»ö« Welcome to Perl 6! | perl6.org/ | evalbot usage: 'p6: say 3;' or rakudo:, or /msg camelia p6: ... | irclog: irc.perl6.org or colabti.org/irclogger/irclogger_logs/perl6 | UTF-8 is our friend!
Set by moritz on 22 December 2015.
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lookatme m: my @a = 1; @a += 33; say @a; @a += 2; say @a; # why ? 00:49
camelia [34]
[3]
geekosaur that seems buggy. the first is because it treated a 1-element list as a scalar; the second looks like it kept the same container interpretation as before but its value became the length of @a 00:53
the first behavior is from Cool. the second smells like a bug 00:54
lookatme m: my @a = 3, 2; @a += 33; say @a; @a += 2; say @a; # why ?
camelia [35]
[3]
lookatme yeah, seems like you are right
geekosaur I'd be interested in seeing if disabling spesh does anything, but I don't think you can do that with camelia. (evalable might have a way, I don't know offhand) 00:55
lookatme oh, no, they all used length
geekosaur that seems really buggy...
lookatme yeah :) 00:56
I just found += is do append to list in python, and want see have Perl6 do 00:57
how
geekosaur m: my @a = 3, 2; @a.append: 33; say @a 00:58
camelia [3 2 33]
geekosaur + is always numeric, therefore so is +=
you could also write @a.append(33) 00:59
lookatme yeah, I know 01:00
and I have an idea I can add `<<` as an operator like it in ruby (maybe ?) 01:01
cfa hmm, is this really a bug? just seems unintuitive at first
yoleaux 19 Mar 2018 19:03Z <Zoffix> cfa: If you'd like to be credited by something other than "cfa" in release credits, add yourself to the CREDITS file: github.com/perl6/doc/blob/master/CREDITS
lookatme so @a << 3; append the 3 to @a
cfa but you have @a with n elements so += is assigning the result of the .elem + rhs back to @a; the second += does the same 01:02
er, .elems
lookatme very convenient :)
cfa so in both cases it's just cardinality + right hand side, put into the array container
lookatme sounds like stranger
cfa the 34 or 35 is kinda irrelevant to the second case 01:03
lookatme hmm 01:05
cfa m: ((1, 2, 3) + 33).say 01:07
camelia 36
cfa m: ((36) + 2).say
camelia 38
cfa m: ([36] + 2).say
camelia 3
cfa that's all that's going on, no?
(ignore the second dumbo example with grouping parens
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lookatme m: say (32).WHAT; say [2].WHAT; say (3,).WHAT; 01:11
camelia (Int)
(Array)
(List)
cfa m: ((36,) + 2).say 01:12
camelia 3
cfa to keep it consistent
lookatme yeah that's it
cfa sorry, i'm typo'ing all over the place so probably confusing matters further
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AlexDaniel I wonder why ,= can't do it 01:18
I mean… it's weird anyway 01:19
m: my %a = :25a, :42b; %a ,= :100x; dd %a
camelia Hash %a = {:a(25), :b(42), :x(100)}
AlexDaniel works on hashes, but not on arrays
I think we had this discussion before, and IIRC the conclusion there was that I shouldn't be expecting this stuff to be consistent 01:20
but actually I don't remember anymore
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AlexDaniel m: my @a = <a b c>; @a |,= 42; dd @a 01:21
camelia 5===SORRY!5=== Error while compiling <tmp>
Preceding context expects a term, but found infix ,= instead.
at <tmp>:1
------> 3my @a = <a b c>; @a |,=7⏏5 42; dd @a
AlexDaniel m: my @a = <a b c>; @a ,= 42; dd @a
camelia Array @a = ((my @Array_74446016) = [@Array_74446016, 42])
AlexDaniel ↑ so tha creates a self-referential array, which is cool also
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Zoffix m: my @a = 1; @a += 33; say @a; @a += 2; say @a; 01:22
camelia [34]
[3]
Zoffix m: my @a = 1; @a = @a + 33; say @a; @a = @a + 2; say @a;
camelia [34]
[3]
cfa AlexDaniel: that's kinda curious because
Zoffix lookatme: ^ that's what you're asking it to do, and Arrays in Numeric context produce a number that's the number of their elements.
cfa m: my %h = :25a, :42b; (%h, c => 3).say
camelia ({a => 25, b => 42} c => 3)
AlexDaniel no, that's fine 01:23
Zoffix The ,= thing is a DWIM, because %h = %h1, %h2 you more often want to combine, while @a = @a1, @a2, you want two separate arrays
geekosaur well, except there's the expectation that op= doesn't actually duplicat eit, so you wouldn;t wpect it to be a container in one and the length of its ocntents in the other
cfa ah yes
AlexDaniel = makes it do something completely different, and that's how it should be I guess
geekosaur you have some explaining to do if op= is going to behave differently from literally every other language that supports it 01:24
cfa m: my %h = :25a, :42b; %(%h, :100c).say
camelia {a => 25, b => 42, c => 100}
AlexDaniel Zoffix: right, that was the conclusion back then
cfa m: my %h = :25a, :42b; (%h, :100c).say
camelia ({a => 25, b => 42} c => 100)
cfa there's the differenc without =
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Zoffix geekosaur: but it doesn't duplicate anything. It's it's fetch/store; same as fetch/store with $a += 42; You fetch a value (the contents of Array, numified) and store the result. 01:26
geekosaur I assume that means "no, we don;t even have do codument that we're breaking everyone's expectations"
Zoffix geekosaur: what's your expectation? 01:27
geekosaur ...
AlexDaniel although now I'm thinking about it… “while @a = @a1, @a2, you want two separate arrays” do I? Looks like an array of two arrays to me, and I'd totally expect |@a1, |@a2 there to do the “DWIM”
cfa `x op= y` as `x = x op y` is fairly consist in p6, no? 01:28
geekosaur I guess because what I said was not the contents oif your brain, it was summarily rejected
lookatme yeah, as I think, they do the correctly behavior or they not working on Array(such as throw an exception)
AlexDaniel also, ,= is then practically useless because how often do you actually need a self-referential array
cfa so, `@a += 2` as `@a = @a + 2` etc.
Zoffix geekosaur: I'm trying to understand what you said. You said it's container in one case and contents in the other, I'm saying no, that's a single object in both cases. 01:29
geekosaur yes, in you-think which is clearly all that matters
lookatme :) If it change the length of @a, that's fine. But they do nothing seems like
geekosaur "interpreted differently" is still not doing what poeple who have seen that idiom in every other language that sues it will expect 01:30
I understand that changing it will not happen'
Zoffix AlexDaniel: right, but the alternative is a million special cases that "dwim". And it's why Perl 5 sucks.
geekosaur you are convincing me that documenting it will also not happen. which will not help
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AlexDaniel Zoffix: I guess you're right 01:30
geekosaur: sorry, what did Zoffix do to justify this aggression? :S 01:31
Zoffix geekosaur: I'm still at a point of trying to understand how you're expecting it to work. I'm not convincing you of anything.
cfa AlexDaniel: (and Zoffix) hey, thanks for that , clarification on hashes; don't think i'd come across it
geekosaur AlexDaniel, a long string of "the prerequisite of uing this language is downloading the developer's brain first"
I keep running into things that violate expectations, and being told that is correct behavior 01:32
and not even worth documenting]
cfa nobody said this wasn't worth documenting did they?
AlexDaniel who said that it's not worth documenting?
cfa i just mentioned that it's not a bug
geekosaur thts makes for a lnaguage made of roadblocks to understanding
AlexDaniel we have a whole page for that: docs.perl6.org/language/traps
as in “I expecting X but oops! Here's why and what you can do”
geekosaur I have multiple times asked that yhis business of interpreting the @a differently be documented
And gotten confusion and argument in response 01:33
AlexDaniel geekosaur: which doc ticket is that?
geekosaur I am assuming ti will not be documented, it will just lkeep getting lookatme's "why?:
... 01:34
we're not even speaking the same language, are we
AlexDaniel I'm serious. Can you file a ticket?
and then we'll figure out what to do with it
JJ is very active currently and I guess he'll be able to do something about it
lookatme anyway thanks :) 01:35
AlexDaniel if the expectation is clearly defined, I can also document a trap
Zoffix m: my $x = [<a b c>]; $x += 42; say $x
camelia 45
Zoffix m: my $x = 3; $x += 42; say $x 01:36
camelia 45
Zoffix ^ in that form, the QAST for `+=` is exactly the same.
lookatme hmm, I guess I know what you mean 01:37
Zoffix With `@` sigil, the nqp::assign just becomes nqp::callmethod(:name<STORE>)
(which is called on the Array; while with `$` sigil, you're assigning into a Scalar container) 01:38
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Zoffix I like this article to understand all the container business: perl6advent.wordpress.com/2017/12/02/ 01:39
cfa if i understand geekosaur's issue correctly, it's that they expect op= to modify the lhs (here, an array) directly 01:40
Zoffix Ah 01:41
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cfa rather than assigning the result of the op, +, back into the array 01:41
Zoffix Yeah, now I get it.
lookatme yeah, That's what I mean
geekosaur no. I am saying that, if I see X op+ ... I expect the X to be treated the same way when ti's used. Which in this case either does not make sense or wants to be done differently. What actually happens is that in one case it's coerced and the other it's the original container.
except I am sure that was just as incomprehensible as my previous statements, given that they all got :nbut it is the same" 01:42
lookatme geekosaur, agree ++
just looks same
It just like two things just looks same, but actually one is A, another is B 01:43
ok, we can call it overload haha 01:44
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lookatme m: multi sub infix:<<'+='>>(@a, $i) { @a.push($i); }; my @a = 1; @a += 2; say @a; 01:45
camelia [1 2]
lookatme I think I can publish as a module
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cfa so in pseudocode, you're expecting @a += 10 to be akin to @a.operator+=(10) ? 01:45
lookatme It should be 01:46
cfa geekosaur: is that accurate?
Zoffix lookatme: they're both A tho. The coersion stuff is what the op chooses to do. As your custom op shows, it doesn't have to coerce into anything and it can do whatever it wants with **A** 01:47
(my $x = 3; $x += 42) => "take contens of $x, call infix:<+> with them and number 42; save result to $x"; (my $x = <a b c>; $x += 42) => "take contens of $x, call infix:<+> with them and number 42; save result to $x" (my @x = <a b c>; @x += 42) => "take contens of @x, call infix:<+> with them and number 42; save result to @x" 01:49
cfa geekosaur: and since you used op+ above, you'd expect @a + 2 to be a method call on @a?
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lookatme I don't want it consistent in some deep way 01:51
cfa like, part of this strikes me as expecting operators to behave as methods coupled to the lhs object
lookatme I don't think people want do that with +=
cfa but again, i'm not sure if i'm interpreting the issue correctly 01:52
Zoffix lookatme: consistency makes the language easy to remember and understand. Sure, people might not want to do @a += 42 or @a ,= @b, but there's a single rule undelying all of the permutations of the ops and variables and sigils: C op= E is the same as `my \t := C; t = t + 42;`. The there are infinite number of possible ops and expressions and they all fit that rule. But if you start inventing special rules for 01:57
each case. You make it harder to remember everything.
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AlexDaniel if this confusion comes from looking at perl 6 through c++ glasses, then we should definitely document it as a trap 01:58
but yes, I'm not understanding the issue also
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Zoffix s/t +_42/t op 42/ 01:59
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Zoffix s/t op_42/op(t, E)/ 01:59
lookatme yeah, I know what you mean, anyway thanks all 02:01
Zoffix I think I understand it sorta, like `@a += 42` would behave like `@a := @a + 42`
m: my @a = < a b c>; @a := @a + 42
camelia Type check failed in binding; expected Positional but got Int (45)
in block <unit> at <tmp> line 1
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AlexDaniel cfa: ok, I filed this ticket: github.com/perl6/doc/issues/1855 02:04
cfa AlexDaniel: thanks 02:06
lookatme thanks AlexDaniel 02:07
AlexDaniel it's a different issue though
please file another ticket for the thing that caused this whole discussion
lookatme: can you do it please? 02:09
cfa AlexDaniel: commented 02:10
lookatme AlexDaniel, sorry, no, I am on working place now :) 02:13
AlexDaniel geekosaur: please?
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thowe Good people of #Perl6... I bid you hello. 02:26
timotimo greetings 02:28
thowe timotimo, Tell me good things of Perl6 and the world at large. 02:29
timotimo are you already subscribed to the perl6 weekly?
thowe mmm, maybe not(?)
how do I do this
timotimo p6weekly.wordpress.com/
lookatme p6weekly.wordpress.com/ 02:30
thowe Edument... Don't they have something to do with Cro?
timotimo yup
i've worked with edument and i can say they're a fine bunch 02:31
(disclaimer, i coded up the remote debugger thing that's described at the beginning; i didn't do the design, though) 02:32
thowe I was at YAPC/TPC in Orlando a couple years ago... It seems Perl6 people are a good bunch as a rule.
I've been too busy to play with Perl since then, but I am trying to make time. I want to go to the next one. Perl6 is really rocking it lately, it seems. 02:33
remote debugger thing.... Awesome 02:36
Geth doc: 23004a56e6 | cfa++ | doc/Language/traps.pod6
Attempt to document confusion around infix operator assignment.

This was in #perl6 today; first pass at documenting a potential trap.		 02:37
synopsebot Link: doc.perl6.org/language/traps
Geth doc: de48b9de96 | cfa++ | doc/Language/traps.pod6
Tidy clunky language.
 02:40
cfa AlexDaniel: ^
timotimo thowe: if you want you can play around with it a bit. and i really should write a readme for it :) 02:42
thowe I don't think I would know what to do with it at this point. 02:43
timotimo that's fair
AlexDaniel cfa: cool. I still don't understand what is the “expected” behavior 02:44
cfa: maybe it should be clarified?
cfa i honestly don't know what's expected here 02:45
an exception?
thowe I want to go to SLC again...
AlexDaniel Zoffix: ↑ maybe there's something you'd want to add here?
to the traps page I mean
cfa caveat: it's pretty rough as is 02:46
but i figured it's better to have something
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AlexDaniel OK I'll try to get some sleep again… I hope successfully this time :) 02:53
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Zoffix cfa: AlexDaniel well, just the incorrect bit: "@a = (+@a) + 10;" <-- that doesn't happen but to me the current text suggests that it does, especially with the whole "into numeric context". 02:57
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Zoffix And is probably why the original confusion exists. There isn't any two values or two views of @a involved in any part of the process 03:00
m: my @a = <a b c>; my \t := @a; t = t + 3; say @a
camelia [6]
Zoffix ^ it's the same object in both cases and the construct doesn't concern itself with what the operator is doing. The whole thing about @a evaluating to the number of elements in "numeric context" is just the workings under the hood of infix:<+> op that's being used. 03:01
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cfa Zoffix: that was meant to offer a different way of thinking about it 03:02
the (+@a) is just to explain where the 3 comes from 03:03
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cfa i'll remove it in the third line 03:03
Zoffix m: my @a = <a b c>; sub infix:<♥> (\a, $) { a.reverse }; @a ♥= 42; say @a;
camelia [c b a]
Zoffix m: my @a = <a b c>; sub infix:<♥> (\a, $) { a.reverse }; my \t := @a; t = t ♥ 42; say @a; 03:04
camelia [c b a]
timotimo how would you like to pass the --debug-port and --debug-suspend arguments to a hypothetical perl6-debugserver-m runner script?
Zoffix ^ same here; it's up to the op if it chooses to ignore the arg. There's no "heart context" involved.
cfa yeah 03:05
timotimo i'm thinking an env var might be better than doing probably-fragile argument handling in a shell script
cfa but + is still asking for @a as a numeric, no?
that's all i meant
Zoffix cfa: I think it's entirely irrelevant to the feature being showed, and in fact, trying to explain it while also explaining op= is maybe a mistake. 03:06
cfa i think 'why 13' will come up
so saying "here's where 3 comes from" helps? 03:07
Zoffix Exactly, so why involve it.
cfa why involve what?
Zoffix That arrays in numeric contexts numerate to their number of elements. What does that have to do with `op=` issue?
cfa because that whole issue (+ coercing, then assigning back) was the crux of the confusion 03:08
Zoffix timotimo: the args sound safer. You leave an env var set accidentally and start some other program and now it's exposing it's data to anything that can connect and listen, don't it? 03:09
timotimo hm, fair enough
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Geth doc: c76643cfb1 | cfa++ | doc/Language/traps.pod6
Remove second instance of (+@a); clarify language.
 03:09
synopsebot Link: doc.perl6.org/language/traps
cfa clarified it a bit there; feel free to rewrite this 03:10
timotimo who here can write good shell scripts? :)
lookatme do what ? 03:13
timotimo actually, why not have the debugserver script just take positional arguments 03:15
first one for the port, second one "y" or "n" for suspend or not 03:16
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llfourn I'm pretty good a shell scripts since I wrote a shell script compiler in Perl 6 XD 03:18
to me env vars are preferable
in bash at least when you do DEBUG_PORT=8888 perl6-debugserver-m it won't leak 03:19
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llfourn to make that true on all patforms I think you can do env DEBUG_PORT=8888 perl6-debugserver-m 03:21
timotimo yeah, but it'll leak to anything *that* calls 03:22
unless it's easy to throw out that variable before actually invoking the binary itself
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llfourn I don't see what you mean :o 03:23
oh anything the script calls 03:24
yeah
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cfa .ask Zoffix see what you make of that? (not yet live on the docs site) 03:29
yoleaux cfa: I'll pass your message to Zoffix.
timotimo there's surely a sh compatible "unset this env var" that's super simple 03:30
llfourn timotimo: yeah isn't it just unset lol 03:36
it seems it's not part of POSIX shell -- but you could just set them to empty before you invoke the thing 03:40
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Geth doc: e96a0d19a7 | cfa++ | doc/Language/traps.pod6
Remove (redundant) infix operator assignment example.

  Zoffix is right, it confuses matters.		 03:46
synopsebot Link: doc.perl6.org/language/traps
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cfa well, now that i've made a royal hash of that, dinner 03:57
Brock Science depends on determinism 04:11
awwaiid hmm. wrong channel :)
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Geth doc: 1066bb3e8f | (JJ Merelo)++ | htmlify.p6
Apparently, problems with ? have been fixed

So this closes #1851.		 06:35
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Geth doc: ddc0c0ec6d | (JJ Merelo)++ | htmlify.p6
I'm not that fond of the no tabs rule
 06:57
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travis-ci Doc build failed. JJ Merelo 'I'm not that fond of the no tabs rule' 07:16
travis-ci.org/perl6/doc/builds/355720003 github.com/perl6/doc/compare/1066b...c0c0ec6d2b
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buggable [travis build above] ☠ Did not recognize some failures. Check results manually. 07:16
bocaneri is discovering that using Supply can bog things down a bit 07:22
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lizmat clickbaits p6weekly.wordpress.com/2018/03/19/...y-edument/ 08:31
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moritz lizmat++ 09:31
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jkramer Am I missing some documentation is or does Duration now have any duration-specific methods but is basically just a Rat? docs.perl6.org/type/Duration 09:58
yoleaux 19 Mar 2018 02:28Z <perlawhirl> jkramer: Yes, I am in Australia
jkramer Oh
:D
s/now/not/ 09:59
buggable New CPAN upload: App-Assixt-0.2.0.tar.gz by TYIL cpan.metacpan.org/authors/id/T/TY/...2.0.tar.gz 10:21
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tbrowder_ hi #perl6 11:12
Zoffix jkramer: it's literally just that. A Rat packed in a class to signify it was a result of subtracting two Instances. We discussed it just the other day: irclog.perlgeek.de/perl6/2018-03-18#i_15937102
(with consesus being: yeah, it could be better, but the betterment should be trialed in the ecosystem first) 11:13
lizmat++ # good weekly; shocked by how many new modules we got 11:14
tbrowder_ ref: my comments yesterday about Toaster: i think i was waving the red flag a bit too early. i just had a good run without leaving orphans and i think (hope) the problem was being caused by using nohup instead of at for detaching a job from the login shell. 11:16
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jkramer I'd like to have something like this in Duration: paste.pound-python.org/show/squF4h...HUFEbNAAb/ 11:25
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jkramer Would this make sense as a module and what's the chance something like that would make it into core Duration at some point? 11:26
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Zoffix eco: Number::Denominate 11:59
buggable Zoffix, Number::Denominate 'Break up numbers into preset or arbitrary denominations': github.com/zoffixznet/perl6-Number-Denominate 1 other matching results: modules.perl6.org/s/
Zoffix jkramer: you can already get that functionality with that module ^
jkramer: and there's precisely zero chance something like that would get in core, because it doesn't account for leap seconds\ 12:00
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Zoffix It'd need a reference point in terms of an Instance/DateTime object and that'd also likely conflict with core Duration, so I'd expect that whatever gets into core would have lots of mileage as ecosystem module before it replaces the core type. 12:02
m: sub infix:<+> { class Dura { has $.ref; has $.offset; method in-years { $!ref.year R- $!ref.later(:seconds($!offset)).year } }.new :ref($^a) :offset($^b) }; say (DateTime.now + 365*24*60*60).in-years 12:08
camelia 1
Zoffix m: sub infix:<+> { class Dura { has $.ref; has $.offset; method in-years { $!ref.year R- $!ref.later(:seconds($!offset)).year } }.new :ref($^a) :offset($^b) }; say (DateTime.now + 365*24*60).in-years
camelia 0
Zoffix Something like that, but with correct math for everything
Is how I picture it
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phdphil Any suggestions on a use of $ which just alternates as a bool, i.e. True, False, True, False...? I've got ?($++%2) which just seems... long 12:10
Zoffix m: multi infix:<-> (DateTime:D \a, DateTime:D \b) is default { class Dura { has $.ref; has $.offset; method in-years { $!ref.year R- $!ref.later(:seconds($!offset)).year } }.new :ref(a) :offset(b.Instant - a.Instant) }; say (DateTime.now - DateTime.now.later: :2years).in-years 12:11
camelia 2
Zoffix Or this
phdphil: $++ %% 2
m: say (!0, !* … *).head: 100 12:12
camelia (True False True False True False True False True False True False True False True False True False True False True False True False True False True False True False True False True False True False True False True False True False True False True Fal…
Zoffix looks like META_REVERSE is messed up with fake infix colonpairs 12:13
m: class {}.new :foo(42 - 3)
camelia ( no output )
Zoffix m: class {}.new :foo(42 R- 3)
camelia Default constructor for '<anon|1>' only takes named arguments
in block <unit> at <tmp> line 1
phdphil Hmm %% seems good 12:14
Zoffix m: for ^10 { say state Bool $++ }
camelia False
True
True
True
True
True
True
True
True
True
Zoffix m: for ^10 { say state Bool $-- }
camelia False
False
False
False
False
False
False
False
False
False
Zoffix Oh right. Nm.
lizmat m: say (|(True,False) xx *).head(10) 12:16
camelia (True False True False True False True False True False)
Zoffix :)
m: say (|?«<0 1> xx *).head(10) 12:17
camelia (False True False True False True False True False True)
12:17 athenot left 12:18 athenot joined
Zoffix The `(!0,!*…*)` looks like a puffy kitten 12:19
12:24 wamba left 12:25 Zoffix left
jkramer Zoffix: That's why I deliberately only added units with fixed lenghts, not months/years. I only really wanted a way to format durations in a more human readable way. 12:26
How can I already get that functionality with Duration? 12:28
12:28 Zoffix joined
Zoffix jkramer: well, I mentioned that module... 12:28
jkramer: but your units aren't fixed. A minute can be 59 or 60 seconds long and you need to know *when* you're measuring to know which it is 12:29
m: DateTime.new("2016-12-31T23:59:59").later(:second).say 12:30
camelia 2016-12-31T23:59:60Z
Zoffix m: DateTime.new("2017-12-31T23:59:59").later(:second).say
camelia 2018-01-01T00:00:00Z
Zoffix Well, 60/61 seconds long; I meant the final second could be 59th or 60th 12:31
jkramer Hmm I only see the need for taking that into account when measuring the duration between two known points. I think for the purpose of displaying an amount of seconds in minutes it's safe to assume that a minute has 60 seconds :)
Zoffix Maybe for your project. But if you're going to make it core, you can't assume all projects will be just as lax. 12:32
12:32 vcv joined
jkramer Yeah ok I can live with my implementation not getting into core. :) I was just wondering why Duration was not offering any time-related functionality :) 12:33
Zoffix Dunno. The speculations mention duration, but only as a type that's returned from math on instants. Doesn't say anything about provided methods. 12:39
And it does say "Note that the Duration values are still just atomic time without any cultural deformations"
"Authors: Larry Wall" 12:40
You can ask TimToady about it when you see him next time :)
That was from S02 btw 12:42
synopsebot: S02
lazy robot 12:43
S02:1441
synopsebot Link: design.perl6.org/S02.html#line_1441
jkramer Zoffix: Well it's not that important to me, I was just hacking a little script that tells how many work hours are left till my vacation starts :D 12:46
Zoffix huggable: fc5 12:47
huggable Zoffix, nothing found
Zoffix buggable: fc5
buggable Zoffix, Far Cry 5 will be released in 6 days, 11 hours, 12 minutes, and 13 seconds
Zoffix buggable: source
buggable Zoffix, See: github.com/zoffixznet/perl6-buggable
jkramer In case someone else is in urgent need of such a script: dpaste.com/262TN26 12:48
Zoffix ^ that one is done by just `use Number::Denominate; "Far Cry 5 will be released in " ~ denominate Date.new("2018-03-27").DateTime - DateTime.now`
jkramer Zoffix: Oh you were referring to that module - I thought you meant Duration :) 12:50
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phdphil m: say '(|?«<0 1> xx *)'.chars 13:20
camelia 15
phdphil m: say '$++ %% 2'.chars 13:21
camelia 8
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cfa wakes 14:06
morning all
masak \o
14:14 pierre_ joined
AlexDaniel 🙋 14:15
cfa 🌊
AlexDaniel that's… not the right wave? :) 14:16
cfa okay okay, 🖖 14:19
14:22 Guest49 joined
buggable New CPAN upload: Config-1.3.3.tar.gz by TYIL cpan.metacpan.org/authors/id/T/TY/...3.3.tar.gz 14:31
14:32 mahafyi joined 14:33 khw joined
Geth doc: fa847b22c3 | cfa++ | doc/Language/modules.pod6
Markup bare links on modules.pod6.

Closes #1856.		 14:35
synopsebot Link: doc.perl6.org/language/modules
14:40 FROGGS joined 14:53 travis-ci joined
travis-ci Doc build passed. cfa 'Markup bare links on modules.pod6. 14:53
travis-ci.org/perl6/doc/builds/355882238 github.com/perl6/doc/compare/ddc0c...847b22c3fc
14:53 travis-ci left
jkramer Who's running the camelia instance here btw? 15:08
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moritz me, kinda 15:36
though it mostly runs itself
mspo in soviet russia camelia runs you 15:39
jkramer moritz: I found some kind of potential security flaw. Although it's probably a general rakudo thing I noticed it when setting up the bot in my own channel and you probably should know about it :) 15:41
El_Che first zero day!
moritz jkramer: you can tell me through private message 15:42
masak no no, we all want to know :>
moritz though there are known risks that we chose not to mitigate
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AlexDaniel mspo: if it's about RESTRICTED setting, then it's known that it does nothing 15:51
jkramer Yeah it was :)
AlexDaniel *ables don't even use it, because why bother if you can work around it so easily
but then *ables at least don't let you write to the filesystem… 15:52
still not secure at all though
in some sense it's a tradeoff between security and usefulness, e.g. you can restrict network access but then you won't be able to bisect certain things 15:53
mspo the go playground seems like it would be an intense target
jkramer Yeah well I guess you can't really make it secure and at the same time allow random people on the internet to execute random code on your server :) 15:54
AlexDaniel rkeval: say ‘Hello’ 15:55
perlbot AlexDaniel: Hello
AlexDaniel ↑ this bot is more secure IIRC, but it's bad in other ways
rkeval: say ‘Hello’; say ‘world’
perlbot AlexDaniel: Hello world
AlexDaniel rkeval: $*PERL.compiler.version 15:56
perlbot AlexDaniel: No output.
AlexDaniel rkeval: $*PERL.compiler.version.say
perlbot AlexDaniel: v2017.10
jkramer rkeval: $*PROGRAM.say 15:57
perlbot jkramer: "/tmp/e5ExbR5fL4".IO
jkramer rkeval: $*PROGRAM.slurp.say 15:58
perlbot jkramer: $*PROGRAM.slurp.say
15:58 athenot left
jkramer Looks like it has the same problems 15:59
15:59 athenot joined
AlexDaniel no? It just refused to do that 15:59
oh oops
didn't read it right
so it allowed you to slurp the contents of the program, so?
you can probably even explore the filesystem a little bit, no problem 16:00
jkramer Probably also delete itself and other stuff, I don't wanna try ;)
AlexDaniel it's in chroot jail, who cares? 16:01
El_Che wrap it in a container + vm
ah jail
Geth doc: 7cee3c66a1 | cfa++ | doc/Language/haskell-to-p6.pod6
Markup another bare link on the Haskell page.

As @AlexDaniel notes, we should create a test for this.		 16:04
synopsebot Link: doc.perl6.org/language/haskell-to-p6
AlexDaniel IIRC it should be doing syscall whitelisting also with seccomp
jkramer AlexDaniel: Is that jail setup stuff somewhere online? I want to run camelia in another channel but right now I'm too lazy to do the setup myself :) 16:05
AlexDaniel jkramer: github.com/perlbot/
“That's jumping too far with the conclusions. The charts only show people googling for it. For all we know they could be googling "what are my options if I hate perl 6"” 16:10
:'D
( www.reddit.com/r/perl6/comments/85..._in_china/ )
[Coke] cfa: regarding the test mentioned in 7cee3c66a1 - there's no easy way to tell using 'perl6 --doc' if a url has a L<> on it; I think you'd have to parse the POD of each page and instrospect the pod data object.
AlexDaniel Maybe that's not a problem, just process raw pod files? 16:11
like, in text format
cfa [Coke]: yeah
i mean, i caught the previous one with a naive grep
[Coke] AlexDaniel: also a possibility. 16:12
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AlexDaniel [Coke]: so what's the status of JJ currently? Did he start his grant work? 16:17
[Coke] Ask him 16:19
His grant was approved, funded, and he's been assigned a grant manager.
my expectation is that now we get monthly status reports.
I am concerned that he's not on IRC.
16:20 mcmillhj left
[Coke] (is he here?) 16:20
AlexDaniel no 16:21
Guest49 Hello, is there any difference between those regexes:
\/ < a b > /
rx/ <[a b]> / 16:22
(it’s the first time I’ve used irc, got pranked by the formatting)
[Coke] the rx makes me think you're asking about p5.
AlexDaniel m: say rx/abc/
camelia rx/abc/
[Coke] m: rx # ah 16:23
camelia 5===SORRY!5=== Error while compiling <tmp>
# not allowed as delimiter
at <tmp>:1
------> 3rx #7⏏5 ah
[Coke] m: rx ;# ah
camelia 5===SORRY!5===
Regex not terminated.
at <tmp>:1
------> 3rx ;# ah7⏏5<EOL>
Regex not terminated.
at <tmp>:1
------> 3rx ;# ah7⏏5<EOL>
Couldn't find terminator ; (corresponding ; was at line 1)
at <tmp>:1
------> 3rx ;…
[Coke] m: say rx
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared routine:
rx used at line 1
[Coke] (there, that's the error you get in the REPL. :) 16:24
cfa [Coke]: docs.perl6.org/language/regexes#in...onventions
[Coke] so, ignore me. :)
yup, thanks.
cfa Guest49: are you asking about <a b> vs. <[a b]> or the rx? 16:26
it's not clear what was misformatted
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Guest49 cfa < a b> vs <[a b]> 16:32
I’m not sure what the difference between the character class and the other thing is 16:33
for single characters
16:34 Zoffix joined
Zoffix jkramer: unless you plan on abusing the bot, you can just add your channel to this list and camelia will join it: github.com/perl6/evalbot/blob/mast...rg.conf#L2 16:35
16:35 mcmillhj left
Zoffix [Coke]: BTW, do you know if TPF received my grant proposal? 16:35
I forget when I sent it... some time last week I think 16:36
cfa won't <a b> try and use a named rule 'a b' here?
Guest49: a different w ay of saying /<[a b]>/ is /'a' | 'b'/ 16:37
that <a b> syntax means something else entirely
(or /a | b/)
Zoffix Guest49: first, spacing matters. <a b> and < a b> are different things. The first one is generally an error; `<a>` would call method "a" on the match object, which in Grammars would be some token <a>. `<a(1, 2, 3)>` would do the same but give some args; `<a b>` seems to parse as if "b" was an arg, but that might be just an uncaught error. The `< a b>` syntax, is a LTM (Longest token match) alternatives. 16:40
Similar to how you can do `my @a = <a b>; /@a/`. The alternatives will be tried and the longest one that matches will match. The `<[a b]>` is a character class. In this case, it'll match the same thing as <a b>, but, say <[a bc]> and < a bc> are different. The character class version would match either "a", or "b", or "c", while the LTM alternatives would match either "a" or "bc"
m: grammar { token TOP { <a b> }; method a($_) { .perl.say; exit } }.parse: "" 16:42
camelia ForeignCode.new
Zoffix m: grammar { token TOP { <a foobarber> }; method a($_) { .perl.say; exit } }.parse: ""
camelia ForeignCode.new
Zoffix m: grammar { token TOP { <a foobarber zef> }; method a($_) { .perl.say; exit } }.parse: ""
camelia Potential difficulties:
Space is not significant here; please use quotes or :s (:sigspace) modifier (or, to suppress this warning, omit the space, or otherwise change the spacing)
at <tmp>:1
------> 3grammar { token TOP { <a foobarb…
jkramer Zoffix: That won't work, it's a private/password-protected channel and on a different server. I actually had to hack password support into Bot::BasicBot to make it work :) 16:44
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Zoffix eco: GlotIO 16:44
buggable Zoffix, GlotIO 'Use glot.io API: pastebin allowing execution of code': github.com/zoffixznet/perl6-GlotIO
Zoffix Using ^ that API is also an option 16:45
Prolly 4 lines of code, with IRC::Client
(though I forget if IRC::Client supports joining private channels)
jkramer Oh nice, didn't know that existed. 16:46
Zoffix m: say grammar { token TOP { <a alpha> }; token a($_) { . { say $_(Match.^lookup("!cursor_init")(Match, "abc", :0c)) } } }.parse: "abc"
camelia #<failed match>
Nil
jkramer Zoffix: It should, I vaguely remember requesting channels passwords as a feature 1-2 years ago and it was implemented promptly :) 16:47
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stmuk Apropos "marketing" I see the most popular Amazon programming books are called "Learn $language in One Day and Learn It Well" 16:48
yoleaux 18 Mar 2018 03:41Z <Zoffix> stmuk: I updated the Star release guide with the new way to publish announcements on rakudo.org. There's a script that does everything or you can just commit a markdown file to perl6/rakudo.org repo manually. Site will pull the repo and update itself in a cronjob that runs every 5m: github.com/rakudo/star/commit/86d2...090745f8da
jkramer github.com/zoffixznet/perl6-IRC-Cl.../issues/18 :)
Zoffix cool 16:49
Filed the regex thing as R#1634
synopsebot R#1634 [open]: github.com/rakudo/rakudo/issues/1634 `/<a foo bar>/` parses, but is that a valid syntax?
cfa Zoffix: i don't think the ltm < a bc> case is on docs.perl6.org/language/regexes, unless i'm missing something? 16:52
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cfa its behaviour surprises me anyway 16:53
Zoffix No idea, I'm not very familiar with the docs.
Why?
cfa why does it surprise me? 16:54
Zoffix Yes.
< a b c > is a list in code. It makes sense that you can write it in regex to mean a list of things
cfa because i haven't seen it documented so i'd read < a bc> as <a bc> bu mistake
bu => by
Zoffix m: say < a b c >.^name
camelia List
Zoffix And the extra pedantic space-sensitivity is a property of the <> construct 16:55
cfa < a bc> vs. <a bc> is confusingly subtle
Zoffix m: say <1/2>.^name; say <1/2 >.^name
camelia Rat
RatStr
Geth doc: 66ad010a6b | (JJ Merelo)++ | doc/Language/grammars.pod6
Eliminates empty pod generator, closes #1854
synopsebot Link: doc.perl6.org/language/grammars
cfa i understand what's going on now but i didn't immediately read it as a list
16:56 sergot joined
[Coke] Zoffix: Yes, the form was submitted successfully. round isn't open yet, though. (slow start this month, next few days) 16:57
Zoffix [Coke]: cool. Thanks. 16:58
cfa hmm, i don't tihnk there's an example of using < > lists in regexes documented, either
Zoffix cfa: what about / @foo /? Prolly should go to the same place
cfa good idea, looking
Zoffix m: say "food" ~~ /||< foo food >/ 17:00
camelia ｢food｣
Zoffix I would've expected that to match "foo", but looks like the `|`/`||` modifiers don't apply to the `< .... >` list thing?
cfa Zoffix: i think the confusion is the (visual) overloading of <>s
Zoffix m: say "food" ~~ /||<{qw/foo food/}>/
camelia ｢foo｣
cfa Zoffix: (to clarify where i'm coming from)
Zoffix m: my @a = <foo food>; say "food" ~~ /||@a/
camelia ｢foo｣
Zoffix cfa: yeah, I know. AlexDaniel says it shouldn't even exist :) 17:01
cfa :)
Zoffix m: say <1.42+1.42i>.^name; #`(Complex); say <1/Inf+1/Inf\i>.^name; #`(ComplexStr) 17:03
camelia Complex
ComplexStr
Zoffix even though both should be Complex, based on the rules we managed to figure out: "if you have to use an operator to make that number without `< >`, and you didn't use any whitespace, then you get a normal Numeric, not an allomorph 17:04
m: .^name.say for <1.2>, <1.2*10>, <1.2*10**10> 17:05
camelia RatStr
Str
RatStr
Zoffix No wait
m: .^name.say for <1/2>, <1/2*10>, <1/2*10**10>
camelia Rat
Str
RatStr
Zoffix Three different types :)
17:06 darutoko left
Zoffix m: say <1/2×10¹⁰>.^name 17:06
camelia Str 17:07
cfa github.com/perl6/doc/issues/1857
(don't have time to get to this now)
Zoffix And that don't even work, even tho it's equivalent to the ASCII version
m: say [1/2×10¹⁰, 1/2*10**10]
camelia [5000000000 5000000000]
Zoffix m: say <½>.^name
camelia Str 17:08
Zoffix m: say ½
camelia 0.5
Zoffix Yeah, it's all over the place. I think one day I'll pick it apart and consistify everything :)
cfa :) 17:09
17:10 robertle left
AlexDaniel or, you know… just leave it out 17:12
:)
17:12 wamba left
Zoffix :) 17:13
17:13 Zoffix left, travis-ci joined
travis-ci Doc build failed. JJ Merelo 'Eliminates empty pod generator, closes #1854' 17:13
travis-ci.org/perl6/doc/builds/355950356 github.com/perl6/doc/compare/7cee3...ad010a6b4c
17:13 travis-ci left
buggable [travis build above] ☠ Did not recognize some failures. Check results manually. 17:13
17:16 pharv joined
Ulti if I want to track down a segfault running on MoarVM is there a nice little set of instructions somewhere on getting all the right debug and logging going? 17:17
AlexDaniel MasterDuke dogbert11 timotimo ↑ 17:18
cfa AlexDaniel: sorry, should've just reopened that issue 17:20
(the commit closed the original, which was probably overkill)
AlexDaniel well, initially it didn't ask for tests
so again, you did everything right 17:21
but I really want to get this point across to JJ that you can't just close an issue with a hope that it will be handled by somebody else
buggable New CPAN upload: App-Assixt-0.2.1.tar.gz by TYIL cpan.metacpan.org/authors/id/T/TY/...2.1.tar.gz
AlexDaniel not that he is wrong, that's how it works in some projects… just not here 17:22
or so I think
cfa ack
17:32 dakkar left 17:35 scimon left 17:42 bwisti joined
[Coke] zoffix, thanks for the poke, posted the RFP 17:45
17:48 espadrine joined 17:57 cdg left 17:58 mr_ron joined, Zoffix joined
Zoffix [Coke]: thanks. 17:58
Ulti: there's a convo that describes the process: irclog.perlgeek.de/perl6-dev/2018-...i_15843310 17:59
If you're using Z-Script, you can just run `z md` to re-build MoarVM with debug symbols and then you'd just run your segfaullting script with ./perl6-gdb-m
huggable: zscript 18:00
huggable Zoffix, Helper script for Rakudo Perl 6 core development: github.com/zoffixznet/z
Geth whateverable: 557f0b59dd | (Aleks-Daniel Jakimenko-Aleksejev)++ | META6.json
Fix license field in META6.json

According to spdx.org/licenses/ “AGPL-3.0” identifier is deprecated, and for a good reason. Changed it to “AGPL-3.0-or-later”.
Note that this is not relicensing, the code already comes with “or later” clause in a header of every source file. It is merely making META6.json file consistent with the reality.
Zoffix Or manually, in MaortVM checkout, run: perl Configure.pl --debug --no-optimize --prefix=../../install/ where prefix is where it's installing at (the ../../install is if you autobuilt it with rakudo's build step)
18:01 Zoffix left
mr_ron r: gist.github.com/ronaldxs/748362a36...eca9187c30 18:01
camelia 1..3
ok 1 -
not ok 2 -
# Failed test at <tmp> line 20
ok 3 -
# Looks like you failed 1 test of 3		 18:02
1..3
ok 1 -
not ok 2 -
# Failed test at <tmp> line 20
ok 3 -
# Looks like you failed 1 test of 3
mr_ron Looks like bug - could someone please verify ... thx
18:19 mahafyi left 18:22 khisanth__ left 18:23 wamba joined
mr_ron m: gist.github.com/ronaldxs/748362a36...eca9187c30 # more complete test code 18:23
camelia 5===SORRY!5=== Error while compiling <tmp>
Confused
at <tmp>:1
------> 3https:7⏏5//gist.github.com/ronaldxs/748362a36fd85
expecting any of:
colon pair
mr_ron m: gist.github.com/ronaldxs/748362a36...eca9187c30 18:24
camelia 1..4
ok 1 - test with default ws
not ok 2 - test with custom ws
# Failed test 'test with custom ws'
# at <tmp> line 21
not ok 3 - adding $ on top of <|w> should be same
# Failed test 'adding $ on top of <|w> should be same'
# at <tmp> li…
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Geth doc: ca78a22663 | (JJ Merelo)++ | 3 files
Closes #1845 by rearranging documentation a bit
 18:41
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buggable New CPAN upload: App-Assixt-0.2.2.tar.gz by TYIL cpan.metacpan.org/authors/id/T/TY/...2.2.tar.gz 19:11
New CPAN upload: Algorithm-Evolutionary-Simple-0.0.2.tar.gz by JMERELO cpan.metacpan.org/authors/id/J/JM/...0.2.tar.gz
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Geth doc: 42165a4138 | (JJ Merelo)++ | doc/Language/traps.pod6
Added trap about the (ab)use of $/

Hope this closes #1853. If it does not, or it should be moved somewhere else, feel free to re-open or to suggest something.		 19:29
synopsebot Link: doc.perl6.org/language/traps
19:33 mudman joined 19:36 domidumont left, domidumont joined 19:38 domidumont left 19:39 daxim left 19:40 daxim joined 19:41 JMERELO joined
JMERELO Hi 19:42
El_Che hi jj
JMERELO Hi, @El_Che 19:43
Just made a small, tiny even, change to doc pages... Check out here to see if you notice docs.perl6.org/routine/, 19:44
;-)
AlexDaniel o/ 19:45
JMERELO Hi, Alex!
Spent a good amount of time this afternoon with the Grammar warning... 19:47
AlexDaniel JMERELO: I'm wondering, have you started the grant work already? (or are these just typical contributions)
JMERELO: and also, who's your grant manager?
Geth doc: 21bca9870d | cfa++ | doc/Language/traps.pod6
Remove trailing whitespace; pass tabs.t.
 19:48
synopsebot Link: doc.perl6.org/language/traps
19:48 travis-ci joined
travis-ci Doc build failed. JJ Merelo 'Added trap about the (ab)use of $/ 19:48
travis-ci.org/perl6/doc/builds/356021084 github.com/perl6/doc/compare/ca78a...165a4138c1
19:48 travis-ci left
buggable [travis build above] ☠ Did not recognize some failures. Check results manually. 19:48
JMERELO I couldn't figure out why X<whatever|declarator,grammar> failed
@AlexDaniel to tell you the truth, I don't know.
Last thing I knew is Will Coleda was trying to find a manager for the grant 19:49
mr_ron last call on gist before filing RT ... 19:50
JMERELO Maybe I'm just unmanageable :-)
cfa hey JMERELO 19:51
JMERELO @AlexDaniel so I guess that answers your second question.
hey @cfa!
AlexDaniel [Coke]: you said that the grant manager was assigned, maybe JJ should know about it? :)
JMERELO @cfa sorry about the tab stuff. I just got carried... I should have checked. 19:52
AlexDaniel [Coke]: also, hey, he's here! 19:53
JMERELO @AlexDaniel Yep, not too fond of IRC myself... Just installed weechat to do it a tiny bit more often 19:54
AlexDaniel JMERELO: that'd be really nice, yes
19:54 khw left
JMERELO @AlexDaniel definitely will do it when the grant starts officially. 19:54
AlexDaniel thanks! 19:55
JMERELO So, no problem with the small, tiny change? :-) docs.perl6.org/routine/, 19:56
Also, I couldn't figure out wy X<Whatever|declarator,grammar> caused htmlify to bail out. 19:57
AlexDaniel the change that it's now wrapped in <code>? Of course not a problem, how could it possibly be a problem? :) 19:58
that I don't know unfortunately
JMERELO @AlexDaniel also took out the comma. Before it said "documentation for infix ,,". I didn't like that :-) 19:59
AlexDaniel right
JMERELO @AlexDaniel the problem was that it only worked if it said something like |class,Grammar;declarator,grammar>. 20:00
AlexDaniel mr_ron: looks correct to me
JMERELO That was generating an empty "type/Grammar.html" page that was then wiped out when the real one was created. But if you didn't include that class declaration, it failed.
that was the only instance, as far as I have been able to find out, of using `class` inside X. It apparently generates a type/whatever page. Problem is, Grammar was generated elsewhere. 20:01
AlexDaniel mr_ron: look: 20:02
m: grammar TestWithSemi { rule TOP {^<ps>$}; rule ps { ‘photo’ ‘shop;’}; }; grammar TestWithSemi_1 is TestWithSemi { token ws { \s+ || <|w> } }; say TestWithSemi_1.parse(‘photo shop;’);
camelia ｢photo shop;｣
ps => ｢photo shop;｣
AlexDaniel m: grammar TestWithSemi { rule TOP {^<ps>$}; rule ps { ‘photo’ ‘shop;’ }; }; grammar TestWithSemi_1 is TestWithSemi { token ws { \s+ || <|w> } }; say TestWithSemi_1.parse(‘photo shop;’);
camelia Nil
AlexDaniel according to the docs: “When rule instead of token is used, any whitespace after an atom is turned into a non-capturing call to ws, written as <.ws> where . means non-capturing” 20:03
so you have ‘shop;’ and whitespace after it, so there's an implied <.ws>
it's a bit weird I know :S but it does what the docs say
mr_ron: maybe instead of filing a rakudobug you should file a doc ticket demanding to mention this little aspect in the docs 20:04
maybe in traps even
or, I don't know, FAQ? It's the first time I see this question though 20:05
JMERELO @AlexDaniel I just opened the Grammars section for traps 20:06
AlexDaniel yeah I've seen that :)
JMERELO :-)
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travis-ci Doc build passed. cfa 'Remove trailing whitespace; pass tabs.t.' 20:07
travis-ci.org/perl6/doc/builds/356028974 github.com/perl6/doc/compare/42165...bca9870db6
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JMERELO so yes, that could go to the traps section 20:07
mr_ron just got back ... 20:08
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AlexDaniel m: grammar WsTest { rule TOP { ‘ink’ ‘scape;’ }; token ws { \s+ || <|w> } }; say WsTest.parse(‘ink scape;’); 20:12
camelia Nil
AlexDaniel m: grammar WsTest { rule TOP { ‘ink’ ‘scape;’}; token ws { \s+ || <|w> } }; say WsTest.parse(‘ink scape;’);
camelia ｢ink scape;｣
AlexDaniel golfed a little bit
JMERELO Leaving now 20:14
See you!
AlexDaniel 🙋
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mr_ron AlexDaniel: how come it behaves differently with the default <ws>? 20:18
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_jg_ perl manual, very basic tutorial? 20:19
moritz _jg_: greenteapress.com/wp/think-perl-6/ 20:20
_jg_ what is this, reddit?
helloWorld.pl
moritz reddit looks different :-)
El_Che # Administrator account unlocked. Please type your command... 20:21
_jg_ uglier
AlexDaniel m: grammar WsTest { rule TOP { ‘ink’ ‘scape;’ }; token ws { <!ww> } }; say WsTest.parse(‘ink scape;’);
camelia Nil
_jg_ reddit is uglier
El_Che # command not found!
AlexDaniel m: grammar WsTest { rule TOP { ‘ink’ ‘scape;’ }; token ws { <!ww> \s* } }; say WsTest.parse(‘ink scape;’);
camelia ｢ink scape;｣
AlexDaniel mr_ron: well default ws is here I think: github.com/perl6/nqp/blob/a2f66567...qp#L59-L68 20:22
or is it the other one?
mr_ron m: grammar WsTest { rule TOP { ‘ink’ ‘scape;’ }; say WsTest.parse(‘ink scape;’); 20:23
camelia 5===SORRY!5=== Error while compiling <tmp>
Missing block
at <tmp>:1
------> 3ape;’ }; say WsTest.parse(‘ink scape;’);7⏏5<EOL>
mr_ron m: grammar WsTest { rule TOP { ‘ink’ ‘scape;’ } }; say WsTest.parse(‘ink scape;’);
camelia ｢ink scape;｣
mr_ron Perhaps the different behavior by the default might be worth documenting? 20:24
AlexDaniel mr_ron: that's another doc issue – “what's the default <ws>?”
mr_ron: basically yes, but it's not different, it's just that <ws> is defined differently 20:26
like there's nothing special about the default ws, except that it's completely different from what you'd expect :)
kinda
mr_ron perhaps add this as note to issue #1729 github.com/perl6/doc/issues/1729 20:27
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AlexDaniel do it 20:32
mr_ron m: grammar WsTest { regex TOP {:s ‘ink’ ‘scape;’}; token ws { \s+ || <|w> } }; say WsTest.parse(‘ink scape;’); 20:33
camelia ｢ink scape;｣
mr_ron m: grammar WsTest { regex TOP {:s ‘ink’ ‘scape;’ }; token ws { \s+ || <|w> } }; say WsTest.parse(‘ink scape;’);
camelia Nil
mr_ron I think the sigspace paragraph on this might be a bit clearer docs.perl6.org/language/regexes#Sigspace . I was probably thrown off by the examples in that section. 20:38
Perhaps some clarification about the second example in the paragraph "Where whitespace in a regex turns into <.ws> depends ... " 20:39
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mr_ron will add these ideas to doc issue #1729 if no objection 20:44
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mr_ron m: say so "I used a photo shop " ~~ m:i:s/ photo shop /; 20:57
camelia True
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ghdke m: class A { has $.x is rw; method ass ($x) { $!x = $x }; method pr { say $!x } }; my @b = (A.new xx 5); (@b.map: *.x) = (1, 2, 3, 4, 5); @b.map: *.pr; 22:59
camelia Cannot modify an immutable Seq (((Any) (Any) (Any) (...)
in block <unit> at <tmp> line 1
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ghdke class A { has $.x is rw; method ass ($x) { $!x = $x }; method pr { say $!x } }; my @b = (A.new xx 5); (@b.map: *.x).List = (1, 2, 3, 4, 5); @b.map: *.pr; 22:59
evalable6 1
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ghdke m: class A { has $.x is rw; method ass ($x) { $!x = $x }; method pr { say $!x } }; my @b = (A.new xx 5); (@b.map: *.x).List = (1, 2, 3, 4, 5); @b.map: *.pr; 23:00
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ghdke why a Seq cannot do the magic on the left hand side?
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ghdke m: class A { has $.x is rw; method ass ($x) { $!x = $x }; method pr { say $!x } }; my @b = (A.new xx 5); (@b.map: *.x) = (1, 2, 3, 4, 5).Seq; @b.map: *.pr; 23:04
camelia Cannot modify an immutable Seq (((Any) (Any) (Any) (...)
in block <unit> at <tmp> line 1
ghdke m: class A { has $.x is rw; }; my @b = (A.new xx 5); (@b.map: *.x).List = (1, 2, 3, 4, 5); @b.map: *.x.say;
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ghdke m: class A { has $.x is rw; }; my @b = (1, 2, 3, 4, 5).map: A.new(x => *); @b.map: *.x.say; 23:06
camelia Cannot resolve caller map(List: A); none of these signatures match:
($: Hash \h, *%_)
(\SELF: &block;; :$label, :$item, *%_)
in block <unit> at <tmp> line 1
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ghdke m: class A { has $.x is rw; }; my @b = (1, 2, 3, 4, 5).map: { A.new(x => $_) }; @b.map: *.x.say; 23:06
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mr_ron m: ""~~/<ws>*/ # mwahaha 23:36
camelia (timeout)
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ghdke m: class A { has $.x is rw; }; my @b = (A.new xx 5); (@b.map: *.x) = (1, 2, 3, 4, 5).Seq; @b.map: *.x.say; 23:43
camelia Cannot modify an immutable Seq (((Any) (Any) (Any) (...)
in block <unit> at <tmp> line 1
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AlexDaniel mr_ron: yeah, you can do that on any zero-width thingie 23:51
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