»ö« Welcome to Perl 6! | perl6.org/ | evalbot usage: 'perl6: say 3;' or rakudo:, niecza:, std:, or /msg camelia perl6: ... | irclog: irc.perl6.org | UTF-8 is our friend!
Set by sorear on 25 June 2013.
timotimo hm. so if you have winner $channel { you can just write more * and done * 00:03
i guess that's okay, too ... 00:04
i can see where the want for an argument-enabled version of winner comes from in regards to channels
jnthn I think that only one of the blocks should ever fire.
In a single call to winner
00:04 berekuk left
jnthn s/call to/use of/ given the new syntax I guess :) 00:05
That's kinda the point.
timotimo er yes
with "can fire as well" i meant "are eligible, as well"
jnthn Otherwise you don't have a single result to give back...
Oh, sorry
Then what you said makes sense. :)
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jnthn To clarity one thing 00:06
If you have a more and a done on a single channel
Then the mroe always takes precedence
It kinda "has to" if you implement it right anyway. 00:07
timotimo i wasn't aware i could be in a situation where the channel is both closed and could supply another value
jnthn No, you aren't, but it's possible to implement it wrongly and make it look like you are :)
*can't
*can
gah ;)
timotimo i'm not sure i understand. will i have to sort the given blocks so that "more" always comes before the corresponding "done"? 00:08
jnthn No, you don't
The main thing is that you don't see what is possible, then pick at random
You pick a random order to consider the things
And then take the first one that matches from that randomized ordering.
timotimo to prevent starvation, or something? 00:09
jnthn Yeah, that kind of thing.
timotimo that makes it simpler to implement at least
jnthn The wrong way to do it is to see what's possible then pick from them 00:10
As that promises races.
timotimo but just by looking at a channel's has_value and closed or whatever they may be called, i wouldn't do it wrong, right?
ah. i randomize, go through the list and the first one that's possible i take
jnthn No, there's no has_value
that would be a race condition if there was
YOu cannot assume you are the only one receiving from the channel.
timotimo ah, because someone else could go in and snatch the value after i figured out it had one 00:11
jnthn So you .poll it, which gives you a value if it can, and then you use it if you get it.
timotimo what does poll do if there's no value?
jnthn Nil
timotimo good
i can work with that.
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jnthn Suggestion: work on implementing a WINNER thingy outside of the setting and getting that going, and then put it in the setting and wire it up to the syntax by writing the grammar/actions. 00:12
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jnthn It's probably less frustrating than trying to develop it in the setting :) 00:13
timotimo sure thing. that'll give me a good turnaround time
or i could interleave work on the grammar part and the out-of-setting implementation :P
jnthn y^Haye
Well, also that :)
Lemme know if you run into any question along the way
timotimo hm, except i need a running rakudo-jvm to test the stuff
surely will
timotimo started a quest on questhub 00:14
jnthn I'll be about on IRC plenty the next 3 days, even if on 2 of them I'll need to mostly focus on $dayjob things (I hope no more than 2). So I'll be happy to answer anything. :) 00:15
timotimo gotcha
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timotimo i'm glad i can pick something doable off your plate :P 00:16
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jnthn :) 00:16
timotimo i've got a signature kind of like sub WINNER(@win_args, *@pieces, :$wild_done, :$wild_more, :$later) in mind 00:25
see anything obviously wrong with that? 00:26
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jnthn How do you know which pieces are done/more? 00:26
timotimo @pieces will be a list of three items each 00:27
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jnthn ah, k 00:28
Then yeah, makes sense, I think. 00:29
timotimo say, the arguments that get passed only really matter if there are wildcards, right?
jnthn ?
Arguments passed to the blocks?
timotimo the arguments between winner and {
yes
er, to the one block i meant
jnthn Oh, those only matter for wild card 00:30
I *think*
timotimo good :)
jnthn Worth checking with TimToady what he was thinking, though
TimToady hmm?
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jnthn uh-oh :D 00:30
TimToady: winner $p1, $p2 { more $p1 { }; more $p2 { } } 00:31
TimToady: In this case, is it OK to write:
TimToady: winner { more $p1 { }; more $p2 { } }
TimToady: That is, the things you put after winner only matter for the more * / done * cases?
TimToady true, but there could also be mixed cases; I suppose we could intuit it when there is no beginning list 00:32
but I don't think we should allow a partial list, either all or nothing
jnthn What's the design motivation for the up-front list, aside from allowing * ? 00:33
TimToady at some point, if we end up naming all our channels, we might allow a tag that merely identifies which one of the list we mean, but for now it's just the $p1
timotimo if we have a partial list, the extra done's/more's kind of act like the "later" in other cases
TimToady which is a little weird, since it's kinda container identity
jnthn Yeah... 00:34
I'm also wondering what if you
winner $p1, $p2 { more $p1 { } } # no mention of $p2
timotimo if there's no later, what do i do? return Nil? 00:35
TimToady we have to decide if the redundancy is a feature; I think with complicated things it's better to have a list up front
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TimToady I'm still not quite sure a 'later' case is the right approach, rather than just a different keyword 'winnermaybe' or some such 00:36
pollwinner 00:37
though a later case allows us to choose what gets returned
dalek kudo-star-daily: a969465 | coke++ | log/ (5 files):
today (automated commit)
kudo-star-daily: 26d6ece | coke++ | log/ (5 files):
today (automated commit)
rl6-roast-data: 587cf1c | coke++ | / (5 files):
today (automated commit)
rl6-roast-data: 1610d45 | coke++ | / (4 files):
today (automated commit)
rl6-roast-data: 6826ae8 | coke++ | / (4 files):
today (automated commit)
00:38 berekuk left
jnthn *nod* 00:39
OK, heading afk for the evening
'night
TimToady o/
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timotimo i think i'll start implementing tomorrow 00:46
gnite!
TimToady o/ 00:47
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dalek p: a4637f9 | dwarring++ | examples/rubyish/ (3 files):
rubyish quicksort tidy, etc
 01:42
p: cf04d56 | dwarring++ | docs/ops.markdown:
ops doco typo
 01:43
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k-ray BEGIN { @*INC.push("{ $?FILE.match('.*/') }lib") } # What is the recommended way to do this? 02:18
preflex k-ray: you have 1 new message. '/msg preflex messages' to read it.
colomon k-ray: what are you trying to do with that? 02:22
k-ray colomon: be able to load modules from the lib directory alongside my script 02:23
e.g. 'use Bar' from foo/foo.p6 should load foo/lib/Bar.pm6 02:24
colomon r: say "foo/foo.p6".path.directory 02:26
camelia rakudo-parrot 087165, rakudo-jvm 087165: OUTPUT«foo␤»
colomon r: say "foo.p6".path.directory
camelia rakudo-parrot 087165, rakudo-jvm 087165: OUTPUT«.␤»
k-ray ah, cool...that at least knocks the regex part out 02:27
colomon so… $?FILE.path.directory ~ "/lib"
k-ray so there's no 'use lib' or equivalent? just manipulate @*INC directly from within a BEGIN block? 02:28
colomon … maybe a use lib now? It wasn't there last time I checked, I don't think.
honestly, usually I just use perl6 -Ilib for working with libraries. :) 02:29
try use lib, rakudo seems to recognize it.
k-ray I tried it earlier, was getting something like a "Null PMC" error 02:30
geekosaur mhhh. you should not be seeing those 02:31
k-ray ah...I find it difficult to tell when the problem is me or it :)
geekosaur that's part of the problem; it's an abstraction leak from the underpinnings of rakudo, which should be catching it and telling you what's actually wrong 02:32
k-ray use lib $?FILE.path.directory ~ '/lib'; # works 02:33
colomon \o/
k-ray use lib "{ $?FILE.match('.*/') }lib"; # Null PMC
colomon rakudobug 02:34
dunno if it's already in RT or not
r: my $a = "foo/foo.pl"; say "{ $a.match('.*/') }lib"; # Null PMC 02:36
camelia rakudo-parrot 087165, rakudo-jvm 087165: OUTPUT«lib␤»
colomon r: my $a = "foo/"; say "{ $a.match('.*/') }lib"; # Null PMC
camelia rakudo-parrot 087165, rakudo-jvm 087165: OUTPUT«lib␤»
colomon r: my $a = "foo.pl"; say "{ $a.match('.*/') }lib"; # Null PMC
camelia rakudo-parrot 087165, rakudo-jvm 087165: OUTPUT«lib␤»
k-ray the matching part works fine, it's when I pass it to use lib instead of pushing it onto @*INC that the error occurs 02:37
iow, my original line, BEGIN { @*INC.push("{ $?FILE.match('.*/') }lib") }, also works 02:38
colomon ah 02:41
weird
diakopter . 02:43
k-ray I'll just report it and move on...my question is answered, either way. thanks!
colomon k-ray++ 02:45
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k-ray :) what is all this ++ing anyway? is there a bot hanging around keeping score for everyone? or just a cultural convention? 02:50
geekosaur there's a couple of karmabots in here, but it is indeed cultural 02:52
diakopter colomon+- 02:53
BenGoldberg preflex: karma k-ray 02:55
preflex k-ray: 3
japhb_ I wonder if the karma bots are smart enough to combine 02:56
BenGoldberg $bot.comb ?
japhb_ preflex: karma japhb japhb_ japhb__ japhb__ (Geoffrey Broadwell)
preflex japhb japhb_ japhb__ japhb__ (Geoffrey Broadwell) has no karma
japhb_ preflex: karma japhb
preflex japhb: 444
japhb_ preflex: karma japhb_
preflex japhb_: 7
colomon japhb: I don't think so.
japhb_ preflex: karma japhb__
preflex japhb__: 4
japhb_ preflex: karma japhb___
preflex japhb___ has no karma
japhb_ preflex: karma Geoffrey Broadwell 02:57
preflex Geoffrey Broadwell: 64
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japhb_ rp: say 444 + 7 + 4 + 64 02:57
camelia rakudo-parrot 087165: OUTPUT«519␤»
japhb_ Well, hey, halfway to 4 digits.
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BenGoldberg I always get a kick out of: 02:58
preflex: karma C
preflex C: 203939
k-ray lol
japhb_ Though with all the bot churn over the years, who knows what the current value would be by now.
colomon preflex: karma Solomon Foster
preflex Solomon Foster: 411
japhb_ preflex: karma colomon 02:59
preflex colomon: 276
japhb_ preflex: karma Geoff Broadwell
preflex Geoff Broadwell: 1
japhb_ Heh. Must have it different somewhere
02:59 colomon left
BenGoldberg preflex: karmabot 03:01
preflex <: -48438; -: -37205; <-: -7448; <!: -1308; <--: -1073; ~: -1036; --: -762; -rw-r--r: -652; debian: -622; ^: -485
japhb_ wonders who hates debian so much 03:02
BenGoldberg was thinking the same thing
I mean, the others are obviously from code
preflex: karmatop
preflex c: 203939; g: 9916; ##c: 7923; c/c: 7221; moritz: 5202; whiteknight: 4931; bacek: 4624; jnthn: 4573; notepad: 4391; #c: 3787 03:03
japhb_ Go moritz!
Not that whitenight, bacek, and jnthn are slouching, mind you. :-)
BenGoldberg I wonder what channels preflex hangs out on? Is notepad really that awesome, or is there someone out there with that nick on another channel that preflex watches? 03:04
k-ray notepad++ is a popular free windows text editor 03:05
BenGoldberg Not that I've got anything against the notepad program, but it seems silly to ++ it
There's a ++ version of it?
geekosaur yes
k-ray notepad-plus-plus.org/ 03:06
lambdabot Title: Notepad++ Home
geekosaur is amused that the first completion google came up with was "notepad++ mac" --- uh, no
03:06 colomon joined
colomon preflex: karma Solomon Foster 03:06
preflex Solomon Foster: 411
colomon eh, not bad 03:07
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grondilu www.amd.com/us/press-releases/Pages...al14543734 <-- I'd love to try some parallel programming in Perl 6 with this kind of stuff 03:16
.oO( though I would probably not write anything interesting nor powerful, but I like to dream I would )
 03:17
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lue
.oO(maybe this one'll have a working OpenCL implementation *grumble*...)
 03:18
grondilu not sure what you mean. The article says that the card will be "optimized for use with the OpenCL™ compute programming language" 03:22
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geekosaur that would mean their past attempts at opencl sucked 03:24
lue geekosaur: according to Blender Cycles, their past attempts have indeed been terrible :) 03:26
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grondilu an interesting comment about precisely this on reddit: www.reddit.com/r/technology/comment...rd/cdgt7u1 03:36
lambdabot Title: iDeNoh comments on AMD announces first "Supercomputing" graphics card with 12..., tinyurl.com/njseqxm
grondilu "Say AMD finally fixes their openCL compiler, then blender finally completes the opencl implementation of cycles, then you have a 12GB buffer to work with, you can perform insane renders at good speeds not having to worry as much about texture usage as the card had a big enough buffer space to handle it. " 03:37
sounds exciting
lue grondilu: I was positive I'm not the only one who hears news like that and thinks "does this mean OpenCL works for Cycles now?" :) Only bad part is that it doesn't necessarily help those who can't buy the new card... 03:41
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BenGoldberg So will the next perl6 be written in OpenCL? :) 03:53
Err, the next perl6 backend 03:54
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grondilu lue: oh yeah these stuff are much more expensive than I thought. The 6Go version is currently available for $4,200: www.amazon.com/FirePro-S10000-GDDR5...%A2+S10000 04:13
lambdabot Title: Amazon.com: AMD FirePro S10000 6GB GDDR5 PCI-E Workstation Graphics Card: Com..., tinyurl.com/ln5ucy8
04:13 preflex_ joined, ChanServ sets mode: +v preflex_ 04:14 preflex left
grondilu BenGoldberg: well, hopefully with the team getting used to implement Perl 6 on moar and moar backends, adding one in OpenCL should be easy. Though I guess I'm being way too optimistic here. 04:14
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dalek d: 065efb7 | larry++ | STD.pm6:
define winner, combine, etc. as normal blocks

For the moment I'm assuming semantic analysis will rule out malformed blocks.		 05:54
ecs: c3fa8ea | larry++ | S17-concurrency.pod:
remove sig collision with placeholders
 05:56
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FROGGS morning 07:56
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timotimo mroing 10:28
10:29 adam7504 left
moritz who is that mr. oing? 10:29
colomon "It seems like colomon is—or should be—friends with Moritz Lenz. With this in mind, it's worth noting that Moritz has a more consistent weekly schedule. There is also an obvious connection between colomon and Tobias Leich, dagurval, Will Coleda, and Siddhant Saraf." -- osrc.dfm.io/colomon 10:30
moritz++ 10:31
moritz colomon++
FROGGS aww
FROGGS has tears in his eyes
:o)
brrt that is freaky 10:33
moritz it kinda reminds me of what TimToady++ said about me when we first met in Pisa: "one of the best friends I never met"
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timotimo timo is an exceptional Perl coder (one of the 24% most active Perl users) - wat. 10:35
it's time github learns to differentiate perl from perl6 10:36
hoelzro timotimo: amen 10:37
moritz timotimo: I wonder if it counts commits twice that were brought into a branch by merging another branch, or something
hoelzro is still waiting on that linguist PR
brrt i'm a javascript dude apparantly
hoelzro if anyone wants to +1: github.com/github/linguist/pull/750 10:38
moritz 'cause it counts as one of the 7% most active perl users, and frankly that can't be true.
timotimo travis-ci.org/github/linguist/builds/13195445 - maybe you can figure this out, hoelzro? 10:40
/home/travis/build/github/linguist/lib/linguist/language.rb:240:in `initialize': Perl6 is missing lexer (ArgumentError)
hoelzro ugh
that's because they don't have the most recent version of pygments.rb
moritz also it probably says one is a heck of a PIR coder when one updates the nqp-p bootstrap :-)
timotimo blergh
jnthn "Jonathan is a fulltime hacker who works best late at night (around 11 pm)."
timotimo also interesting: /home/travis/build/github/linguist/lib/linguist/language.rb:240:in `initialize': Inno Setup is missing lexer (ArgumentError)
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moritz hoelzro: maybe add that as a comment to the pull request 10:41
jnthn haha...that bit's accurate
hoelzro good idea!
moritz it's funny when they characterize your hobby as a fulltime pursuit :-)
colomon indeed 10:42
okay, my first dumb question for the morning is: who is Siddhant Saraf? name sounds familiar...
moritz colomon: I remember seeing a related nick in here, but I can't recall who it is 10:43
(and maybe if he changed nick, or something)
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FROGGS moritz: I was once a 6% most active perl user :o) 10:46
moritz FROGGS: let's start some percentile wars! :-)
FROGGS moritz: np, I'll hack on S11, you? 10:47
moritz FROGGS: I'll hack on the percentiles :-) 10:49
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moritz doesn't have the energy to take on a p6 project atm 10:50
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jnthn FROGGS: "I was once a 6% most active perl user" ... but then you took a -> to the knee? :) 10:52
Ulti colomon: I also got 'Siddhant Saraf' in my report... and I don't recognise any of the people in my report card :S 10:54
moritz r: use lib $?FILE.path.directory ~ '/lib';
camelia ( no output )
moritz r: use lib "$?FILE.path.directory()/lib";
camelia ( no output ) 10:55
moritz r: use lib "$?FILE.path.directory()/lib"; say @*INC.pelr
camelia rakudo-parrot 087165: OUTPUT«No such method 'pelr' for invocant of type 'Array'␤ in block at /tmp/Xwaner7r4Y:1␤ in any at /tmp/Xwaner7r4Y:1␤ in any at gen/parrot/stage2/NQPHLL.nqp:1146␤ in any eval at gen/parrot/stage2/NQPHLL.nqp:1133␤ in any evalfiles at gen/parro…»
..rakudo-jvm 087165: OUTPUT«No such method 'pelr' for invocant of type 'Array'␤ in block at /tmp/LE_xYWMkmz:1␤ in any eval at gen/jvm/stage2/NQPHLL.nqp:1086␤ in any evalfiles at gen/jvm/stage2/NQPHLL.nqp:1292␤ in any command_eval at gen/jvm/stage2/NQPHLL.nqp:1196␤ in a…»
moritz r: use lib "$?FILE.path.directory()/lib"; say @*INC.perl
FROGGS moritz: siddhant contributed to moritz/json, that is all I can see
camelia rakudo-parrot 087165: OUTPUT«Array.new("/tmp/lib", "/home/p6eval/rakudo-inst-1/lib/parrot/5.9.0-devel/languages/perl6/site/lib", "/home/p6eval/rakudo-inst-1/lib/parrot/5.9.0-devel/languages/perl6/vendor/lib", "/home/p6eval/rakudo-inst-1/lib/parrot/5.9.0-devel/languages/perl6/lib", "…»
..rakudo-jvm 087165: OUTPUT«Array.new("/tmp/lib", "/home/p6eval/rakudo-inst-2/languages/perl6/runtime", "/home/p6eval/rakudo-inst-2/languages/perl6/lib", "/home/p6eval/rakudo-inst-2/languages/nqp/lib", "/home/p6eval/rakudo-inst-2/languages/perl6/site/lib", "/home/p6eval/rakudo-inst-2/…»
timotimo so, for winner $c1, $c2 { more * { ... } }; do i have access to which channel got me the item inside the more block?
spec doesn't seem to discuss this
moritz r: use lib "{$?FILE.path.directory()}/lib"; say @*INC[0]
camelia rakudo-parrot 087165: OUTPUT«===SORRY!===␤Null PMC access in get_bool()␤»
..rakudo-jvm 087165: OUTPUT«/tmp/lib␤»
FROGGS jnthn: hmmm no, that was this summer when I was more active hacking on v5 10:56
timotimo it only says if there's winner @foobar, the done * block will get k and v named arguments
S17 doesn't actually spec the .closed promise on channels 10:58
jnthn Oh? I thought it did...
11:01 brrt left
timotimo it says "in order to avoid blocking, you can provide a "later" closure", so i suppose if i've gone through all pieces and none matched, i'll create a Promise.anyof for all the involved parties? 11:02
so that i can block on it?
jnthn: i'm not seeing mention of being able to just put a channel into "anyof" and there's no promise for a value to be available from a channel that i could block on 11:06
jnthn The current impl does a Thread.yield and then tries again...
timotimo ah. i can try that. 11:07
jnthn Which is not awesome but works
timotimo if i have only promises, i can do the anyof approach, at least. 11:08
jnthn Yeah 11:10
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timotimo now i have some code that i can try to run ... 11:18
er. that i can try to call. i still need to write test code.
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hoelzro timotimo++ # pointing out travis failures I was too stupid to see 11:22
timotimo you're welcome :) 11:25
interestingly the travis failure wasn't pointed out in the global list of pull requests
which is something i'd want to see if i was the project maintainer
d'oh. i'll have to inspect the signature of the blocks to see if it takes any nameds before i can just blindly throw :k and :v in there :\ 11:26
oh, wha? 11:27
r: say ({ say $_, $:k, $:v }).signature
camelia rakudo-parrot 087165, rakudo-jvm 087165: OUTPUT«:(Mu :k(:$k)!, Mu :v(:$v)!)␤»
timotimo no $_ argument?
FROGGS All is well — The Travis CI build passed (Details) 11:31
nice :o)
timotimo hoelzro: well done :) 11:32
always amazing what the power of friendship can achieve! :P
it can even move mountains (of code)!
hoelzro =) 11:33
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timotimo great, at least a part of my code is working! :) 11:42
yay, i made four promises, one of them a timeout, and WINNER properly blocked and then selected it :) 11:48
jnthn WIN!
nwc10 jnthn: after a long time valgrind does report errors during that backtrack 11:50
==9486== Address 0x3e1bfb42 is 0 bytes after a block of size 2 alloc'd
==9486== at 0x4C279EE: malloc (vg_replace_malloc.c:270)
==9486== by 0x4F78558: MVM_string_utf8_encode_substr (utf8.c:288)
[snip]
also need lunch
oh, wrong window. can I just pretend I told #moarvm?
lizmat good *, #pler6! 11:51
hoelzro ahoy lizmat!
lizmat
.oO( clearly not awake yet)
FROGGS nwc10: I'm your witness that you said it in #moarvm
hi lizmat
timotimo hey lizmat :) 11:52
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jnthn o/ lmizat 11:54
nwc10: Ah, that's probably it. 11:55
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timotimo hm, so can't combine wildcard with non-wildcard? 11:57
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dalek ecs: 64c4899 | (Elizabeth Mattijsen)++ | S19-commandline.pod:
Some clarification on --include / -I
 12:02
timotimo okay, i'm kind of sort of confident that my first implementation isn't completely bogus :) 12:03
gist.github.com/timo/7526734 - comments welcome 12:04
oops. the comment about the loop slid over the invoke_right sub
lizmat timotimo: there is no sanity check on @winner_args or @pieces being filled with Promise/Channel 12:11
only 12:12
timotimo ah, yes.
lizmat I would suggest dropping the implementation in src/vm/jvm/core/asyncops.pm 12:14
lizmat stashes her work in that area
timotimo that one is so much shorter and easier to read >_< 12:15
colomon is deeply regretting not having his main $work repo moved to git at the moment.
timotimo i can probably split the WINNER sub into two parts, one for no winner_args and one for some winner_args 12:17
lizmat why? 12:18
wouldn't it make generation of the ops easier if you keep it this way ?
timotimo because at the moment i just have an all-encompassing if for that :P
it would?
lizmat hmmm... perhaps not 12:19
I gues in the future, you could figure out at compile time whether you would just have promises or channels
timotimo that's not very easy :)
i'm more interested in getting rid of the invoke_right sub for each call
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tadzik hello from europe o/ 12:31
lizmat tadzik! 12:32
tadzik lizmat!
jnthn o/ tadzik 12:33
Hope your journey back was fine
tadzik yeah, and it seems like I managed to adjust to time travel quite seemlessly :) 12:34
timezones, that is
timotimo takes a walk 12:38
FROGGS hi tadzik! 12:42
tadzik hi FROGGS!
rindolf FROGGS: hi. 12:47
FROGGS hi rindolf
rindolf tadzik: hello from Israel.
FROGGS: what's up?
FROGGS $work :o(
12:49 Rix joined
diakopter whee seemles 12:59
so seam 13:00
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lizmat r: <a b c>.Bag.roll(*).say # this should hang 13:12
camelia rakudo-parrot 087165: OUTPUT«b b a␤»
..rakudo-jvm 087165: OUTPUT«a c c␤»
lizmat just realized that .roll is incorrectly implemented on Bags/Mixes 13:13
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dalek kudo/nom: 2f18b45 | (Elizabeth Mattijsen)++ | src/core/Baggy.pm:
Fix (Bag|BagHash).roll(*)
 13:36
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dalek ast: d12ea39 | (Elizabeth Mattijsen)++ | S02-types/bag (2 files):
Add tests for (Bag|BagHash).roll(*)
 14:05
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timotimo can i put the return value of $*W.find_symbol directly into a QAST::Op? i want to :op('callmethod'), :name('new'), $*W.find_symbol(['List']) 14:24
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jnthn No 14:25
Wrap it in a QAST::WVal 14:26
dalek ecs: d0e9368 | (Elizabeth Mattijsen)++ | S32-setting-library/Containers.pod:
Elaborate a bit more about (Bag|BagHash).pickpairs
 14:27
timotimo OK
how do i supply things as named arguments?
dalek kudo/nom: 5677bfb | (Elizabeth Mattijsen)++ | src/core/Baggy.pm:
Implement (Bag|BagHash).pickpairs
jnthn :named('the_name') 14:28
On the node that you're passing as an argumnt
timotimo ah. i'll have to put those in *Vals anyway
er. except ... 14:29
the .ast values of a pblock or a block can just go into a QAST, right? well, that would only make sense. 14:30
first version i can attempt to compile ... :) 14:31
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timotimo now it complains about wrong winner's in the statement :) 14:36
not very helpfully, though
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moritz the last will be winners! 14:37
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timotimo huh. it says "missing block" (well, it tries to, anyway) 14:40
winner { more $self { $_ }; done $self { last } }; - this should match the following rules, i think: 14:41
rule statement_control:sym<winner> { <sym> [<xblock>|<block>] }; rule statement_control:sym<more> { <sym> <xblock> }; rule statement_control:sym<done> { <sym> <xblock> } 14:42
what am i missing?
moritz what exactly does xblock match? 14:43
more $self { $_ } looks suspiciously like two terms in a row to me
jnthn xblock is expression block
mathces an EXPR then a pblock iirc
timotimo yes, that's it 14:44
moritz ah right
jnthn Do we get sigspace stuff right enough to sue rule there instead of token?
timotimo oh
we recently had some improvements there, but i can turn it into the other thing. do i need to put <.ws> between <sym> and the group then? 14:45
jnthn I think Mouq++ did a load of work on that so it may all be good already; just a thought.
timotimo the <.missing: 'block'> seems to come from inside <block> if it doesn't match a { 14:46
moritz timotimo: maybe just try smaller snippets first?
to find out if it's winner, more or done that triggers the problem
timotimo right. i should stub it out of the setting so that i can quickly experiment with different code snippets
FROGGS damnit, that was hard to spot: 14:47
rp: my %r; %r{~$<a>}.push(~$<b); for %r.kv -> $n, $v { }
camelia rakudo-parrot 2f18b4: OUTPUT«===SORRY!=== Error while compiling /tmp/X7f6m9Hqze␤Unable to parse expression in argument list; couldn't find final ')' ␤at /tmp/X7f6m9Hqze:1␤------> %r; %r{~$<a>}.push(~$<b); for %r.kv -> ⏏$n, $v { }␤ e…»
moritz $<b
timotimo oh wow :)
especially since you had a -> in there
FROGGS moritz: my variable names are longer... took me five minutes :o) 14:48
moritz++ # I'll just ask you next time
14:48 kivutar joined
moritz a pair of "fresh" eyes often help a lot 14:48
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timotimo say winner $p1, $p2, $p3 ⏏{ - this TTIAR's :( 14:58
but i don't think it should, since i offer xblock and block as alternatives
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timotimo tries <block> || <xblock> instead 14:59
moritz isn't there a precedence limit on the expression in pblock?
try winner ($p1, $p2, $p3) { } for the lulz
timotimo oh, perhaps
i'm amidst a recompile, though 15:00
i guess i can look at the implementation of for for inspiration
oh, perhaps i need to replace say winner with say do winner 15:01
moritz erm, yes 15:02
since it's statement_control, it's for *statements*, not expressions
timotimo whoops, that explodes in a different way :)
moritz timotimo: and your example code didn't include a say :-)
timotimo naughty me!
my @inner_statements := $<xblock><pblock><blockoid><statementlist><statement>; for @inner_statements -> $/ { ... }; why does this say Can only use iter with representation VMArray and VMHash? shouldn't that <statement> be a list of statements? 15:05
<statementlist> looks like this:
... ... [ <statement> <.eat_terminator> ]*
moritz try say(@inner_statements.HOW.name(@inner_statements)) 15:06
timotimo OK
moritz it might not actually be an array, dunno
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moritz also, remember that NQP line numbers are often offby1 15:07
timotimo right.
that's the only for anywhere nearby, though :)
moritz it would be awesome if the error message included type name and REPR name :-) 15:08
timotimo hehe.
NQPMu, as i feared :( 15:09
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timotimo found my mistake, too 15:10
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timotimo is not quite there 15:12
it's tough, because where i'm at in the parse, { could be the beginning of an EXPR that we want to have, or the beginning of the winner block 15:13
jnthn Well, can always cheat and look ahead... 15:14
timotimo that's what i thought, too :)
jnthn <?before <.lambda> | '{'> # :P
timotimo i'm not sure accepting lambda would be a good idea
jnthn uh, I guess it's just '{' in this case
yeah, confused it with more/done, which always need the EXPR 15:15
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timotimo xblock and block both explode if there's no { 15:16
rather than failing to parse and letting me try again further up the stack
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timotimo Method 'named' not found for invocant of class 'NQPMu' - hurm, again something non-matchy in my matches 15:18
my Whatever recognition is apparently not correct 15:19
oh, no, there actually is a whatever in my source code, so it's likely working 15:21
i wonder what goes wrong, though
15:25 lowpro30 left
timotimo finally wises up and uses $/.dump 15:25
gist.github.com/timo/aa7e2bbe7a18de69b1fe - this is my $/, i'm getting $<xblock><pblock>.ast and try to set .named on it, but Method 'named' not found for invocant of class 'NQPMu' 15:30
?!?
15:30 berekuk joined
timotimo D'OH 15:31
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timotimo i had $wild_done := ...ast; $wild_more.named('wild_done'); 15:31
diakopter lizmat: ok, how did booking.com know to send me a hotel reservation suggestion for a tiny town I was driving through 2 nights ago... when I don't remember doing any google searches and certainly no hotel searches during that time or about that night...? 15:32
timotimo they are watching you.
lizmat are you on facebook?
diakopter nope
well, yes, but haven't logged in in years
15:32 eternaleye left
lizmat do you have a facebook app on your phone ? 15:32
diakopter nope 15:33
lizmat then I've run out of ideas
timotimo it parses \o/
lizmat doing google searches is the most likely way of getting this 15:34
the other is searching for a hotel on the booking.com site and not making a reservation
diakopter 'course, the suggestion was two days late..
lizmat and yes, we're all being followed
then it cost B money, and they will stop doing it :-) 15:35
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timotimo i think the signatures aren't getting set properly :( 15:38
pblock: { say "wildcard done: $_" } - like this? should be right, IMO. 15:40
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diakopter tadzik: how many 'thor god of thunder' mutterings did you get to 15:42
dalek ecs: 155abd8 | (Elizabeth Mattijsen)++ | S32-setting-library/Containers.pod:
(Bag|BagHash).pickpairs are more like .grabpairs
 15:43
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timotimo huh, do i have to -> $_ in order for it to take $_ ?! 15:44
i thought if i used $_ inside the block somewhere and don't give a different implicit signature, it would Just Work
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moritz it does, when the compiler handles it correctly :-) 15:45
timotimo huh. i have to do some manual work, then? :( 15:46
ah, probably just have to call block_closure($<foo><pblock>.ast)
jnthn timotimo: look up $*IMPLICIT 15:47
timotimo will do
jnthn timotimo: iirc you may want <xblock(1)>
timotimo ah, sure :) 15:48
thanks
do i need block_closure, too?
jnthn probably 15:49
timotimo thank you :) 15:50
i'm real close now
.o( you bring me closure to god ) 15:52
okay, now let's try to put the winners back into the setting 15:55
github.com/rakudo/rakudo/blob/nom/...ply.pm#L57 - i don't understand this line 15:59
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tadzik diakopter: free hundred firty free fousand, froughly 16:04
timotimo tadfik if nomming cookief again?
tadzik yeah, and writing my bachelor feces :P
timotimo :D 16:05
dalek kudo/WINNER: b76c38c | (Timo Paulssen)++ | src/ (3 files):
implement winner syntax and WINNER sub.
kudo/WINNER: 3129cb7 | (Timo Paulssen)++ | src/vm/jvm/core/ (2 files):
update usages of winner in the setting
timotimo something for you to play with
tadzik WINRAR
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lizmat timotimo: that line in Supply.pm is a Promise 16:07
timotimo yeah, but why call .result on it, then last out of the loop?
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jaffa4 hi all 16:07
timotimo hi jaffa4 :)
jaffa4 have you seen module Perl6::Format?
lizmat wouldn't that throw the exception if any ?
timotimo oh, that's a good point actually 16:08
i'll be AFK for a bit, would you be interested in making my modified versions of these things throw any given exception as well?
though perhaps exceptions are already thrown inside WINNER, i'm not sure
i have yet to change all winners in the spectests to the new syntax to try out all those cases
TimToady what a slacker! :) 16:09
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TimToady timotimo++ 16:09
lizmat indeed, timotimo++ 16:11
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dalek kudo/nom: 376b309 | (Elizabeth Mattijsen)++ | src/core/Baggy.pm:
Fix (Bag|BagHash).pickpairs

Found thanks to writing tests :-)		 16:14
ast: 987bced | (Elizabeth Mattijsen)++ | S02-types/bag (2 files):
Add tests for (Bag|BagHash).pickpairs
 16:16
lizmat TimToady: shouldn't Array and Hash not have .grab / .grabpairs / .pickpairs / .rollpairs ? 16:17
jnthn wonders if that double negation was intended :) 16:19
lizmat I shouldn't think not 16:20
TimToady is starting to think something isn't factored right 16:21
or 'isn't' if you speak Neglish.
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lizmat can't say that ain't true 16:22
TimToady is still in early morning free-association mode, but would a :pairs adverb work better rather than doubling all the method named?
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TimToady "All music is folk music. Ain't never heard no horse sing no song." --Louis Armstrong 16:23
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diakopter TimToady: all the built-in methods and typenames and keywords need single-char hangul shorthand. yes. 16:24
TimToady hmm, are they all unique in the first 3 letters?
TimToady doubts it
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lizmat TimToady: so, make a :p named parameter to .pick ? 16:34
and a :delete one as well, to take care of .grab ?
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TimToady not sure I want to mess with the pick/grab distinction, since we're dealing with mutability 16:36
lizmat true 16:37
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lizmat r: (1,2,3).Bag.grab.say 16:38
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TimToady we've mostly ended up differentiating names when that distinction is in effect 16:38
camelia rakudo-jvm 5677bf: OUTPUT«Cannot call 'grab' on an immutable 'Bag'␤ in block at /tmp/mQ_ciPr18d:1␤ in any eval at gen/jvm/stage2/NQPHLL.nqp:1086␤ in any evalfiles at gen/jvm/stage2/NQPHLL.nqp:1292␤ in any command_eval at gen/jvm/stage2/NQPHLL.nqp:1196␤ in any command…»
..rakudo-parrot 5677bf: OUTPUT«Cannot call 'grab' on an immutable 'Bag'␤ in block at /tmp/YYleWW6Wkr:1␤ in any at /tmp/YYleWW6Wkr:1␤ in any at gen/parrot/stage2/NQPHLL.nqp:1146␤ in any eval at gen/parrot/stage2/NQPHLL.nqp:1133␤ in any evalfiles at gen/parrot/stage2/N…»
TimToady quietfanatic++ has urged me to unify all those mutable/immutable name distinctions, but he can try that in his own language :) 16:39
TimToady suspects it would be a confusing orthogonality
lizmat doesn't want to get into any family quarrel :-) 16:41
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TimToady we'd have to adopt you first :) 16:42
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lizmat I'll take that a compliment :-) 16:42
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lizmat anyways, I was just going through the spec and noticed that both colomon++ and me missed "pickpairs", which had been specced in Jan 2012 by a Larry Wall 16:47
TimToady well, he's an idiot :)
lizmat now now, let's keep this civilized :-) 16:48
TimToady you shouldn't trust him around Perl 6, since, according to github, "In particular, Larry seems to be a pretty serious Perl expert."
doubtless he'll try to bend Perl 6 into resembling Perl 16:49
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lizmat well, I don't know how serious he is, but he is pretty pretty :-) 16:49
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TimToady blushes 16:50
well of course Perl 6 is missing lexer, it writes its own... 16:52
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diakopter r-j: ENOLEXER 16:53
camelia rakudo-jvm 5677bf: OUTPUT«===SORRY!=== Error while compiling /tmp/9agFu0TYfa␤Undeclared name:␤ ENOLEXER used at line 1␤␤»
diakopter r-j: >ENOLEXER
camelia rakudo-jvm 5677bf: OUTPUT«===SORRY!=== Error while compiling /tmp/sQmNPLih4L␤Preceding context expects a term, but found infix > instead␤at /tmp/sQmNPLih4L:1␤------> >⏏ENOLEXER␤»
16:53 zakharyas left
timotimo jaffa4: sorry, i was AFK (as i mentioned above) 16:54
grondilu r-p: say "parrot"
camelia rakudo-parrot 5677bf: OUTPUT«parrot␤»
grondilu r-p: sub f($k) { [*] 1 .. $k }; say f(0) 16:55
camelia rakudo-parrot 5677bf: OUTPUT«1␤»
TimToady why do people always start that at 1?
r-p: sub f($k) { [*] 2 .. $k }; say f(0)
camelia rakudo-parrot 5677bf: OUTPUT«1␤»
TimToady works just as well
jaffa4 sorry who wrote a lexer? 16:56
grondilu r-p: sub binomial($n, $k) { ([*] $n, $n-1 ... $n-$k+1) / [*] 1 .. $k }; say binomial(5, 0)
camelia rakudo-parrot 5677bf: OUTPUT«(timeout)»
TimToady wrote a lexer once...
jaffa4 for perl 5?
grondilu r-p: sub binomial($n, $k) { ([*] $n-$k+1 .. $n) / [*] 1 .. $k }; say binomial(5, 0)
camelia rakudo-parrot 5677bf: OUTPUT«1␤» 16:57
grondilu r-p: sub binomial($n, $k) { ([*] $n-$k+1 .. $n) / [*] 1 .. $k }; say binomial(5, 3)
camelia rakudo-parrot 5677bf: OUTPUT«10␤»
TimToady since then I've only written metalexers 16:58
.oO(whatever an exer is...)
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lizmat Ah, I remember the days of the woodexer... 16:59
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lizmat the steamexer was already much better 16:59
diakopter an exer results from a lurgist 17:02
timotimo oh, there aren't even tests for "winner" in roast yet 17:03
it's only used once for supply tests
lizmat timotimo: yes
I was waiting to write more until the spec had settled a bit more 17:04
timotimo knows what he'll spend the rest of the evening doing, after he commutes or and dinners
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lizmat fwiw, I would be ok with merging the WINNER branch 17:04
jnthn It's quite funny that it's only tested in supply test, given winner doesn't work on supplies :)
lizmat well, I guess we can blame the original author of the tests... :-) 17:05
jnthn The author blames Croatian beer and slivovica :P
lizmat eh, why wouldn't winner work on supplies ?
jnthn lizmat: Because you don't ask a supply for a value.
lizmat: It supplies the values to you. 17:06
timotimo lizmat: i'll write lots of spectests before i give my blessing, though :P
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jnthn was a little surprised to see channels referred to as a reactive thingy, which they kinda ain't. You synchronously pull from 'em. 17:07
TimToady rather than going through parsing shenanigans, I'd wondered whether we should just require 'winner * {' when we want the list intuited
lizmat indeed.. however, the test is for a Channel derived from a supply
jnthn Promises are a bit of both. You can poll for the result, but .then is reactive.
Supplies are completely reactive. 17:08
TimToady $channel.list is kinda reactive the same way
jnthn TimToady: Yes, that's a curious construct. :)
TimToady well, we do need to bridge the two worlds from time to time 17:09
jnthn TimToady: I guess .list on a supply is a kind of subscribe in a gather/take...
Yes, we do. Bridging all the paradigms we provide matters.
otoh, we need to make it explicit enough that it conveys, "this is probably gonna cost you"
TimToady putting good Spock on the evil bridge, and vice versa
timotimo i should publish a module ACME::Python that, when used, just dies with "NO LOL" 17:10
TimToady oh wait, it's Kirk that swapped
timotimo er, Acme::Python
jnthn timotimo: It should sovle one of the euler problems too, just to be classy.
timotimo classy indeed 17:12
TimToady we we make the arguments optional to winner, next thing people will want to drop the parens around the arg to loop... 17:13
s/we/if
timotimo i'm fine with requiring a * at least.
TimToady weird typos...
or a ()
timotimo hm 17:14
TimToady but * conveys the spirit better
"whatever is used below"
timotimo i like * better than ().
TimToady that's why I just used xblock in STD
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TimToady std: winner * { } 17:15
camelia std 065efb7: OUTPUT«ok 00:01 123m␤»
TimToady std: winner { }
lizmat winner $p1, @other { done $p1 {...} done @othter { ... } }
camelia std 065efb7: OUTPUT«===SORRY!===␤Expression needs parens to avoid gobbling block at /tmp/b_UXw55NOF line 1:␤------> winner ⏏{ }␤Missing block (apparently gobbled by expression) at /tmp/b_UXw55NOF line 1:␤------> winner { }⏏…»
timotimo yes, i was wondering about that.
lizmat winner $p1, @other { done $p1 {...} done @othter { ... } } # wouldn't that make more sense ? 17:16
(apart from the typo)
TimToady also wonders whether people are inadvertently going to try to use 'winner LIST ' to mean '(race LIST)[0]' 17:17
why not done * instead?
lizmat shouldn't done not accept a list of promises/channels as well 17:18
winner $p1, $p1, @other { done $p1,$p2 {...} done @other { ... } }
TimToady well, syntactically, it could
seems supportable
lizmat then done * would need to be the ones that weren't listed before 17:19
TimToady right
lizmat and that could be done once
TimToady and later could become done none() :)
lizmat unless we're going to allow for slices: done @other[^3]
well, I don't like "none" really, as it doesn't convey the timeliness of it 17:20
timotimo as soon as we support lists after done, slice support will happen automatically
lizmat "idle" conveys that more to me
timotimo at least i think it would, given my current implementation and how i'd change it to support lists as arguments for done/more blocks
TimToady well, for a while it was 'notyet' 17:21
maybe we should call it 'crickets' :)
timotimo in that case, i want "tumbleweed" to exist somewhere 17:22
TimToady 'silence'
lizmat silence I like 17:23
TimToady if this were COBOL it would be something like INDETERMINATE
lizmat can we also rename "done" to "tinnitus" then ?
timotimo hoelzro: maybe the linguist maintainer would be more likely to merge your PR if you rebased it on the current master?
TimToady lizmat: that's more like 'more' 17:24
'done' is just the transition from tinnitus to silence
lizmat ah, I wish it was that easily done
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TimToady moi ausi 17:25
or is that aussi?
hoelzro timotimo: good idea, I'll try that! 17:26
timotimo that may make your pygments.rb version bump unnecessary 17:27
lizmat aussi, oui
TimToady should probably study French once he finishes Japanese, Mandarin, Spanish, and Basque...
Agur! 17:28
hoelzro timotimo: from what I can see, it's already up-to-date
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timotimo ah, yes 17:29
i had been looking at a network graph from 10 hours ago
TimToady and maybe some Russian or Australian... 17:31
G'die! 17:32
G'die might!
timotimo questhub.io/realm/perl/quest/52895c...fb5300002f - feel free to like my quest :P 17:33
lizmat :-)
TimToady What is your favorite colour?
timotimo :D 17:34
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lizmat I'm taking the 5th 17:35
17:35 [Sno] joined
lizmat timotimo: I could write winner tests 17:35
timotimo feel free :) 17:36
it's always better to hvae someone write the test who didn't write the implementation
lizmat agree
TimToady obviously Black is your favorite color
timotimo Block is my favourite color :D 17:37
TimToady
.oO(Black Boxing Day)
kurahaupo Aussies are asleep, but Kiwis are just waking up: gudday met 17:39
dalek ast: a115250 | (Elizabeth Mattijsen)++ | S17-concurrency/ (2 files):
Start winner.t by taking winner test from supply.t
 17:40
TimToady kurahaupo: sure, but it's the wrong day
dalek ast: d986524 | (Elizabeth Mattijsen)++ | S17-concurrency/supply.t:
Get the administratrivia right for supply.t
 17:41
TimToady you shoulda wished me a gudday yesterday so it would happen today
dalek kudo/nom: 75c45f3 | (Elizabeth Mattijsen)++ | t/spectest.data:
Make sure we roast winner.t
 17:42
timotimo you could have left out winner.t for rakudo/nom and only put it in rakudo/WINNER 17:43
TimToady International Date Line: "Hi, I'm an ASCII--what's your encoding?"
timotimo it would have been added properly by the merge later
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dalek ast: 32b8975 | (Elizabeth Mattijsen)++ | S02-types/mix (2 files):
Add tests for (Mix|MixHash).roll(*)
 17:46
kurahaupo TimToady. mundy, chezdy, waddeva
lizmat timotimo: I guess you're right
on the other hand, all tests will need to be marked skip atm anyway
kurahaupo TimToady: good morning, anyway. 17:47
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TimToady troo 17:48
kurahaupo enjoys how #perl6 sometimes transmogrifies into #linguisticsforgeeks 17:50
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TimToady finds it extrememly painful, but then, he's a masochist... 17:51
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TimToady nothing, nada, nobodyhome, nosuchluck, betterlucknexttime, elsewhen 17:56
actually, 'nobody' is the right length to line up with 'done *' 17:57
and 'nobody is the winner' makes perfect sense
lizmat but then "done" doesn't make sense 17:58
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lizmat I would suggest "first" if it hadn't another meaning already 17:59
dalek ecs: 0eedbb4 | larry++ | S17-concurrency.pod:
s/later/nobody/
TimToady "I have more!" "I am done!" "I am nobody!" 18:00
lizmat s/done/prize/ ? 18:01
TimToady need to rename 'more' to something that works with 'I am ____.' with four letters
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TimToady 'I am here!' 18:01
18:01 fhelmberger left
TimToady $channel.here($x); # take this 18:02
18:03 fhelmberger_ left
TimToady "Oh wow, here it is!" 18:03
'here' also implies more discreteness than 'more' 18:04
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TimToady not so good at the 'one item out of many' concept though... 18:06
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TimToady well, 'data' is a four-letter word 18:14
probably a mistake to have two words starting with 'd' though
lizmat duhh!
TimToady and failure could be 'doh!' 18:15
unfortunately, 'item' is also taken, if not on the keyword end, on the method end 18:18
well, I suppose item could be overloaded on a channel without bothering lists 18:19
would be slightly less confusing than overloading 'next'
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lizmat is off to see Gravity 3D 18:36
timotimo you promised me tests ;_; 18:40
lizmat the day is not over yet ;-) 18:41
timotimo okay
i'll get to implementing the new changes then
lizmat back in ~ 2.5 hour 18:43
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timotimo r: my &foo = -> $foo { }; say &foo.signature.params[0].^methods 18:53
camelia rakudo-parrot 75c45f, rakudo-jvm 75c45f: OUTPUT«<anon> <anon> <anon> <anon> <anon> <anon> <anon> name constraint_list constraints type named named_names positional slurpy optional parcel capture rw copy readonly invocant default type_captures sub_signature perl␤»
timotimo r: my &foo = -> $foo { }; say &foo.signature.params[0].positional
camelia rakudo-parrot 75c45f, rakudo-jvm 75c45f: OUTPUT«True␤»
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jaffa4 How to check a group is matched? 19:02
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timotimo jaffa4: the match object will be falsy, for example 19:06
bleh, it'd be a lot of work to make the random selection of candidates fair when supplying lists of things for more/done blocks 19:07
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timotimo i'd have to mess with bags or something 19:07
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jnthn timotimo: Just get the total number of things, get a random number between that and 0 and that, and then if it's greater than the number of things in the first array go for something in the second. 19:09
19:12 xinming left
timotimo mhm, i feared as much :) 19:13
19:13 xinming joined
timotimo or i could just, you know, use a bag :) 19:14
jnthn Yeah, that'll be fast :P 19:18
jaffa4 this always makes $/[0] true while ($token ~~ m:c/(.*?\n)\s*(\S\N*)||(.*?\n)\s*$||(.+)/)
timotimo oh damn. now i'm still running into trouble 19:19
FROGGS jaffa4: does the token change?
jaffa4 no
FROGGS how chould the $/[0] get untrue then? 19:20
timotimo because i still have to know at the end of my loop that i've visited each and every of the promises and channels
in a random order
i'll have to come up with a cleverer approach than what i just had.
jnthn timotimo: no, you dont visit each every one
timotimo i'll magically flatten the list.
jnthn timotimo: You make a random order to visit them in
And then take them in that order
jaffa4 FROGGS: when $token="n\n" 19:21
timotimo i do, if none of them fire, i'll have to fire the "later" block
FROGGS timotimo: like >> does?
jnthn Right.
timotimo FROGGS: the what now?
oh, no, not like that
FROGGS timotimo: this is a sort-of randomy thing :o)
timotimo much more complicated. it involves splicing.
0, @foo, &block must become 0, @foo[0], &block, 0, @foo[1], &block, ... 19:22
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FROGGS rp: my $token="n\n"; while ($token ~~ m:c/(.*?\n)\s*(\S\N*)||(.*?\n)\s*$||(.+)/) { say 1 } 19:22
camelia rakudo-parrot 75c45f: OUTPUT«1␤»
jaffa4 p: my $token="n\n"; while ($token ~~ m:c/(.*?\n)\s*(\S\N*)||(.*?\n)\s*$||(.+)/) { say $/[0] 19:23
timotimo what? o_ο
camelia rakudo-parrot 75c45f: OUTPUT«===SORRY!=== Error while compiling /tmp/70XGYgXcqa␤Unable to parse expression in block; couldn't find final '}' ␤at /tmp/70XGYgXcqa:1␤------> (\S\N*)||(.*?\n)\s*$||(.+)/) { say $/[0]⏏<EOL>␤ expecting any …»
jaffa4 p: my $token="n\n"; while ($token ~~ m:c/(.*?\n)\s*(\S\N*)||(.*?\n)\s*$||(.+)/) { say $/[0] }
camelia rakudo-parrot 75c45f: OUTPUT«｢n␤｣␤␤»
timotimo .u ο
FROGGS ENOYOLEAUX
jaffa4 p: my $token="n\n"; while ($token ~~ m:c/(.*?\n)\s*(\S\N*)||(.*?\n)\s*$||(.+)/) { say $/[0].bool }
camelia rakudo-parrot 75c45f: OUTPUT«No such method 'bool' for invocant of type 'Match'␤ in block at /tmp/HYf636y9Yp:1␤ in any at /tmp/HYf636y9Yp:1␤ in any at gen/parrot/stage2/NQPHLL.nqp:1146␤ in any eval at gen/parrot/stage2/NQPHLL.nqp:1133␤ in any evalfiles at gen/parro…»
FROGGS .Bool
jaffa4 p: my $token="n\n"; while ($token ~~ m:c/(.*?\n)\s*(\S\N*)||(.*?\n)\s*$||(.+)/) { say $/[0].Bool } 19:24
camelia rakudo-parrot 75c45f: OUTPUT«True␤»
jaffa4 now it should not be TRUE
FROGGS p: my $token="n\n"; while ($token ~~ m:c/(.*?\n)\s*(\S\N*)||(.*?\n)\s*$||(.+)/) { say $/[0].Bool }; say ?$/[0]
camelia rakudo-parrot 75c45f: OUTPUT«True␤False␤»
jaffa4 p: my $token="n\n"; while ($token ~~ m:c/(.*?\n)\s*(\S\N*)||(.*?\n)\s*$||(.+)/) { say $/[1].Bool } 19:25
camelia rakudo-parrot 75c45f: OUTPUT«False␤»
jaffa4 : my $token="n\n"; while ($token ~~ m:c/$<a>=(.*?\n)\s*$<b>=(\S\N*)||$<c>=(.*?\n)\s*$||$<d>=(.+)/) { say $/<d>.Bool }; 19:32
p: my $token="n\n"; while ($token ~~ m:c/$<a>=(.*?\n)\s*$<b>=(\S\N*)||$<c>=(.*?\n)\s*$||$<d>=(.+)/) { say $/<d>.Bool };
camelia rakudo-parrot 75c45f: OUTPUT«False␤» 19:33
jaffa4 p: my $token="n\n"; while ($token ~~ m:c/$<a>=(.*?\n)\s*$<b>=(\S\N*)||$<c>=(.*?\n)\s*$||$<d>=(.+)/) { say $/<c>.Bool };
camelia rakudo-parrot 75c45f: OUTPUT«True␤»
timotimo time to remember how to splice. 19:36
FROGGS froggs@TL02L-R8RXTCW-linux:~/dev/p6-Versioning$ perl6-p -Ilib -MCompUnitRepo -e 'use Foo::Bar:ver<1.0.4>'
hello from Foo::Bar:auth<Kevin Flynn [email@hidden.address]
froggs@TL02L-R8RXTCW-linux:~/dev/p6-Versioning$ perl6-p -Ilib -MCompUnitRepo -e 'use Foo::Bar:ver<1.0.1>'
hello from Foo::Bar:auth<Kevin Flynn [email@hidden.address]
19:37 kst left
timotimo r: my @a = [1, [1, 2, 3].item, "foo"]; @a.splice(1, 1, [1 19:37
erm
camelia rakudo-jvm 75c45f: OUTPUT«===SORRY!=== Error while compiling /tmp/CSblgIuQbh␤Unable to parse expression in array composer; couldn't find final ']' ␤at /tmp/CSblgIuQbh:1␤------> , 2, 3].item, "foo"]; @a.splice(1, 1, [1⏏<EOL>␤ expectin…»
..rakudo-parrot 75c45f: OUTPUT«===SORRY!=== Error while compiling /tmp/tc3OuRrkpW␤Unable to parse expression in array composer; couldn't find final ']' ␤at /tmp/tc3OuRrkpW:1␤------> , 2, 3].item, "foo"]; @a.splice(1, 1, [1⏏<EOL>␤ expec…»
timotimo r: my @a = [1, [1, 2, 3].item, "foo"]; @a.splice(1, 1, [1], 1);; say @a
camelia rakudo-parrot 75c45f, rakudo-jvm 75c45f: OUTPUT«1 1 2 3 foo 1 1␤»
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timotimo r: my @a = [1, [1, 2, 3].item, "foo"]; @a.splice(1, 1, 1, [0]);; say @a 19:37
camelia rakudo-parrot 75c45f, rakudo-jvm 75c45f: OUTPUT«1 1 2 3 foo 1 0␤»
timotimo no :\
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tadzik heh, Good Guy CPH reordered stuff in my backpack for my convenience. "Nice" 20:13
jnthn oh, you're in CPH? :) 20:16
tadzik not anymore 20:17
but it's so nice of them to move my camera bag to the top of my backpack for me
jnthn They ain't the most predictable in so far as what they'd like you to remove from hand luggage for them to examine... 20:18
Sometimes you get away with an iPad left in the bag. Sometimes not. :)
tadzik :)
it's nice of them because my apartment keys were in that bag
so they moved from the middle of a huge backpack to the very top :) 20:19
jnthn Aside from running railways, they mostly do stuff right here in Scandinavia. :) 20:20
tadzik :)
moritz do they managed to screw up railways even worse than in Great Britain? 20:21
jnthn Hm, tough call... :) 20:23
I think something like, they screw it up here less often, but when they screw it up they really screw it up. :) 20:24
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jaffa4 p: my $token="{"; while ($token ~~ m:c/$<a>=(.*?\n)\s*$<b>=(\S\N*)||$<c>=(.*?\n)\s*$||$<d>=(.+)/) { say $/<c>.Bool }; 20:24
camelia rakudo-parrot 75c45f: OUTPUT«===SORRY!===␤Unrecognized backslash sequence: '\s'␤at /tmp/zQgMkDtyb6:1␤------> ="{"; while ($token ~~ m:c/$<a>=(.*?\n)\⏏s*$<b>=(\S\N*)||$<c>=(.*?\n)\s*$||$<d>=(␤Unrecognized backslash sequence: '\S'␤at /t…»
jaffa4 p: my $token="a"; while ($token ~~ m:c/$<a>=(.*?\n)\s*$<b>=(\S\N*)||$<c>=(.*?\n)\s*$||$<d>=(.+)/) { say $/<c>.Bool }; 20:25
camelia rakudo-parrot 75c45f: OUTPUT«False␤»
jaffa4 p: my $token="\{"; while ($token ~~ m:c/$<a>=(.*?\n)\s*$<b>=(\S\N*)||$<c>=(.*?\n)\s*$||$<d>=(.+)/) { say $/<c>.Bool }; 20:26
FROGGS jaffa4: you wanna win the next obfuscation contest?
camelia rakudo-parrot 75c45f: OUTPUT«False␤»
jaffa4 no
p: my $token="\{"; while ($token ~~ m:c/$<a>=(.*?\n)\s*$<b>=(\S\N*)||$<c>=(.*?\n)\s*$||$<d>=(.+)/) { say $/<d>.Bool };
camelia rakudo-parrot 75c45f: OUTPUT«True␤»
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Rotwang why can't I do: has constant Int $.foo = 0x01; ? 20:42
jnthn Rotwang: "has constant" doesn't make much sense. constnat means, well, constant, and has means storage per instance... 20:43
constant $.foo = 0x01; # seems more reasonable to me
jaffa4 how can I report bug really quickly?
jnthn If you want a constant with an accessor
jaffa4: Write an email to [email@hidden.address] and type VERY FAST!!! 20:44
jaffa4 what about subject line
what about subject line?
jnthn It should describe the bug
FROGGS well, put something good in it
moritz well, you should write good one :-)
tadzik put [BUG] in there for bonus points
FROGGS tadzik++ *g* 20:45
moritz "this has been [BUG]ging me for months"
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Rotwang jnthn: so that will work in the future? (constant $.foo = "bar";) 20:46
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jnthn r: class Foo { constant $.foo = "bar" }; Foo.foo 20:48
camelia rakudo-jvm 75c45f: OUTPUT«===SORRY!=== Error while compiling /tmp/1DqFfG6YEy␤Variable $.foo used where no 'self' is available␤at /tmp/1DqFfG6YEy:1␤------> class Foo { constant $.foo⏏ = "bar" }; Foo.foo␤ expecting any of:␤ st…»
..rakudo-parrot 75c45f: OUTPUT«===SORRY!=== Error while compiling /tmp/NDhJ6o8M9N␤Variable $.foo used where no 'self' is available␤at /tmp/NDhJ6o8M9N:1␤------> class Foo { constant $.foo⏏ = "bar" }; Foo.foo␤ expecting any of:␤ …»
jnthn std: class Foo { constant $.foo = "bar" }; Foo.foo
camelia std 065efb7: OUTPUT«ok 00:01 125m␤» 20:49
jnthn Rotwang: Yes, we should make that work, I think.
Rotwang jnthn: ok, cool
jnthn my $.foo already works, iirc
So anybody wanting to take this on can get inspiration from that :) 20:50
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timotimo now i has foods 20:53
jaffa4 jnthn: is there way of turning off making symbolic operations in the nqp Perl6 parser? 20:59
jnthn jaffa4: "symbolic operations"?
jaffa4 jnthn: making declarations
the parser gives me Redeclaration of symbol Perl6::Format 21:00
perl6 does not give the error
jnthn Ah, then it must be picking up your existing GLOBAL or something... 21:01
You can't not make declarations, otherwise it won't know how to parse things later on 21:02
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jaffa4 jnthn: can I empty the global? 21:03
jnthn jaffa4: I'm not entirely sure how it's finding your existing one; it normally creates it afresh... 21:04
jaffa4: How are you invoking the parser?
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jnthn I guess you can always try whatever module loader does to get a clean slate... 21:05
jaffa4 $!parser := Perl6::Grammar.parse( $text, :actions(Perl6::Actions.new()) );
21:06 berekuk left
jnthn Hmmm... 21:08
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jaffa4 I cannot parse the parser 21:09
moritz
.oO( one does not simply walk into Perl6::Grammar )
21:09 berekuk joined
jnthn I mean, the only way it can pick up an existing global or outer, afaik, is around the "if nqp::existskey(%*COMPILING<%?OPTIONS>, 'global') {" line... 21:10
But I thought only eval ever set that... 21:11
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lizmat is back, but still a bit dizzy 21:15
jaffa4 ok, bye
21:15 jaffa4 left
jnthn I'm sure something will pull you back down to earth soon... 21:15
lizmat troo 21:16
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FROGGS jnthn / lizmat: it works like a charm :o) github.com/FROGGS/p6-S11Versioning 21:26
lizmat FROGGS++ way cool!
timotimo \o/ 21:27
FROGGS :o)
the library-installing-part is missing though 21:28
lizmat are you talking about CompUnitRepo::Local::File ?
FROGGS it expects to have a database of installed libs
lizmat: ::File and ::Installation 21:29
lizmat @*INC is the database
FROGGS err
jnthn FROGGS++
lizmat and it's volatile
FROGGS ::File works because it doesnt need a database
lizmat indeed...
FROGGS but the ::Installation expects a json blurb, which panda would have to create 21:30
lizmat nooooo
panda doesn't create anything
it calls the .install method
FROGGS but panda needs to call into the repo at least
so, panda must know about it :o) 21:31
lizmat must know about the location (top level directory) in which to install
nothing more
FROGGS let'say: an invocation of the panda toolchain results in these databases
lue FROGGS++ 21:32
FROGGS so, if I do: panda install YourSelf, it might query the Repos in order to know which is capable of installing it
then tell it do do the hard work
lue IIUC, that MANIFEST file would also allow for .pm6 and .p6m module extensions, right?
timotimo FROGGS: even the panda part works? 21:33
FROGGS because, a repo can be readonly (due to being on a ro filesystem or by being an autoinstaller (aka pan))
timotimo: no, only in my head
timotimo ah, ok :)
FROGGS lue: the extension does not matter, because a repo can even store its files in an sql database if it wants to 21:34
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lizmat if you do panda install YourSelf, it should install it in the "user" directory, I would think 21:34
lue: or on github, cloudpan, whatever 21:35
FROGGS I think so too
lue FROGGS: ok. The implication made by the top of the README made me think otherwise :) . "(split by '::', plus '.pm' extension)" specifically.
lizmat now, what the "user" directory is, I don't know
FROGGS lizmat: but in the end you could have a gazillion on repositories
lue: yeah, I suck at documentation :o) need to rewrite it
lizmat: %*CUSTOM_LIB<home> perhaps? 21:36
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lizmat I think this is the moment to decide these things 21:36
if I do "$ perl6 -e '.say for @*INC'", I get a list of dirs 21:37
FROGGS it could even gist the to-be-installed modules, or create new repos
lue FROGGS: to be fair, your code seems to match that claim :) (CompUnitRepo.pm:39)
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lizmat is any of thise intended to be used for installed modules ? 21:37
leont So, what is the state of perl 6 QA? Is there anyone working on it currently?
FROGGS lue: that is for the repository-handler plugins 21:38
lizmat leont: in what context? do you mean, do we have tests? about 30K :)
FROGGS lizmat: yes, I think %*CUSTOM_LIB goes in there too
lizmat: btw, see the libraries.cfg file 21:39
leont I mostly meant QA for modules and stuff. I think it'd be nice to get some perl 6 people to the QA hackathon.
FROGGS we just need to tweak that, with a sane default
lue FROGGS: OK. [ did I mention FROGGS++ for getting auth/ver stuff in a better state? :) ]
FROGGS :o)
thanks lue
lizmat I would think panda would need to use %*CUSTOM_LIB<home> indeed, unless otherwise indicated 21:40
I guess "--site" would use %*CUSTOM_LIB<site>
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FROGGS yes 21:40
lizmat I guess "--vendor" would use %*CUSTOM_LIB<vendor>
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FROGGS and I think it falls back from site to home if it fails, and then to cwd 21:40
not sure though 21:41
lue leont: there's a Test module that modules can (and frequently do) use for testing themselves.
lizmat not to cwd, unless -I . I would think
leont: fwiw, I intend to be in Lyon next year
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Guest68732 4-letter sysnonym for 'done' - 'finis' ? 21:49
lizmat 4?
r: say "finis".chars
camelia rakudo-parrot 75c45f, rakudo-jvm 75c45f: OUTPUT«5␤»
Guest68732 duh! 21:50
huf "kész"
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ajr_ nothing with accents, please. 21:50
huf "kesz"? :D 21:51
translit is <3
lue french has "fini" iirc 21:53
lizmat fin
huf .hu has fini too, but it means "tasty" :)
lizmat something one used to see at the end of a French movie :-)
huf very useful right now :) 21:54
21:54 xinming joined
lue "j'ai fini la tâche" for instance 21:55
lizmat: well, "fin" is a noun. I was under the impression we were going for verbs :P
huf it's bound to become deliciously confusing if we start bringin in more languages :) 21:56
lue (there are lots of 4-letter *English* synonyms for "done", if you're OK with irony: "acco", "fini", "comp", "achi", etc.) 21:57
FROGGS lizmat: next thing I'll do is to implement .install... just have to muse about the influence of multiple backends and precompilation...
jnthn
.oO( "I have completed the moustache"? )
 21:58
lizmat FROGGS: the musing can be very composable, as each CompUnitRepo is responsible for its own logic only
FROGGS true 21:59
lue jnthn: tâche ->(tasche)-> task :)
jnthn oh! :) 22:01
lizmat timotimo: winner is supposed to return whatever block was selected, returned, right? 22:08
S17:394 " The construct as a whole returns the result of whichever block was selected." 22:09
synopsebot Link: perlcabal.org/syn/S17.html#line_394
jnthn aye
lizmat in the WINNER branch, I get a syntax error in something like
my $a = winner { ... }
jnthn lizmat: Try my $a = do winner { ... } 22:10
std: my $a = winner { }
camelia std 065efb7: OUTPUT«===SORRY!===␤Undeclared routine:␤ 'winner' used at line 1␤Check failed␤FAILED 00:01 124m␤»
jnthn std: my $a = do winner { }
camelia std 065efb7: OUTPUT«===SORRY!===␤Expression needs parens to avoid gobbling block at /tmp/SZLTWO4oM3 line 1:␤------> my $a = do winner ⏏{ }␤Missing block (apparently gobbled by expression) at /tmp/SZLTWO4oM3 line 1:␤------> my $a = …»
jnthn std: my $a = do winner * { }
camelia std 065efb7: OUTPUT«ok 00:01 126m␤» 22:11
jnthn std: my $a = winner * { }
camelia std 065efb7: OUTPUT«===SORRY!===␤Unexpected block in infix position (two terms in a row, or previous statement missing semicolon?) at /tmp/w6ovzA4t7Z line 1:␤------> my $a = winner * ⏏{ }␤ expecting infix or meta-infix␤Undeclared rou…»
jnthn Seems STD agrees. It's parsed as a statement_contorl rather than a term.
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lizmat the do fixes it (for now), I guess we should be able to do without do, no? 22:12
jnthn Not sure, syntax ain't my job :D
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lizmat
.oO( do be do be do }
 22:12
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lizmat TimToady: given "winner $p1, $p2 { done $p1 { ... } done $p2 { ... }" 22:28
would we really need the $p1, $p2 with winner?
winner { done $p1 { ... } done $p2 { ... } } 22:29
seems more sensical to me
because what are you going to do it you specify:
winner $p3 { done $p1 {...} } ??
the parser should create the list of promises / channels to check 22:34
and also should check for doubles, aka: 22:35
winner { done $p2 { say "a" } done $p2 { say "b" } }
should fail at compile time
dalek ecs: e29f3ad | (Elizabeth Mattijsen)++ | S17-concurrency.pod:
Remove direct params from winner ... {}

That list should be automagically created from whatever was specified with the done $foo { } statements		 22:48
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jnthn lizmat: I...think that breaks the done * { } case, no? 22:49
lizmat: There was some discussion of this in the backlog... 22:50
Last night, iirc...
timotimo yeah, if we have winner *, we need done $foo, but if we have winner $foo, $bar, we can have done *
lizmat I would think we don't need done *
jnthn more * is quite useful. 22:51
I can kinda see done * going well with it
Like if you want to write something to multiplex many channels into one.
You don't care which channel you got the think from
lizmat more $c, $d, $e { ... } 22:52
jnthn winner @channels { more * { $res_chan.send($_) }; done * { $res_chan.close() if ++state $ == @channels } } # or so
lizmat more @channels { ... }
fwiw, it feels too magic to me... 22:53
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lizmat by specifying *which* channels you want to check, you make it clearer 22:55
winner $c {
more $c { take $_ }
done $c { last }
}
that's $c 3 times
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timotimo jnthn: your state needs a few more parens, though :) 22:57
lue I'm partially with lizmat, if only because a requirement to specify what you want at least twice feels like a very terrible thing.
timotimo at least i think so
but you don't
winner * { more $c { take $_ }; done $c { last } } 22:58
jnthn std: ++state $ == 42
camelia std 065efb7: OUTPUT«===SORRY!===␤Preceding context expects a term, but found infix = instead at /tmp/ZkREL3VIw9 line 1:␤------> ++state $ =⏏= 42␤Parse failed␤FAILED 00:01 124m␤»
jnthn aww!
lizmat timotimo: except I would drop the '*' in that example
lue std: ++(state $ == 42) 23:00
camelia std 065efb7: OUTPUT«===SORRY!===␤Preceding context expects a term, but found infix = instead at /tmp/uQcsiGJwrG line 1:␤------> ++(state $ =⏏= 42)␤Parse failed␤FAILED 00:01 126m␤»
lue std: ++(state $ = 42)
camelia std 065efb7: OUTPUT«ok 00:01 125m␤»
lue std: ++state $ = 42
camelia std 065efb7: OUTPUT«ok 00:01 123m␤»
lue (a rare inversion of the =/== mixup :P)
TimToady std: 42 == ++state $
camelia std 065efb7: OUTPUT«ok 00:01 124m␤»
timotimo lizmat: dropping the * makes parsing harder, but we already have code to do exactly that 23:01
jnthn TimToady: I'm not sure if that's cheating or technique :P
lizmat timotimo: actually, it already parses 23:02
I have some tests that work already :-)
timotimo yes, as i said, we have code to do exactly that
TimToady prefers to see 'winner *' if it's going to intuit from the list 23:03
timotimo yes
lizmat ok, misunderstood you
timotimo i'm with TTD
lue
.oO(I prefer OpenTTD myself...)
timotimo i just like playing the theme
lizmat winner $a, $b { done $c {} } # should this produce an error? 23:04
timotimo the website has not only a JS version of the game, but also an ogg jukebox =)
lizmat: given the new semantics, yeah, it should
i think i'll drive home and get sleep early today. my head is kinda achy :(
lizmat but with the old ?
TimToady but for a single entry I'd rather see 'winner $c { more * {} done * {} } because it doesn't repeat the $c
timotimo don't forget your ; if you have a single line :)
TimToady left it out on purpose to see if you were awake :) 23:05
timotimo is passing all the tests today
lizmat TimToady: feels like repeating '*' to me 23:06
TimToady better than repeating a variable
lue I'm fine with repeating * though; generic enough to not matter.
(now if * were spelled PLACEHOLDER_ASTERISK ...) 23:07
dalek kudo-star-daily: 8d9601f | coke++ | log/ (5 files):
today (automated commit)
 23:10
[Coke] getting some not-quite-green test results in the modules ^^ 23:13
dalek ecs: f8d3714 | (Elizabeth Mattijsen)++ | S17-concurrency.pod:
Some more simplification: re-introduce winner *
 23:14
ast: 5e7b85b | (Elizabeth Mattijsen)++ | S17-concurrency/winner.t:
Some winner tests
 23:17
lizmat sleep& 23:18
[Coke] someone wants to help getting the star release going, Passing an object candidate to Mu.bless is deprecated in method new at /home/coke/sandbox/rakudo-star-daily/star/rakudo-star-daily/install/lib/parrot/5.9.0/languages/perl6/lib/Template/Mojo.pm:80 23:19
would clean things up a bit.
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lue [Coke]: you could file an issue here about it: github.com/tadzik/Template-Mojo/ 23:37
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