmlify on doc use EVAL, should I just add use MONKEY-SEE-NO-EVAL or I let someone do some deep change to avoid it? 17:54
my $pod = EVAL(slurp($file.path) ~ "\n\$=pod")[0]; 17:56
that look weird x)
stmuk panda seems v slow 17:57
stmuk does the nuke dance 17:58
TimToady perhaps it should be using EVALFILE instead
yoleaux 12:48Z <nine> TimToady: Do we really need MONKEY-SEE-NO-EVAL for EVAL :lang<Perl5>? EVAL doesn't always mean that data is interpolated and in the case of Perl 5 or Python code, it's probably even less common.
12:49Z <nine> TimToady: I still get a "Useless use of $p5 in sink context" for "class Bar does Inline::Perl5::Perl5Parent['Foo', $p5] { }"
12:55Z <nine> TimToady: my $a = "foo"; $a .= say if True; # Useless use of $a in sink context (line 1)
Skarsnik doc.perl6.org/routine/EVAL 404 hm 18:00
pmurias what should -12.5 % 5 be in nqp?
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TimToady we could perhaps detect when EVAL is on a literal without interpolation, and not carp in that case 18:05
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pmurias MONKEY-SEE-NO-EVAL is an offical part of Perl6? 18:12
TimToady yes, I think that will help a lot, when we're merely using EVAL to switch to a different language
yes
TimToady plays his high trump card one last time :) 18:13
TimToady hopes he'll be fired soon :)
nine TimToady: well, what will you do when Perl 6 is done? :)
TimToady I don't expect it to be done till after I don't have to worry about it anymore :) 18:14
[Tux] :) 18:15
nine Aah...the correct answer would of course have been "I go to Disney land!"
TimToady Da!
RabidGravy anyway, I have used sub-signatures for the first time in actual code today 18:16
ilmari pmurias: same sign as the dividend seems to be the most common 18:17
from eyeballing en.wikipedia.org/wiki/Modulo_operation
which is conveniently what C, Java and JavaScript all do 18:18
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pmurias nqp-m: say(-12.5 % 5) 18:23
camelia nqp-moarvm: OUTPUT«2.5␤»
pmurias ilmari: ^^
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pmurias ilmari: javascript returns -2.5 here 18:26
TEttinger ilmari: java and C# have some interesting results for modulo differences. 18:28
I've had to resort to the ugh method, which is not called ugh and is instead called Math.IEEERemainder 18:29
"How many E's are there in I Triple E Remainder?"
Skarsnik should be called I2E x 18:30
pmurias I'm planning on using the mod_n from the jvm backend: a - Math.floor(a / b) * b
Skarsnik like localization is l10n and internationalisation is i18n x)
stmuk one simple benchmark is now 3 times slower on OS X 18:32
Skarsnik that not good x) 18:34
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dalek p: fe8fb75 | (Pawel Murias)++ | src/vm/js/ (2 files):
[js] Change mod_n to be more like the jvm and moarvm backends.
 18:37
p: 2739200 | (Pawel Murias)++ | t/nqp/59-nqpop.t:
Test nqp::mod_n.
pmurias stmuk: I just hope you weren't benchmarking mod_n on nqp-js ;)
nanis Sorry, I can't stick around, but just an FYI: On Windows, with fresh build from fresh git clone, t\spec\S17-supply\throttle.t .................................. 5/47 hangs, however, memory footprint of moar.exe keeps growing at about 12 MB/minute. This is on Windows 10 using MS VS2013 tools. 18:38
yoleaux 19 Dec 2015 23:18Z <diakopter> nanis: I don't see an answer to your question: anyway, here it is: perl Configure.pl --gen-moar=master
nanis yoleaux: Ah, I hadn't noticed --gen-moar took values. Thank you.
stmuk pmurias: no :) it's just a pi approximatoin thing 18:39
Skarsnik stmuk, you can add test for NC on t/04-nc/17libnames.t for Os X ? x)
pmurias ./nqp-j -e 'say(nqp::pow_i(2,4))' fails with: 18:40
nanis Also, I noticed CTRL-C during tests ends up causing weird things like test output appearing on the console a few minutes later as well as being unable to delete moar.dll (is that due to no cleanup after death of moar.exe?)
pmurias java.lang.NoSuchMethodError: org.perl6.nqp.runtime.Ops.pow_i(JJ)J
nanis I am sorry I can't focus more on this at this time, but I'll check the logs later. 18:41
18:41 nanis left
TEttinger pmurias: I know J means long primitive from debugging a java-related segfault in another channel yesterday 18:41
Woodi nanis: if you are not going for development then Rakudo Star distros can be used
dalek kudo/load_precompiled_deps: 0186ba5 | (Stefan Seifert)++ | src/ (2 files):
Replace load_module in require by calls to $*REPO.need and $*REPO.load

With this we can finally get rid of CompUnit::RepositoryRegistry::load_module		 18:46
jdv79 is auth used for anything right now? 18:47
Skarsnik Probably not 18:48
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nine jdv79: yes, it's a filter for loading modules 18:48
use Foo:auth<me>; should be fully functional
jdv79 so if i want to publish a package on differnet auths i have to author that many version of it? 18:49
seems kinda lamme and a pita
Skarsnik I even think version is kinda useless in modules files and should only used the value from the meta file, because seriously who want to keep the version the same in so much file? x)
jdv79 for instance i want to put this on cpan: github.com/jonathanstowe/JSON-Infe...fer.pm#L84
nine jdv79: why author many versions?
jdv79 sorry RabidGravy - its just the first example i found 18:50
because its hardcoded
nine hardcoded where?
jdv79 is that auth value not used?
the one in th link ^^
nine jdv79: makes more sense to put the auth information into the META6.json. Also why would you even want to use different auths there? 18:51
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jdv79 i didn't look if that value is used. just asked first. i should read. 18:52
i agree that META6 is a better place but then again you need to gen different copies there too
nine jdv79: auth is for when different authors use the same name for a module and you need to differentiate. It makes no sense for a single author to use multiple auths
jdv79 what? i could publish stuff to cpan and github. i think it makes sense. 18:53
not a whole lot but it does
nine jdv79: if you are identified as github:jonathanstowe then that's you. It doesn't have anything at all to do with where the dist package is downloaded from.
stmuk I'm still seeing slowness with MoarVM version 2015.11-113-gbd56e2e 18:54
nine Foo:from<Perl6>:ver<0.1>:auth<github:jonathanstowe>:api<1> can be hosted anywhere. People can depend on this package being exactly the same, regardless of where it's hosted.
jdv79 that's not the spec says. the auth indicates the content storage where the dist is from. 18:55
Skarsnik There is an API? nice
jdv79 the api thing is new 18:56
nine jdv79: please back up that claim with actual quotes
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jdv79 design.perl6.org/S22.html#auth 18:56
nine That directly contradicts S11 18:57
jdv79 uh oh
nine But it also says so: "Please note that this is not an authority"
jdv79 yes but its still not cool if i install something from cpan and then try to load :auth<cpan> and it fails cause its github or something else 18:58
seems like some rethinking may be in order on this area
Skarsnik could that be injected at installion by like panda? 18:59
nine If the dist has a different auth, it _is_ a completely separate dist. Otherwise it wouldn't make sense to use a different auth.
Sounds like S22 needs some clarification
skids Hrm you use "MONKEY-SEE-NO-EVAL" to turn *on* EVAL? That kinda seems backwards. 19:00
RabidGravy jdv79, the cpan: github: whatever is just a convention, it's just a sort of qualification
nine Quick poll: should I merge load_precompiled_deps? It gives a massive speedup when loading a long tail of precompiled dependencies and gets rid of an API that we do not want to support.
Skarsnik nine, try install Task::Star with it? 19:01
to see if that break nothing x
nine Skarsnik: on it
jdv79 ok, so current thinking that auth does not correspond to a storage location?
nine For me :auth<cpan:nine> has always meant, "the version by whoever is behind the CPAN account 'nine'"
jdv79 its just ns prefix 19:02
RabidGravy yeah
nine Using that to signify a storage location doesn't make sense at all to me. People will want to have their local CPAN mirrors for example.
Skarsnik: is Task::Star known to install on a plain nom?
Skarsnik No idea 19:03
nine Skarsnik: I've got a failure on installing Grammar::Debugger but seem to remember some discussion on that in the past few days
RabidGravy if you wanted to use the value for something else then it gives a clue as to how more meaning could be derived as it were
Skarsnik let me check
nine I like how much faster panda starts with my branch :)
Skarsnik I will probably like your change. I have some code that use a lot bunch of module 19:04
nine Oh, Grammar::Debugger installed on the second attempt. Just like JSON::Infer did a couple of hours ago on nom
Template::Mojo fails due to EVAL 19:05
19:05 awesomess3 left
nine Skarsnik: then please test your code with my branch :) Should be a good test 19:05
jdv79 so auth cannot be used to indicate where one wishes to install a dist from
RabidGravy I was just going to look at JSON::Infer as I think it uses EVAL in a test
jdv79, no, thar's for support/source (or source-uri) 19:06
nine jdv79: not in the world that I see. It wouldn't make sense to me. Once panda has CPAN support it will make sense for it to have some option to specify a source.
Skarsnik nice, could version/auth be injected by the thing responsible for the installion? As a module author I really don't want to ensure I keep the 10 files on my module with the good version, when (if I tag a version) panda/whatever could use the version on the Meta file x) 19:07
nine jdv79: dists are immutable. So it really should not matter where you get it from.
RabidGravy I think source-type has been discussed
19:07 nige1 joined
nine Skarsnik: the dist carries the information, and I think it will be entirely possible to add this information to classes during module loading 19:07
RabidGravy Skarsnik, I only put it on the thing that has the name of the dist 19:08
jdv79 RabidGravy: not really. a dist on cpan could have a github support.source
Skarsnik like dbiish as a lot of file, even if you exclude drivers stuff 19:09
jdv79 they re only the same thing in teh current panda model
S22 hints at the auth being used to indicate the collection to fetch from
i guess that's out for now
19:10 labster joined
jdv79 i'm also out for now. dinner ^H & 19:10
thanks guys
19:11 firstdayonthejob joined 19:13 RabidGravy left 19:18 espadrine left
ChoHag Can you use ^ twigils in regaular (signature-less) methods/subs? 19:23
vendethiel mh? 19:25
should
19:25 RabidGravy joined
ilmari ChoHag: that's the point of them 19:27
m: sub foo { $^a + $^b }; say foo 5, 3;
camelia rakudo-moar f1bbd4: OUTPUT«8␤»
ilmari m: dd sub { $^a + $^b }.signature 19:28
camelia rakudo-moar f1bbd4: OUTPUT«Signature $var = :($a, $b)␤»
ilmari ChoHag: pedantically, no, you can't, since they imply a signature 19:29
19:29 RabidGravy left 19:31 dwarring joined
ChoHag Oh. 19:32
I've only used them in anonymous blocks before.
I guess I should have realised that they're practically the same thing.
ilmari m: { $^a }.^mro.say; sub { }.^mro.say 19:35
camelia rakudo-moar f1bbd4: OUTPUT«((Block) (Code) (Any) (Mu))␤((Sub) (Routine) (Block) (Code) (Any) (Mu))␤»
ilmari m: *.^mro.say 19:37
camelia ( no output )
ilmari m: {*}.^mro.say
camelia rakudo-moar f1bbd4: OUTPUT«5===SORRY!5=== Error while compiling /tmp/SPMPMJNJcK␤{*} may only appear in proto␤at /tmp/SPMPMJNJcK:1␤------> 3{*}7⏏5.^mro.say␤ expecting any of:␤ horizontal whitespace␤ term␤»
ilmari m: ( * + 3 ).^mro.say
camelia ( no output )
ilmari huh
19:37 n0tjack joined
ChoHag From doc.perl6.org/language/modules: "Module distributions in Perl 6 [contain] a lib directory for modules" 19:38
19:38 lucasb joined
ChoHag A little unclear. Is a module a Module? Does a Module (then) contain modules? 19:39
lucasb it's a module *distribution* :) 19:40
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ChoHag What does N<> mean in pod? 19:49
Skarsnik No idea
pod6 doc is... lacking
19:50 zengargoyle left 19:54 BenGoldberg left
RabidGravy is the MONKEY-SEE-NO-EVAL supposed to *always* apply? as github.com/jonathanstowe/JSON-Infe...nfer.t#L28 this one isn't triggering it 19:54
19:55 rindolf left
lucasb m: use Test; lives-ok { EVAL '42' } 19:57
camelia rakudo-moar f1bbd4: OUTPUT«ok 1 - ␤»
Skarsnik blame Test? 19:58
RabidGravy ooh possibly 19:59
lucasb nothing shows that Test.pm is exempt from it. idk why it didn't trigger the warning
Skarsnik m: say EVAL '42'; 20:00
camelia rakudo-moar f1bbd4: OUTPUT«5===SORRY!5=== Error while compiling /tmp/egRSR811aL␤EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,␤but only if you're VERY sure your data contains no injection attacks)␤at /tmp/egRSR811aL:1␤------> 3say EVAL '42'7…»
ChoHag Also, ilmari in particular: Placeholder variables cannot be used in a method
Skarsnik m: say { EVAL '42' };
camelia rakudo-moar f1bbd4: OUTPUT«5===SORRY!5=== Error while compiling /tmp/vxtR46xTyx␤EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,␤but only if you're VERY sure your data contains no injection attacks)␤at /tmp/vxtR46xTyx:1␤------> 3say { EVAL '42' …»
Skarsnik m: use Test; say { EVAL '42' };
camelia rakudo-moar f1bbd4: OUTPUT«-> ;; $_? is raw { #`(Block|87212464) ... }␤»
Skarsnik m: use NativeCall; say { EVAL '42' }; 20:01
camelia rakudo-moar f1bbd4: OUTPUT«5===SORRY!5=== Error while compiling /tmp/KIRcxAm_6n␤EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,␤but only if you're VERY sure your data contains no injection attacks)␤at /tmp/KIRcxAm_6n:1␤------> 3use NativeCall; …»
20:01 cygx joined
lucasb is the name MONKEY-SEE-NO-EVAL a final decision? can it be bikesheded a little? 20:01
RabidGravy m: use MONKEY-GUTS; EVAL "say 42"
camelia rakudo-moar f1bbd4: OUTPUT«5===SORRY!5=== Error while compiling /tmp/PwI3OpXIwJ␤EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,␤but only if you're VERY sure your data contains no injection attacks)␤at /tmp/PwI3OpXIwJ:1␤------> 3use MONKEY-GUTS;…»
lucasb as a non native speaker, it reads a little strange
20:02 rurban joined
cygx lucasb: it's a pun on "monkey see no evil" 20:02
cf emojipedia.org/see-no-evil-monkey/
dalek c: 54b29f1 | (Steve Mynott)++ | bin/p6doc (2 files):
use MONKEY-SEE-NO-EVAL until we have a better serialisation
lucasb cygx: ah... I didn't know that. thanks for the info 20:03
20:04 darutoko- left
Skarsnik stmuk, you forget htmlify.p6 x) 20:04
stmuk maybe it should be "use 🙈 "
20:05 rindolf joined
dalek c: b21bc8f | (Steve Mynott)++ | htmlify.p6:
MONKEY-SEE-NO-EVAL Skarsnik++
 20:06
bartolin_ lucasb: 'use Test;' allows use of EVAL explicitely -- see commit message for github.com/rakudo/rakudo/commit/625d1c51 20:07
lucasb: especially: github.com/rakudo/rakudo/blob/nom/...est.pm6#L1 20:08
cygx .tell jnthn What problem is utf8-c8 supposed to solve? It doesn't round-trip due to normalization, limiting its use cases...
yoleaux cygx: I'll pass your message to jnthn.
lucasb bartolin_: thanks! it was right at the beginning of the commit message and I didn't see :D 20:09
20:09 AlexDaniel joined
lucasb so... Test.pm *is* exempt from EVAL usage errors 20:09
stmuk m: use Test; EVAL "say 42"
camelia rakudo-moar f1bbd4: OUTPUT«42␤»
20:10 nige1 left
stmuk I don't really like the Test pragma changing behaviour like that .. an EVAL could sneak pass unit tests into production 20:10
AlexDaniel m: say ∞.perl 20:11
camelia rakudo-moar f1bbd4: OUTPUT«Inf␤»
AlexDaniel m: say 9e99.perl 20:12
camelia rakudo-moar f1bbd4: OUTPUT«9e+99␤»
AlexDaniel r: say 9e99.perl
camelia rakudo-jvm 6c0f93: OUTPUT«9.0E99␤»
..rakudo-moar f1bbd4: OUTPUT«9e+99␤»
AlexDaniel r: say 9e-99.perl
Skarsnik does that mean a module set use MONKEY-NO-EVAL it get propagated to everything using it?
camelia rakudo-moar f1bbd4: OUTPUT«9e-99␤»
..rakudo-jvm 6c0f93: OUTPUT«9.0E-99␤»
AlexDaniel it's interesting that the output is so different :)
r: say 9.0E-99; say 9e-99 20:13
camelia rakudo-jvm 6c0f93: OUTPUT«9.0E-99␤9.0E-99␤»
..rakudo-moar f1bbd4: OUTPUT«9e-99␤9e-99␤»
AlexDaniel both are correct, obviously :)
RabidGravy I suppose the thing is that Test itself uses EVAL itself in places so it sort of makes some sense
also 20:16
m: use Test; no MONKEY-SEE-NO-EVAL; EVAL "say 42"
camelia rakudo-moar f1bbd4: OUTPUT«5===SORRY!5=== Error while compiling /tmp/wIQSdGJFoJ␤EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,␤but only if you're VERY sure your data contains no injection attacks)␤at /tmp/wIQSdGJFoJ:1␤------> 3st; no MONKEY-SE…»
Skarsnik du how test make the m-s-n-e get propagated? x) 20:18
stmuk m: use MONKEY-GUTS; EVAL "say 42" 20:19
camelia rakudo-moar f1bbd4: OUTPUT«5===SORRY!5=== Error while compiling /tmp/sLMQqdkSTG␤EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,␤but only if you're VERY sure your data contains no injection attacks)␤at /tmp/sLMQqdkSTG:1␤------> 3use MONKEY-GUTS;…»
RabidGravy it's rather strange
20:21 rurban left 20:22 rurban joined
lucasb sorry to say, but this change: s/use nqp/use MONKEY-GUTS/, it changed something that was very clear to something that someone will have know what it means 20:22
lichtkind m: 1..10 ==> .say
camelia rakudo-moar f1bbd4: OUTPUT«5===SORRY!5=== Error while compiling /tmp/iuxMGl9ylh␤Sorry, do not know how to handle this case of a feed operator yet.␤at /tmp/iuxMGl9ylh:1␤------> 031..10 ==> .say7⏏5<EOL>␤»
20:23 rurban left
Skarsnik lucasb, I think it's just an alias? 20:23
RabidGravy I think use nqp still works
lucasb yes, it's just an alias
stmuk m: unit class Test; EVAL say 42
camelia rakudo-moar f1bbd4: OUTPUT«42␤»
Skarsnik lol
RabidGravy er
lucasb I was talking about the specific line change in Test.pm... but, ok, it's just a little thing :) 20:25
RabidGravy m: class B { class Test { EVAL "say 42"; }} # slightly more strange 20:26
camelia rakudo-moar f1bbd4: OUTPUT«42␤»
RabidGravy which could happen in regular code without realising 20:27
lichtkind can i combine .hyper with ==> ?
20:29 rurban joined
lichtkind o/ rurban 20:29
RabidGravy I looks like it checks whether the local name Test is in scope 20:31
don't know where it does that 20:32
stmuk github.com/rakudo/rakudo/commit/62...bc4395R358
RabidGravy yikes 20:34
so even a constant or 20:37
m: enum Foo <Test>; EVAL "say 42"
camelia rakudo-moar f1bbd4: OUTPUT«42␤»
RabidGravy so really easy to switch it off by accident 20:38
stmuk yes
Skarsnik fill a bug? x) 20:39
lizmat computer: messages 20:41
yoleaux 12:19Z <jnthn> lizmat: Hm, it's probably the NQP version bump, then, rather than the patch itself...
12:19Z <jnthn> lizmat: Thanks for hunting it down to that one.
20:41 xfix joined, virtualsue left
lizmat :-) 20:41
m: sub a() { return 1,2,:3c }; dd a # this is wrong
camelia rakudo-moar f1bbd4: OUTPUT«List $var = $(1, 2, 3)␤»
lizmat m: sub a() { 1,2,:3c }; dd a # without the return, it's right 20:42
camelia rakudo-moar f1bbd4: OUTPUT«List $var = $(1, 2, :c(3))␤»
stmuk m: qqx{perl6 -e 'say 42'} 20:43
camelia rakudo-moar f1bbd4: OUTPUT«qx, qqx is disallowed in restricted setting␤ in sub restricted at src/RESTRICTED.setting:1␤ in sub QX at src/RESTRICTED.setting:11␤ in block <unit> at /tmp/M8tesjOkTg:1␤␤»
stmuk surely EVAL should be disabled by RESTRICTED too?
I suppose the bot wouldn't then work 20:44
lizmat stmuk: afaik, the bot just takes your line, puts it in a file, then executes it
so not allowing EVAL in there would be ok 20:45
20:45 hankache joined
stmuk ah evalbot despite its name doesn't use EVAL 20:46
ChoHag S26.pod must have been fun to write... 20:47
20:47 virtualsue joined
stmuk *** glibc detected *** /home/travis/.rakudobrew/moar-nom/install/bin/moar: corrupted double-linked list: 0x000000003add16b0 *** 20:51
_sri wonders why perl6 needs two subreddits 20:52
Skarsnik lol?
_sri you've got r/perl6 and are also claiming r/perl
the latter increasing the perl6/perl5 confusion 20:53
20:53 vividsnow left
Skarsnik I have no idea how subreddits are handled (I don't care about reddit at the first place) maybe r/perl was used for perl6 before perl6 was created? 20:54
lizmat "The Perl Programming Language, including both Perl 5 and Perl 6." ???
_sri lizmat: yea :)
lizmat seems r/perl is both for Perl 5 and Perl 6 ?
_sri it's quite confusing 20:55
hankache the more the merrier ;)
good evening #perl6
lizmat hankache o/
hankache hiya lizmat 20:56
ChoHag Maybe Perl 6 isn't claiming r/perl, but r/perl is claiming Perl 6? 20:57
lucasb I bootstraped panda earlier and I think I saw 3 occurrences of the "$obj .= method if $cond" useless use. But I think nine already told TimToady about it...
stmuk the reddit description for r/perl clearly mentions both langs
20:58 koo8 joined
hankache well r/perl6 would be my natural choice 20:58
less trolls 20:59
El_Che lizmat: don't get into the confusing perl5 and 6 name scheme :) 21:01
Skarsnik r_perl5 r-perl6 21:02
RabidGravy I stop any confusion and avoid trolls by not reading reddit 21:05
_sri when is the first o'reilly perl6 book coming out? 21:10
Skarsnik I don't know if someone is planning of writing one
lizmat _sri: not this year :-)
_sri odd, with other 1.0 language releases recently they've had it match pretty well 21:11
lizmat well, what can I say: O'Reilly hasn't been really in touch with communities lately
jdv79 they do confs now
lizmat last OSCON, communities where put away in Diagonally, away from the muggles 21:12
_sri they have done a lot for elixir
DrForr They tried somewhat with OSCON...
lizmat at OSCON Europe, I was told they were going to address this
DrForr Well, at least this year iwth proposals, what actually happens remains to be seen.
21:12 CQ left
stmuk I think o'reilly are fairly out of touch with programming langs .. I don't think they even did a gobook 21:13
_sri they have a go book actually 21:14
RabidGravy I think a couple of people have been approached by various publishers about a Perl 6 book
stmuk well I was unable to find one using their site search, do you have a link?
_sri shop.oreilly.com/product/0636920046516.do
RabidGravy but all the ones I know have thus far declined 21:15
stmuk _sri: that's not even out yet and go is 6 years old 21:16
_sri stmuk: they've been much faster with elixir though shop.oreilly.com/product/0636920030584.do
that was out even before 1.0
RabidGravy is it? strewf I thought it was like last year or something 21:17
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_sri go 1.0 was 2012 21:17
oh my 21:18
you can still buy perl6 and parrot essentials on amazon
Skarsnik It's probably better to not have a book on a language at release date. It probably avoid people believing it's 'production ready' 21:19
flussence yeah well, PHP 6 had plenty of books
_sri i bet a lot of folks will buy that by accident
lucasb I think I would prefer to see a book written by the whole community, in colaboration. Would that be feasible? 21:20
flussence don't see why not :)
Skarsnik I think it's a bad idea
lucasb if it turns out to be high quality, some publisher will eventually approach to print it on paper
stmuk github.com/perl6/book 21:21
_sri vaguely remembers donating a cover for a community perl6 book a few years back
lucasb stmuk: ^^ yes, I really liked that book. unfortunately, people stopped writing it
21:21 zengargoyle joined
lucasb maybe the "Using Perl 6" book can be rebooted 21:22
stmuk yes I hope so
21:24 dwarring left 21:26 CQ joined
masak ok, I found another precompilation-related bug. 21:26
golfing.
RabidGravy also en.wikibooks.org/wiki/Perl_6_Programming 21:27
which looks like it needs some love 21:28
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nine lizmat: Should I merge load_precompiled_deps? It gives a massive speedup when loading a long tail of precompiled dependencies and gets rid of an API that we do not want to support. 21:36
jnthn nine: What are you reasons not to merge it? 21:37
yoleaux 20:08Z <cygx> jnthn: What problem is utf8-c8 supposed to solve? It doesn't round-trip due to normalization, limiting its use cases...
21:37 hankache_ joined
nine jnthn: we are rather close to the release and it's a 315 lines patch 21:37
jnthn cygx: It wants to handle normalization eventually; in the meantime, handling stuff that doesn't decode at utf-8 is useful. 21:38
nine: Mostly removing, or adding, lines? :)
*as
nine 4 files changed, 114 insertions(+), 95 deletions(-)
jnthn Hm, almost break even :)
The API thing is important though 21:39
masak m: class A::B {}; class C { has A::B $.ab = A::B.new }; say "alive"
camelia rakudo-moar f1bbd4: OUTPUT«alive␤»
masak m: class A::B {}; class C { has A::B $.ab .= new }
camelia rakudo-moar f1bbd4: OUTPUT«===SORRY!===␤Could not locate compile-time value for symbol A::B␤»
masak submits rakudobug
lizmat nine jnthn if it is an API we don't want to support, it needs to go
so, +1 on merge
asap, I might add :-)
jnthn Yeah, my feeling too. 21:40
masak: So...not precomp? :)
dalek kudo/nom: 3f5552c | (Stefan Seifert)++ | src/ (3 files):
Load dependencies of a precomp file directly instead of searching

Since for every precompiled file we already record the ids of all recursive dependencies, we can use that information for loading those dependencies, instead of searching all over again.
This is also an important step to get rid of RepositoryRegistry.load_module
Many thanks to jnthn++ for pointing out this possibility!
21:40 hankache left
kudo/nom: 0186ba5 | (Stefan Seifert)++ | src/ (2 files):
Replace load_module in require by calls to $*REPO.need and $*REPO.load

With this we can finally get rid of CompUnit::RepositoryRegistry::load_module
kudo/nom: 514ba8b | (Stefan Seifert)++ | src/ (4 files):
Merge branch 'load_precompiled_deps' into nom
masak jnthn: not precomp :)
jnthn phew!
masak indeed 21:41
jnthn precomp bugs are up there with GC bugs in terms of "really darn tricky to debug"
nine like run_alt :/
jnthn Yeah :/
21:41 TEttinger left
Skarsnik I think you should focus on having everything on Task::Star at least install now x) 21:42
RabidGravy nine, you know you mentioned JSON::Infer failed to install earlier, it seems a) panda fails to install dependencies sometimes, b) it fails one test on travis which never fails here 21:45
diakopter I still have to disable jit to build nqp on latest msvc
jdv79 RabidGravy: that error happens with other dists
don't remember though
lizmat m: sub a() { return 1,2,:3c }; dd a # bisected this brokennes to 625d1c5116c3314dd 21:46
konobi what is JSON::Infer?
camelia rakudo-moar f1bbd4: OUTPUT«List $var = $(1, 2, 3)␤»
nine RabidGravy: yes, that error is hard to debug since on the second attempt it usually works. But the travis test might give a hint. Or not. It can only help to fix it.
21:47 CIAvash left
skids m: my $f = Channel.new; start { for 0..3 { sleep 1; $f.send(42) } }; await supply { whenever $f -> $s { $s.say } }.head(1).Promise 21:47
RabidGravy konobi, it takes some json and builds a class to represent it which has from-json/to-json methods
camelia rakudo-moar f1bbd4: OUTPUT«(timeout)42␤42␤42␤42␤»
jnthn skids: Need to close the channel? 21:48
Oh, but .head(1)
skids No should just end because head.
jnthn Oh wait
Not it shoudln't
jdv79 we're going to need to firm up the Version issues soon
jnthn You never emit anything.
konobi RabidGravy: ah 21:49
skids Ah.
jnthn So there's never a value to head.
RabidGravy nine, it can't find some libraries which are "used" in the test files
lizmat .tell TimToady commit 625d1c5116c3314dd broke sub a() { return 1,2,:3c }; dd a # List $var = $(1, 2, 3)
yoleaux lizmat: I'll pass your message to TimToady.
jdv79 esp since pause currently requires the version value to start with a v.
nine jnthn: what do you think about moving resolve_repossession_conflicts from CompUnit::RepositoryRegistry to Stash? It's totally out of place in the former and only actively does something with the latter
21:50 hankache_ left
skids jnthn++ 21:50
lizmat jdv79: PAUSE does that ?? I didn't think PAUSE did anything like that on upload ?
jnthn skids: Dunno what you golfed that from, but you may find it easier to write $f.Supply.do(&say).head(1).Promise
jdv79 its old but its unclear what to do even today. S22 says v. 21:51
i asked in here the other day and nobody seemed to be able to agree on much of anything
i think i'll have to say something like "cpan has p6 support but its broke so don't use it yet" in my advent:(
lizmat :-( 21:52
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jdv79 it actually does /^v\d+/ so its broke in any case but still 21:53
Skarsnik lol what
jdv79 i wish someone would clear it up
its from years ago...
who starts a verion off with an alpha anyway but still its legal 21:54
TimToady lizmat: I see where it went wrong, thanks
yoleaux 21:49Z <lizmat> TimToady: commit 625d1c5116c3314dd broke sub a() { return 1,2,:3c }; dd a # List $var = $(1, 2, 3)
jdv79 m: Version.new($_).say for v1.1, "v1.1" # is this really what we want? 21:56
camelia rakudo-moar 514ba8: OUTPUT«v1.1␤vv.1.1␤»
jnthn nine: I guess I'm just a tad wary in so far as I can imagines non-Stash conflicts that may want resolving 21:57
21:57 kaare_ left
nine jnthn: can I make it a private method and still call it from NQP? Then it wouldn't bother me as much, as it's undiscoverable by the casual user 21:58
21:58 castelo left
Skarsnik m: say v1.2.3.Str; 21:59
camelia rakudo-moar 514ba8: OUTPUT«v1.2.3.Str␤»
Skarsnik m: say (v1.2.3).Str;
camelia rakudo-moar 514ba8: OUTPUT«1.2.3␤»
jnthn nine: Yeah, you'll just have to grab it through the MOP
nine: .HOW.find_private_method or so
Skarsnik that's confusing x)
nine jnthn: ok then I will do that unless I suddenly have a really good idea on where to put the method :) 22:00
jdv79 we need a ruling soon or its gonna be a nuissance
jnthn nine: +1
nine But first: sleep. Good night! 22:01
Skarsnik jdv79, fill a bug?
jdv79 nite
where? p6 specs?
jnthn rest well, nine o/
jdv79 i can fix pause but i'm not sure what we want
flussence «Elapsed (wall clock) time (h:mm:ss or m:ss): 0:44.44» -- I don't remember `panda install Linenoise` taking *this* long in the past... 22:02
oh well, don't care if it's slow, it works and that's an improvement over last time I tried
Skarsnik ahaha yes
lizmat nine: after the past patches, my precomp errors in spectest are gone ! 22:04
so the only issue on OS X is t/spec/S32-array/adverbs.t , test 21
flussence ...aaaaand now I get a gazillion undef warnings each time I open a repl *sigh* 22:05
Skarsnik blame the sink thingy x)
flussence from "sub guess_library_name" line 179..189
RabidGravy blame it on the boogie 22:06
Skarsnik Oh, blame me then x)
Why does it warn actually? I think libnoise was compiled and put in perl6 install 22:08
flussence I could maybe understand it doing that at repl startup, but it's doing it on each repl line...
Skarsnik hm
that really weird
guess_lib_name should be called only the first time a C routine is called 22:09
dalek kudo/nom: 72b5e77 | TimToady++ | src/Perl6/Actions.nqp:
relax EVAL to allow literal strings

Sometimes you want EVAL to just switch languages, such as to Perl 5. For a literal string there can be no injection attack.		 22:10
Skarsnik or REPL is doing something weird
kudo/nom: 2047786 | TimToady++ | src/Perl6/Actions.nqp:
return failed to return raw args
Skarsnik TimToady, did you see the discution about having the Test symbol defined in your code, automaticly consider Test.pm is used and cut the EVAL error? 22:11
stmuk m: constant Test=1; eval 42 22:12
camelia rakudo-moar 514ba8: OUTPUT«5===SORRY!5=== Error while compiling /tmp/bsDvqWH940␤Undeclared routine:␤ eval used at line 1. Did you mean 'EVAL', 'val'?␤␤»
TimToady we could have a special symbol exported by Test, would be a slightly safer approach 22:13
stmuk m: constant Test=1; EVAL 42
camelia ( no output )
stmuk ahh
flussence oh, while people are fiddling around in S22, can I get some clarification on where it's valid to put :auth/:ver/etc after a module name? (personally, I'd like the ability to put multiple versions of a module in "provides")
stmuk m: constant Test=1; EVAL "say 42"
camelia rakudo-moar 514ba8: OUTPUT«42␤»
22:14 xfix left
TimToady or probe for Test and one or more of its exports 22:14
22:14 xfix joined
TimToady but it was a complete bloodbath if I didn't make an exception for testing one way or another :) 22:15
Skarsnik flussence, where is linoise stuff? 22:16
lizmat nine: on Moar, make test works ok; on JVM, all tests in make test that do "use Test" fail, because they can't find Test
TimToady I actually had a special export symbol for a while as one of my experiments, but pulled it back out for some reason
dalek p: 50a3cc0 | (Pawel Murias)++ | src/vm/jvm/runtime/org/perl6/nqp/runtime/Ops.java:
Fix pow_i on the JVM backend.
 22:17
22:18 pmurias joined
flussence Skarsnik: on my system? All I see that *might* be libnoise is «~/code/rakudo/install/share/perl6/site/resources/7B814DD107CC3AAF25E4DDE37E2CA226EF34CB51.so» 22:18
22:18 mohae left
TimToady also, I noticed that adding a symbol to Test.pm6 didn't automatically reprecompile without the nuclear options, which was disturbing 22:18
flussence there's also a <hex>.dll and <hex>.dylib inside resources/, but I'm pretty sure I'm not running those OSes...
ilmari pmurias: don't you need to fix the cast on the Math.pow() too?
Skarsnik I mean the code x)
lucasb Skarsnik: it's on a hoelzro's github repo 22:19
flussence er... I just did `panda install Linenoise`, so wherever that says it is
dalek p: 5563da9 | (Pawel Murias)++ | src/vm/jvm/runtime/org/perl6/nqp/runtime/Ops.java:
Fix nqp::pow_i some more.
pmurias ilmari: yes 22:20
ilmari pmurias: :)
awwaiid What did IO::String become? 22:21
oh wait, lib 22:22
22:22 BenGoldberg joined
dalek kudo/nom: a624c37 | TimToady++ | lib/Test.pm6:
export token to default MONKEY-SEE-NO-EVAL to true

This is less likely to collide with a user name than "Test" is.		 22:23
22:23 mohae joined
Skarsnik return in given still exit the routine? 22:25
gfldex lolibloggedalittle: gfldex.wordpress.com/2015/12/20/i-...-them-now/
lizmat gfldex++ 22:26
masak gfldex++ 22:27
gfldex: s/basicly/basically/
dalek osystem: 576a299 | skids++ | META.list:
Add Proc::Screen to ecosystem

Also includes Test::Screen for testing terminal based applications where GNU screen is available
hahainternet m: say ("a", "aa" ... *)[4] 22:29
camelia rakudo-moar 514ba8: OUTPUT«ad␤»
hahainternet not quite what i expected there
easily specified explicitly i know
just, a little nasty compared to how it reads 22:30
pmurias what do we use nqp::scdisclaim for?
lucasb hahainternet: did you want ('a' x *)(4) ? 22:32
jnthn pmurias: I'm not sure we do any more
Skarsnik I think I broke sub is native(Str) but I am not sure how x) 22:33
jnthn pmurias: I think it was going to be used for caching precomp database stuff
hahainternet lucasb: does that work?
lucasb hahainternet: idk if that's what you wanted, but it returns "aaaa" 22:34
jnthn m: say ('a' x *)(4)
camelia rakudo-moar a624c3: OUTPUT«aaaa␤»
hahainternet oh, not on my perl6
hahainternet builds afresh
oh wait, ( vs [
jnthn Yeah, it's not building a sequence of them
hahainternet yeah, it was the infinite sequence part i was playing with really
jnthn m: say ('a', * ~ 'a' ... *)[4]
camelia rakudo-moar a624c3: OUTPUT«aaaaa␤»
hahainternet oh you can do that without the { } block syntax 22:35
good to know
jnthn m: say ('', * ~ 'a' ... *)[4] # or this, depending what you want
camelia rakudo-moar a624c3: OUTPUT«aaaa␤»
hahainternet either was perfect, i would argue that simple character sequences should be supported without being explicit just as is done for geometric sequences for example, but it's not exactly important before christmas 22:36
jdv79 i'm gonna submit a fix to pause then
lucasb
.oO( will it resume afterwards? :)
 22:37
22:38 BenGoldberg left
lucasb I have one scalar (or a list), how to make a lazy infinite list of it? I think it's called "repeateadly" or "cycle" in other languages 22:45
?
jnthn xx *
lucasb duh! I knew it was simple 22:46
thanks, jnthn
jnthn Note if you want the list flattend into it you probably have to use |
m: say ((1, 2) xx *)[^10]
camelia rakudo-moar a624c3: OUTPUT«((1 2) (1 2) (1 2) (1 2) (1 2) (1 2) (1 2) (1 2) (1 2) (1 2))␤»
jnthn m: say (|(1, 2) xx *)[^10]
camelia rakudo-moar a624c3: OUTPUT«(1 2 1 2 1 2 1 2 1 2)␤»
lucasb ^^ yeah, I really like that (|<...> xx *) flattens there 22:47
anyway, here are 2 more ways to write "aaaa":
m: say (^Inf).map('a' x *)[4]
camelia rakudo-moar a624c3: OUTPUT«aaaa␤»
lucasb m: say (('a' xx *) Zx ^Inf)[4] 22:48
camelia rakudo-moar a624c3: OUTPUT«aaaa␤»
gfldex m: say 'a' xx * Z=> 1,2,3; # you may not need the fallening, depending on context
camelia rakudo-moar a624c3: OUTPUT«(a => 1 a => 2 a => 3)␤»
jnthn Well, there's good news and bad news. Good is that I fixed the failing tests I committed yesterday for multis in roles and collisions. Bad is that I discovered another case I didn't yet handled... 22:49
*handle
Maybe tomorrow on the plane... :) 22:50
dalek kudo/nom: 3c31b8b | jnthn++ | src/Perl6/Metamodel/ (3 files):
Treat multis with identical sigs as collisions.

This means a class can resolve such a collision by implementing a multi with the signature matching the colliding ones.
masak nice. 22:51
22:51 loren joined
jnthn Hm, suddenly the hotel internets won't resolve github.com?! 22:52
dalek ast: 4bf7660 | jnthn++ | S14-roles/composition.t:
Unfudge multi/role/conflict tests.
jnthn phew
jnthn hopes he won't be on another propellor plane tomorrow :/ 22:53
hahainternet a quick syntax question, if i have say 'a'..'z' Z 1..10 how would i say, call map on that to operate on each element of the returned list?
Skarsnik we can have multi in role now? x)
hahainternet if i wrap it in () it doesn't seem very happy about it 22:54
or maybe i'm just doing something wrong, it is 11pm and i should sleep
yep, it was syntax errors on my part
jnthn Skarsnik: You always could, but now we pay attention to their signatures 22:55
Skarsnik: So a multi foo(Int $x) { ... } in a role means you must write a multi foo(Int $x) { ... } in a class composing it.
Before you just got an ambiguous dispatch 'cus we didn't pay attention to ... in multis in the role composer. 22:56
22:56 n0tjack left
Skarsnik m: Role A { multi method foo() {say 'hello'}; multi method foo(Int) { ... }}; class B does A {method foo(Int) {say 42}}}; my $a = A.new; $a.foo(); 22:57
loren m: my $str = "x=5\ny=6\nz=7"; $str ~~ s:c/(<.ident>) \= (\N+) $$/"$0 => $1"/ for 1..3; say $str;
camelia rakudo-moar a624c3: OUTPUT«5===SORRY!5===␤Invalid typename 'A'␤at /tmp/6tnFL61me3:1␤------> 3method foo(Int) { ... }}; class B does A7⏏5 {method foo(Int) {say 42}}}; my $a = A.␤Other potential difficulties:␤ Useless declaration of a has-scoped multi-method in …»
rakudo-moar a624c3: OUTPUT«"x => 5"␤"y => 6"␤"z => 7"␤»
loren m: $_="xyu";s/x/y/;my $str = "x=5\ny=6\nz=7"; $str ~~ s:c/(<.ident>) \= (\N+) $$/"$0 => $1"/ for 1..3; say $str;
camelia rakudo-moar a624c3: OUTPUT«x=5␤"y => 6"␤"z => 7"␤»
jnthn role, not Role 22:58
Skarsnik m: Role A { multi method foo() {say 'hello'}; multi method foo(Int) { ... }}; class B does A {method foo(Int) {say 42} }; my $b = B.new; $b.foo();
camelia rakudo-moar a624c3: OUTPUT«5===SORRY!5===␤Invalid typename 'A'␤at /tmp/MONRX5Y6Xy:1␤------> 3method foo(Int) { ... }}; class B does A7⏏5 {method foo(Int) {say 42} }; my $b = B.␤Other potential difficulties:␤ Useless declaration of a has-scoped multi-method in …»
Skarsnik ><
m: role A { multi method foo() {say 'hello'}; multi method foo(Int) { ... }}; class B does A {method foo(Int) {say 42} }; my $b = B.new; $b.foo();
camelia rakudo-moar a624c3: OUTPUT«5===SORRY!5=== Error while compiling /tmp/bZ2cTfnCWi␤Multi method 'foo' with signature :(B $: Int $, *%_) must be implemented by B because it is required by a role␤at /tmp/bZ2cTfnCWi:1␤»
loren Anyone know this problem... -_-
jnthn Has to be a multi in the class too
Skarsnik m: role A { multi method foo() {say 'hello'}; multi method foo(Int) { ... }}; class B does A {multi method foo(Int) {say 42} }; my $b = B.new; $b.foo();
camelia rakudo-moar a624c3: OUTPUT«hello␤»
Skarsnik m: role A { method foo() {...};}; class B does A {multi method foo(Int) {say 42}; multi method foo() { say 'hello'} }; my $b = B.new; $b.foo(); 23:00
camelia rakudo-moar a624c3: OUTPUT«5===SORRY!5=== Error while compiling /tmp/tJkJ__hash␤Method 'foo' must be implemented by B because it is required by a role␤at /tmp/tJkJ__hash:1␤»
Skarsnik that still does not wor
*work
jnthn That needs an explicit proto method writing
Skarsnik That something I don't get. I think proto was just to limit multi signature 23:01
jnthn No, the proto is actually what is always called (optimization aside)
loren Please help have a look at the code above, and i have to go to work ..
jnthn We generate it for you, though too late for it to help with role composition 23:02
May be able to loosen that in the future.
Skarsnik That look more like a bad workaround for me x)
jnthn Well, tough luck.
Or patches welcome.
Skarsnik But I guess it's because multi is part of the signature?
jnthn No
It's 'cus multis don't go in the method table 23:03
They're always installed under a proto
23:04 virtualsue left
jnthn And since roles can bring in inherited classes, which may also bring a proto that we should clone rathre than clobber, it's not as simple as saying "just generate protos before composing roles" 23:04
lucasb m: $_ = 'xyz'; s/x/y/; $_ = 'abc'; s:c/(.)/<$0>/; .say
camelia rakudo-moar a624c3: OUTPUT«a<b>c␤»
dalek kudo/nom: e8d924c | TimToady++ | src/Perl6/Actions.nqp:
change from Test to &MONKEY-SEE-NO-EVAL()

Now the default depends on a special sub defined and exported by Test. This sub must return true, so it's possible to shadow it in an inner scope with a sub that returns false instead. (Though generally if you're gonna do that, you should just use/no MONKEY-SEE-NO-EVAL instead.)
23:04 n0tjack joined
lucasb ^^ so, this should be "a<b>c" or "<a>bc" ? 23:04
s:c/// is to "continue", right? 23:05
Skarsnik I never say it has a simple solution ^^ It just it look weird from someone that does not know the internal
loren lucasb, yeah, i think so..
jnthn Yeah. Well, there *is* a solution already, and it's the kind of thing we can loosen up later if we figure out a good solution.
23:06 spider-mario left
jnthn I've got a kinda bad feeling about the solutions I've considered so far, though. 23:06
Anyway, a post-Christmas issue. 23:07
The requirements from roles composed by roles I really should fix though.
lucasb loren: intuitively, I would say the position should have been reseted between the regex operators, but idk to be honest... maybe someone can explain more.
23:08 n0tjack left
geekosaur that seems buggy, yes. I am not clear on how :c / :p are supposed to work, it says they default to 0 and are not attached to the string being matched (like p5 did) but don't say what it should be attached to (which I guess is the operation, so should have reset to 0) 23:09
TimToady thing is, the current position is not attached to the search string, but :c looks at the last match instead
geekosaur ah
that seems like it's going to trip people
TimToady it's sort of naughty to modify an immutable string just to keep one-thread's search position; what if multiple threads are searching the same string? 23:10
loren lucasb, em, thanks, I have to go to work .
TimToady so if you want to be explicit, remember the .to of the previous match somewhere, and feed it to :c($pos)
23:10 Pessimist joined
loren bye , everyone 23:10
geekosaur I would expect it to be attached to the current evaluation context (that is, the statement, or block if it's in the test of a while or etc.) tbh 23:11
loren I will check chat log when i come back form work.. 23:12
23:12 loren left
lucasb geekosaur, TimToady: I don't fully understand all the details, so... IOW, the code is working as expected? :) 23:13
TimToady yes
lucasb ah, ok. thanks TimToady++ and geekosaur++
geekosaur yes. it's just that "as expected" is not "as naïvely expected" 23:14
TimToady m: sub MONKEY-SEE-NO-EVAL() { 1 }; say EVAL 42
camelia rakudo-moar e8d924: OUTPUT«42␤»
TimToady m: use Test; say EVAL 42
camelia rakudo-moar e8d924: OUTPUT«5===SORRY!5=== Error while compiling /home/camelia/rakudo-m-inst-2/share/perl6/sources/5A873B6C22E600D8BE41B8846C251CD7D914CFE3␤EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,␤but only if you're VERY sure your data contain…»
23:14 n0tjack joined
TimToady I think we need to nuke the precomp Test for camelia 23:14
dalek kudo/nom: af5b39a | lizmat++ | src/core/Regex.pm:
Fix for #126972
 23:15
23:17 rurban_ joined 23:19 n0tjack left
RabidGravy TimToady++ # that'll be harder to do by mistake :) 23:21
TimToady camelia will be broken for a few minutes; can't rebuild on moar while jvm is recompiling, or it runs out of memory... 23:22
23:22 pmurias left
jnthn 'night, #perl6 23:23
TimToady safe travels
jnthn Thanks!
23:24 cygx left 23:26 RabidGravy left 23:31 molaf left
TimToady m: use Test; say EVAL 42 23:31
camelia rakudo-moar af5b39: OUTPUT«42␤»
TimToady that's better
stmuk m: constant Test=1; EVAL "say 42"
camelia rakudo-moar af5b39: OUTPUT«42␤»
lizmat m: EVAL 42
camelia rakudo-moar af5b39: OUTPUT«5===SORRY!5=== Error while compiling /tmp/lrgcj1ygNM␤EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,␤but only if you're VERY sure your data contains no injection attacks)␤at /tmp/lrgcj1ygNM:1␤------> 3EVAL 427⏏5<E…»
TimToady m: EVAL "say 42" 23:32
camelia rakudo-moar af5b39: OUTPUT«42␤»
TimToady literal string is now okay
lizmat m: EVAL "42"
camelia ( no output )
TimToady m: EVAL "say 42", :lang<Perl5>
camelia rakudo-moar af5b39: OUTPUT«Could not find Inline::Perl5 in:␤ /home/camelia/.perl6/2015.11-701-gaf5b39a␤ /home/camelia/rakudo-m-inst-1/share/perl6/site␤ /home/camelia/rakudo-m-inst-1/share/perl6/vendor␤ /home/camelia/rakudo-m-inst-1/share/perl6␤ CompUnit::Rep…»
lizmat I guess an int coerced to a Str isn't
well, that's strange anyway :-)
TimToady no, but why would you do that unless you were testing?
stmuk m: constant Test=1; EVAL "42"
camelia ( no output )
TimToady so it's a convenient proxy for a dangerous expression
m: constant Test = 1; EVAL 42 23:33
camelia rakudo-moar af5b39: OUTPUT«5===SORRY!5=== Error while compiling /tmp/ror6olrzqS␤EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,␤but only if you're VERY sure your data contains no injection attacks)␤at /tmp/ror6olrzqS:1␤------> 3constant Test = …»
TimToady that's what you were looking for, I think
stmuk TimToady++
TimToady m: sub MONKEY-SEE-NO-EVAL() { 1 }; EVAL 42
camelia ( no output )
TimToady m: sub MONKEY-SEE-NO-EVAL() { 0 }; EVAL 42 23:34
camelia rakudo-moar af5b39: OUTPUT«5===SORRY!5=== Error while compiling /tmp/JlN9XIwLvM␤EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,␤but only if you're VERY sure your data contains no injection attacks)␤at /tmp/JlN9XIwLvM:1␤------> 3sub MONKEY-SEE-N…»
TimToady that's what it's using now
but the pragma still overrides regardless
23:34 xfix left
TimToady m: no MONKEY-SEE-NO-EVAL; sub MONKEY-SEE-NO-EVAL() { 1 }; EVAL 42 23:35
camelia rakudo-moar af5b39: OUTPUT«5===SORRY!5=== Error while compiling /tmp/BhC7ofXF0p␤EVAL is a very dangerous function!!! (use MONKEY-SEE-NO-EVAL to override,␤but only if you're VERY sure your data contains no injection attacks)␤at /tmp/BhC7ofXF0p:1␤------> 3 sub MONKEY-SEE-…»
TimToady the stub routine only sets the default if no pragma is in evidence
so Test can set a general default but individual scopes can still choose their own settings 23:36
m: use MONKEY; BEGIN say %*PRAGMAS.keys 23:37
camelia rakudo-moar af5b39: OUTPUT«5===SORRY!5=== Error while compiling /tmp/7CUfUPRIqu␤An exception occurred while evaluating a BEGIN␤at /tmp/7CUfUPRIqu:1␤Exception details:␤ 5===SORRY!5=== Error while compiling ␤ Cannot find method 'keys': no method cache and no .^find…»
TimToady m: use MONKEY; BEGIN say %*PRAGMAS
camelia rakudo-moar af5b39: OUTPUT«MONKEY-BRAINS => 1, MONKEY-BUSINESS => 1, MONKEY-GUTS => 1, MONKEY-SEE-NO-EVAL => 1, MONKEY-SHINE => 1, MONKEY-TRAP => 1, MONKEY-TYPING => 1␤»
AlexDaniel m: /a/ 23:38
camelia ( no output )
TimToady (it's a BOOTHash, is what's going on there with .keys)
23:38 raiph joined
TimToady m: use MONKEY; BEGIN say %*PRAGMAS; no MONKEY; say %*PRAGMAS 23:38
camelia rakudo-moar af5b39: OUTPUT«MONKEY-BRAINS => 1, MONKEY-BUSINESS => 1, MONKEY-GUTS => 1, MONKEY-SEE-NO-EVAL => 1, MONKEY-SHINE => 1, MONKEY-TRAP => 1, MONKEY-TYPING => 1␤Dynamic variable %*PRAGMAS not found␤ in block <unit> at /tmp/yYXpbkPa3I:1␤␤Actually thrown at:␤ in blo…»
TimToady m: use MONKEY; BEGIN say %*PRAGMAS; no MONKEY; BEGIN say %*PRAGMAS 23:39
camelia rakudo-moar af5b39: OUTPUT«MONKEY-BRAINS => 1, MONKEY-BUSINESS => 1, MONKEY-GUTS => 1, MONKEY-SEE-NO-EVAL => 1, MONKEY-SHINE => 1, MONKEY-TRAP => 1, MONKEY-TYPING => 1␤MONKEY-BRAINS => 0, MONKEY-BUSINESS => 0, MONKEY-GUTS => 0, MONKEY-SEE-NO-EVAL => 0, MONKEY-SHINE => 0, MONKEY-TR…»
awwaiid I love this naming scheme
diakopter speaking of monoculture 23:40
23:40 Begi joined
raiph p6doc has: Routines: All Sub Method Term Operator ........ so would it make sense to add Rule (for rules, tokens and regexes like <ident>) 23:40
geekosaur (and I'm going to wonder which rule is being relaxed when a bot in another channel starts its comment with "Monkey balls!"
)
TimToady I wonder if we should put in warnings if users try to access implementation details that may change, such as %*LANG, or %*PRAGMAS 23:41
or $*ACTIONS, for that matter
lizmat TimToady: are they tested in roast ? 23:42
TimToady that won't stop people from presuming
gfldex I'M WARNED BY CAPITALS 23:43
23:44 lucasb left
TimToady there are tests for %?LANG, presumably non-working 23:45
m: say %?LANG
camelia rakudo-moar af5b39: OUTPUT«5===SORRY!5=== Error while compiling /tmp/VtWxNvlO86␤Variable '%?LANG' is not declared␤at /tmp/VtWxNvlO86:1␤------> 3say 7⏏5%?LANG␤»
jdv79 is there any possibility that pod6 could be rendered without requiring runtime deps of the surrounding code?
TimToady we could perhaps have an annotation that the pod itself has no dependencies, but an import could change the parsing somewhat, expecially if you said 'use COBOL' or some such 23:46
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flussence it's semi-trivial to sed out the bits that aren't pod, but then you lose #| and #= annotations... 23:47
TimToady in general pod is designed to be able to strip it out on a line-by-line basis
jdv79 its kind of a heavy burden to have to install everything just to output docs
that's why i ask
TimToady it's a reasonable question
I think 95% of docs would have no trouble ignoring the deps 23:48
jdv79 cool
TimToady unless it's 97.329%
jdv79 "most" is fine with me
TimToady in fact, we should probably assume that's the default, and specially mark any pod that does require the deps 23:49
TimToady assumes he should take a nap 23:51
zzz &
awwaiid I like
23:53 firstdayonthejob left
jdv79 TimToady: that seems nicer, yes... 23:55
23:56 Begi left

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