»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.
seatek skink: slurpy: MAIN(*@stuff) 00:00
skink danke 00:02
seatek bitte
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bazzaar o/ perl6 00:07
I've just submitted a PR for doc changes to the Grammar_Tutorial, hopefully folks will think they are ok :) 00:10
I found that the PR dialoque text box doesn't seem to like <tokens> however 00:11
geekosaur dmaestro, those missing symbols are a misbuilt readline. you are missing either -lncurses or -ltinfo 00:13
in the link for libreadline
(which one you need depends on how slackware builds ncurses. separate is the convention for BSDish systems and some Linux distributions [notably RH/Fedora and Debian], combined is the convention for System V and some other Linux distributions) 00:16
skink ... Ever sit back and just be like, "what on earth did I just write?" 00:24
sub MAIN(*@folders) { my $images = (@folders.map: { .IO.dir(test => /:i '.' (jpe?g|png) $/)>>.Str }).flat; ... }
BenGoldberg Why only jpegs and pngs? No support for gifs, tifs, etc? 00:27
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skink Sshhh. I have to check the format support of the lib I'm using. 00:28
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AlexDaniel BenGoldberg: and the most important format is missing! 00:31
SVG!!
BenGoldberg :) 00:32
skink This is a pHash wrapper/util for finding duplicate image, where said duplicates are resized/recompressed/reformatted versions, rather than the same file 00:33
I can post the code, if anyone's interested
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seatek bazzaar: I like the extra bit on <sym>s! A question though - that's a pretty detailed excursion into <sym>'s. Do you think it might be good to have a <sym> section in the actual grammar page? We don't go into detail like that anywhere else in the tutorial I think. I don't know though. 00:41
bazzaar: the point of the tutorial was to get people's heads to wrap around just the concept of grammars themselves... not the detail really
but i'm open to anything always ;) 00:42
but the main grammar doc could really use A LOT of stuff like that sym piece you did 00:43
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seatek whatcha think? i don't know really. i know grammars are a stumbling block conceptually at first until they click 00:44
and my fear is that without that knowledge first, the sym details will just be so much noise.. ? but i can't tell any more for sure.
viki skink: sub MAIN(*@folders) { my $images = (@folders.map: { .IO.dir(test => *.extension eq any <jpeg jpg png>)>>.Str }).flat; 00:47
hmmmm
m: "foo.JPG".IO.extension.say
camelia rakudo-moar 014d4c: OUTPUT«JPG␤»
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viki well, that sucks 00:47
*.extension.lc eq any <jpeg jpg png> :) 00:48
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AlexDaniel viki: lc? But what about unicode extensions? :P 00:55
viki What about them? 00:58
AlexDaniel well, just joking. Have never seen extension with characters out of ascii range 00:59
skink Is there a shorter way of recursively finding those files than the one on the dir docs page?
AlexDaniel source: "foo.JPG".IO.extension
viki You mean to use .fc? Then you'd need to .fc the extensions too and .. meh
AlexDaniel viki: yea 01:00
SourceBaby: "foo.JPG".IO.extension
SourceBaby: help?
:(
viki s: "foo.JPG".IO, 'extension', \()
SourceBaby viki, Sauce is at github.com/rakudo/rakudo/blob/014d...ath.pm#L66
viki SourceBaby: help
SourceBaby viki, Use s: trigger with args to give to sourcery sub. e.g. s: Int, 'base'. See modules.perl6.org/dist/CoreHackers::Sourcery
viki s: "foo.JPG".IO, 'basename', \()
SourceBaby viki, Sauce is at github.com/rakudo/rakudo/blob/014d...ath.pm#L65
viki s: Rakudo::Internals, 'MAKE-EXT', \("foo.JPG") 01:01
SourceBaby viki, Sauce is at github.com/rakudo/rakudo/blob/014d...s.pm#L1765
viki so basically a substr of extension :)
using nqp ops
AlexDaniel m: ‘blah.’.IO.extension.say 01:02
camelia rakudo-moar 014d4c: OUTPUT«␤»
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viki m: ‘.bashrc’.IO.extension.say 01:02
camelia rakudo-moar 014d4c: OUTPUT«bashrc␤»
AlexDaniel great 01:03
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dalek c: d1d5f70 | bazzaar++ | doc/Language/grammar_tutorial.pod6:
Attempt to tighten up the description of how the proto token works,
 01:05
c: 606cb55 | seatek++ | doc/Language/grammar_tutorial.pod6:
Merge pull request #1017 from bazzaar/roundrobin-edits

Grammar Tutorial : attempt to tighten up the description of how the proto token works.
synopsebot6 Link: doc.perl6.org/language/grammar_tutorial
AlexDaniel m: dd Rakudo::Internals.MAKE-CLEAN-PARTS(‘/foo/foo.jpg’) 01:06
camelia rakudo-moar 014d4c: OUTPUT«("", "foo", "foo.jpg", "")␤»
AlexDaniel interesting
m: dd Rakudo::Internals.MAKE-CLEAN-PARTS(‘//foo/foo.jpg’)
camelia rakudo-moar 014d4c: OUTPUT«("//foo", "foo.jpg", "")␤»
AlexDaniel m: dd Rakudo::Internals.MAKE-CLEAN-PARTS(‘///foo/foo.jpg’)
camelia rakudo-moar 014d4c: OUTPUT«("//", "foo", "foo.jpg", "")␤»
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AlexDaniel m: dd Rakudo::Internals.MAKE-CLEAN-PARTS(‘////////foo/foo.jpg’) 01:07
camelia rakudo-moar 014d4c: OUTPUT«("//", "foo", "foo.jpg", "")␤»
AlexDaniel doesn't look right to be honest
but don't know what would be the effect of this
is there anything that uses MAKE-CLEAN-PARTS ? 01:08
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MasterDuke it isn't called by anything 01:12
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BenGoldberg s: Rakudo::Internals, 'MAKE-CLEAN-PARTS', ‘///foo/foo.jpg’ 01:23
SourceBaby BenGoldberg, Something's wrong: ␤ERR: Cannot resolve caller sourcery(Rakudo::Internals, Str, Str); none of these signatures match:␤ ($thing, Str:D $method, Capture $c)␤ ($thing, Str:D $method)␤ (&code)␤ (&code, Capture $c)␤ in block <unit> at -e line 6␤␤
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BenGoldberg s: Rakudo::Internals, 'MAKE-CLEAN-PARTS', \(‘///foo/foo.jpg’) 01:24
SourceBaby BenGoldberg, Sauce is at github.com/rakudo/rakudo/blob/014d...s.pm#L1774
skink Anyone know why .race doesn't get me any speedups here?
gist.github.com/skinkade/a9a0ebf88...f86ca0a022
MasterDuke i seem to recall some weirdness with .race/.hyper and laziness. does anything change if you add a .eager? 01:26
samcv anybody here got Inline::Perl5 working on Travis CI? 01:27
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samcv with perl 6 template it only has like perl 5.12... and inline perl 5 needs 5.18 :( 01:27
skink MasterDuke, per se, .race, and .eager all gives nearly the exact same times 01:30
samcv will try updating perl in the .travis.yml but kinda lame it comes with such an old perl
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skink .race.eager makes the script finish instantly without doing anything @_@ 01:31
MasterDuke .eager.race?
skink semantic satiation is already setting in 01:32
timotimo you need to .hyper.map or .hyper.for or something
not the other way around
at least i think so ...
maybe you're putting the hyper or race in the wrong place?
skink I'll try race.map 01:34
Could be something's blocking in the C lib 01:37
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skink .eager.race and .race.map prevent it from ever finishing, which is... interesting 01:40
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timotimo well, if you first .eager it, then .race it, it'll try to make the whole list first, then continue with multi-threading whatever comes after that 01:43
like .eager.race.for would first slurp all results, then do the .for in parallel
skink I don't think .race.for is a thing 01:47
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skink for foo.eager.race, also sticks 01:49
timotimo oh, right, we don't have .for as a method any more 01:51
but .map will do the trick
skink right, and .race.map causes it to hang :( 01:52
timotimo well, .race and .hyper have been buggy at least in the past ... i haven't looked into them for a few months 01:54
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MasterDuke jnthn said pretty recently (couple days ago?) he was going to look at them soon, but hasn't yet 01:59
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resol p6: class Node { has $!name; } 04:20
camelia ( no output )
resol class Edge { has Node $!first; has Node $!second; }
for me this generates are whole mess of errors .. Package 'Edge' already has an attribute named '$!first' in any add_attribute at gen/moar/m-Metamodel.nqp line 368 in any pkg_add_attribute at src/Perl6/World.nqp line 2830 in any declare_variable at gen/moar/m-Perl6-Actions.nqp line 3162 in any variable_declarator at gen/moar/m-Perl6-Actions.nqp line 3073 in any variable_declarator at src/Perl6/Grammar.nqp line 2525 in any declarator a 04:21
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resol Trying to follow some of the hands on tutorials for classes. 04:22
Obviously I'm doing something incorrectly ... just don't know quote what it is. 04:23
gfldex m: class Edge { has Node $!first; has Node $!second; } 04:25
camelia rakudo-moar 014d4c: OUTPUT«5===SORRY!5===␤Type 'Node' is not declared. Did you mean 'Code'?␤at <tmp>:1␤------> 3class Edge { has Node7⏏5 $!first; has Node $!second; }␤Malformed has␤at <tmp>:1␤------> 3class Edge { has7⏏5 Node $!first; has Node $!second; }…»
gfldex m: class Node {}; class Edge { has Node $!first; has Node $!second; }
camelia ( no output )
gfldex resol: what does perl6 --version say? 04:26
resol This is Rakudo version 2016.10 built on MoarVM version 2016.10 implementing Perl 6.c. 04:27
timotimo resol: are you doing this in a file or in a REPL? 04:28
resol Hi there timotimo, yes, was trying it in REPL ... maybe that's the problem ... can't experiment there? 04:29
timotimo well, it'll potentially already have a class Edge and try to add the attributes to it again
the REPL is ... kind of problematic sometimes 04:30
resol It also does the same if I try the example in the intro
class Human { has $.name ; has $.age; }
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timotimo huh, so when you open a fresh repl, and copy-paste that code in, it explodes with that error? 04:31
resol Ha, oddly enough, I just tried to close and re-open REPL, and voila the one for the Human worked. 04:32
So my choice of Edge and Node are the problem.
timotimo maybe not
try doing it again
resol I was trying to do a quick test to set up a directed graph
And I chose Node and Edge as classes 04:33
timotimo it works fine on my machine, fwiw
and it should most definitely work when put into a file
i need to sleep :) 04:35
good luck!
resol Thanks ... I put things into a file, and changed the name of Edge to Link and it works fine. 04:36
Thanks for the help
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seatek m: class C { method a_12() { say 'hi' }}; 06:35
camelia ( no output )
seatek m: class C { method a-12() { say 'hi' }};
camelia rakudo-moar 014d4c: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Missing block␤at <tmp>:1␤------> 3class C { method a7⏏5-12() { say 'hi' }};␤»
seatek m: class C { method a12() { say 'hi' }};
camelia ( no output )
seatek m: class C { method a-bc() { say 'hi' }}; 06:36
camelia ( no output )
psch m: my $a-12
camelia rakudo-moar 014d4c: OUTPUT«WARNINGS for <tmp>:␤Useless use of "-" in expression "my $a-12" in sink context (line 1)␤Use of uninitialized value of type Any in numeric context␤ in block <unit> at <tmp> line 1␤»
psch m: my $a12-a; 06:37
camelia ( no output )
seatek yeah it thinks it might be math after method
psch it always commits to math if there's a number on the RHS of - 06:38
seatek ok 06:39
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psch m: class A { method ::("a12-5") { "baz" } }; say A."a12-5"() 06:51
camelia rakudo-moar 014d4c: OUTPUT«baz␤»
psch seatek: ^^^ if you *have* to...
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seatek no, i just get all happy about being able to use $this-stuff instead of $this_stuff, but then i keep running into places where that's not always possible 06:52
just trying to find the happy ground level ;) 06:53
psch well, it works as long as you have an alphabetical grapheme on the right side of the dash
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seatek it's true - and i've adjusted my creativity to conform to such fascism that is expedient. ;) 06:54
i tried method 123-abc() btw too ;) 06:56
psch well, it does have to start with alpha too 06:57
seatek :)
i feel so oppressed
psch great
seatek hehe :)
actually never have seen anything that could start with numbers
i wonder why that is.
no language i can think of does
except assembly 06:58
i guess i have all of unicode as my canvas though, except for numbers. curse my feeble keyboards 06:59
actually, it's probably for the best 07:00
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ZzZombo I have not been following Perl 6 development for a while, but today I learned a new RC is out. So on the scale from 0 till 10, how good is it this time to start using it? 07:22
psch ZzZombo: it's not an RC, it's a release
ZzZombo: as for "using it", it depends on what you want to use it for
ZzZombo I want to switch over to it. 07:23
psch for what? system programming? web dev? glue?
ZzZombo For new applications.
seatek I've been having lots of fun with it :) 07:24
psch i'd assume the biggest concern for developing new applications is deployability 07:25
ZzZombo I'm mostly doing nothing but coding random pieces of programs for my own use. More of playing with the language, like with LEGO.
psch assuming you're not exclusively doing stuff inhouse
seatek it's been working out well for me ZzZombo. Definitely worth playing around with. And it's not changing fast -- it's pretty stablized 07:27
psch the "1.0" of the specification has been released last christmas, "1.1" is slowly starting to emerge 07:28
the recommended compiler Rakudo largely complies to that specification
specifically the MoarVM backend. jvm is kind of a mess in a few spots, due to big architectural differences 07:29
ZzZombo Hm, but I assume there is lack of editor support. Is there Perl 6 support for Eclipse?
psch it's still useable, though
seatek I use an Emacs major mode for Perl6 - not sure about anything else
psch i think atom has syntax highlighting, there's a vim plugin too
i personally find the language intuitive and visually distinctive enough to not use syntax highlighting 07:30
seatek you know i wonder if notepad++ on windows has support yet for it
ZzZombo I dismissed Atom, because most of claimed features were working wrong.
psch as for auto completion and such, i'm not sure. we have some support for that in the REPL, but i'm not aware of anyone utilizing that in an editor 07:31
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ZzZombo Hm, rakudo.org/downloads/star/ is missing the latest version for Windows. Shame. 07:35
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seatek someone just said a day or 2 ago that the new windows build was out... 07:36
pl6anet.org/drop/ was that it? 07:38
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psch it does look like a R* MSI from here... :) 07:40
seatek yeah just skipping .10 altogether and going on to .11 eh?
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psch star is every 3 months 07:41
...i thought at least?
star-m: say $*PERL.compiler
camelia star-m 2016.10: OUTPUT«rakudo (2016.10)␤»
ZzZombo Wait, what? The installer won't even let me change installation directory??
psch has been wrong before, and apparently is wrong now
ZzZombo Ugh, uh oh 07:42
how odd
I have NO desire to let it settle on C:
psch ZzZombo: the vm unfortunately still has some hardcoded paths. there's usually more pressing issues, patches welcome :)
samcv is it normal for comb :match to show the wrong number of elements? if i add a .eager after it, it works fine
seatek yeah there's something about that on windows... that's it's locked in
samcv but unless I do that it misses the second half of everything it combs through
psch samcv: do you have an example? 07:43
samcv yes
andrzejku hey 07:44
:)
samcv hold on maybe that's not the issue. give me some more time to check some things
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ZzZombo P6 XML module lacks XPath support. A pity. 07:45
moritz patch it in!
ZzZombo Guess I'll have to fiddle with getting XML::LibXML work in P6?
I know way too little for that to happen, I fear.
samcv ugh it's showing different numbers every time. and i tried slurping the file it's processing, instead of getting it thrcough curl
and then it hangs on comb, and uses 100% cpu 07:46
lemme upload it
ok here's the perl 6 file gist.github.com/66ac86ada35cf24ba1...4e552556de 07:47
here is the file i'm slurping gist.github.com/66ac86ada35cf24ba1...4e552556de
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samcv it slurps fine i can print out the variable it puts it in, but it hangs. and curling the page using qx, it will work but have inconsistent numbers of matches, tho now 100% sure if that's comb's fault or something else, the site not always replying the same. 07:48
but it always hangs for me when i slurp that file
andrzejku :-)
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samcv so had nothing to do with eager/lazy or not, must have been coincidence i added that, and got a higher number of matches 07:49
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psch hm, it does look pretty reasonable, what you're doing 07:50
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psch although i suspect you pasted the wrong link for the file that's being slurped :) 07:50
samcv yeah... and it ''works'' if i curl it into a variable
oh
yes
gist.github.com/50209bf6ba2716860d...03b64c40b5 here it is :) 07:51
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psch hm, i'm not seeing anything that i'd would expect to match your pattern in the second file 07:54
...it is a big file though, so yeah :)
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psch yeah, there's not even a single '<span>' in there afaict 07:57
as in, all opening span tags have attributes
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samcv yeah shouldn't hang tho :\ 07:57
psch soo i'd guess it loops because it finds a \d+ followed by a '</span>', then non-greedy walks through the whole file, doesn't find anything, tries the next \d+...
i suspect it'd finish eventually :) 07:58
samcv hahah
seatek sometimes it pays to be greedy?
psch eh, i think greedy wouldn't help here, it'd just shift to backtracking instead of "forwardtracking" 07:59
ahh, github truncated the file
so maybe there *is* a '<span>' somewhere...
hm, browser still says no 08:00
seatek you could use greedy grammar rules :)
samcv my $matches = $data.comb( / (\d+) '</span>' (.** 1..10 '<span>' /, :match, ∞); doing this finishes 08:01
so yeah it was just uh. i guess going through everything again and again haha
psch still curious that i don't see the string '<span>' anywhere in the file :)
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samcv though. it should notice there isn't any <span> or something 08:01
ah i saved it from my browser. so it must have totally changed it 08:02
psch the all have attribute, hence '<span .+>'
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seatek yet again i weep in thankfulness for multi-line comments 08:33
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ZzZombo How do I install modules in Perl 6? I don't seem to see that anywhere. 08:37
seatek you should have gotten the program panda along with your distro i think 08:38
zef also does it
panda pulls modules from the repository at modules.perl6.org/ 08:39
ZzZombo Does it come with the installer? 08:40
because for me it says unknown program "panda"
seatek i don't know.. i think it's part of rakudo-star distribution
hmm
moritz it is
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seatek is it in c:\rakudo\bin? 08:43
i don't know what terminals and paths and whatnot of windows ways 08:44
ZzZombo It's not here, but I made a mistake of not launching a new cmd.exe instance, since the one I used of course missed the new PATH values. 08:45
now it works.
seatek ah ok :)
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masak good morning, #perl6 08:52
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seatek good morning masak 08:56
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[ptc] o/ 09:04
samcv ZzZombo, welcome to perl 6" 09:05
perl6! i mean
DrForr o/
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grondilu oh we have a str type? 09:34
m: say my str $ = "foo"
camelia rakudo-moar 014d4c: OUTPUT«foo␤»
ZzZombo samcv, thanks.
speaking of it, how do I nicely translate a P5 module into P6? I have a class module named X, invoked via the usual X->new(blah). 09:37
in P6, if I leave it in the same named file, I would have to use X::X->new for the same purpose, wouldn't I? And it is not pretty to repeat yourself.
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seatek m: class MyClass { has $.x; method doit() { say $.x } }; my $c = MyClass.new(x => 3); $c.doit; 09:39
camelia rakudo-moar 014d4c: OUTPUT«3␤»
grondilu if it's a class it's not a module. So 'use X; X.new(blah);'
psch if you have a Perl 5 class and want to use it, install Inline::Perl5 and 'use Perl5Class:from<Perl5>', i'd say :) 09:40
ZzZombo hm
grondilu unlinke in P5, there is an explicit distinction between packages, modules and classes.
ZzZombo no, I'm translating my own class into P6 for learning 09:41
psch probably start at docs.perl6.org/language/classtut
seatek there are actual keywords now to define classes
class Blah { define_in_here }
ZzZombo so, I'm feel like I miss where should I define that class for using that in other modules.
psch a class is a module is a package 09:42
grondilu ZzZombo: define your class as a computing unit
unit class X; <= your file will begin as such
and then you do 'use X;' 09:43
'use X; X.new' as psch said : a class *is* a module 09:44
seatek that class tutorial is pretty good
ZzZombo so I can add a :ver to it, for example> 09:45
?*
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psch the version of a module is defined in its META6.json 09:46
seatek you can do version in unit stuff
and author
psch at least if i'm still up-to-date on CURI stuff...
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ZzZombo ugh, there is a lot to learn. Not that it's bad, just exhausting :) 09:46
seatek it's very much like Moose if you've ever used it. Or moose is a lot like it
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bazzaar seatek: thanks for approving/merging my edits of the proto-regex part of the grammar tutorial doc 10:16
El_Che Update Linux Rakudo packages: github.com/nxadm/rakudo-pkg/releas...ag/2016.11 (not rakudo star, just monthly rakudo) 10:17
seatek bazzaar: thank you for helping others out! was a little worried it might be too detailed for the tutorial, but unfounded worry i think! 10:20
bazzaar I understand your concern, as to how much detail should be in the tutorial. I quess it was the use of this mysterious <sym> token in the doc, that prompted me to make those edits :) 10:22
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seatek yeah, i wrestled with that exact question when i was writing it, and decided to gloss over it... but i think you did it in a very clear way that only helps and shouldn't derail new learners 10:23
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dalek : b808a67 | (brian d foy)++ | misc/perl6advent-2016/schedule:
I'll do the advent calendar

  Zoffix pinged me on Twitter.		 10:29
: b4b3b5f | RabidGravy++ | misc/perl6advent-2016/schedule:
Merge pull request #16 from briandfoy/patch-1

I'll do the advent calendar
bazzaar seatek: Thank you for writing the Grammar Tutorial doc, it's certainly helped me to better understand the use of Grammars and Action classes.
10:33 bazzaar left
seatek oh well that made me feel good 10:35
gfldex :) 10:36
it's a funny feeling to look some detail up in the docs and to realise that I wrote that 10:37
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seatek :) 10:43
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ZzZombo hm 10:57
I just found something I don't like about P6: 10:58
new syntax for the ternary operator!
whyyyy...
psch m: say ?"0"
camelia rakudo-moar 014d4c: OUTPUT«True␤»
psch because LTM means we cannot have a prefix:<?> *and* the old ternary operator
FROGGS[mobile]2 we needed the colon
psch came after that meme 10:59
ZzZombo what does that do, psch?
FROGGS[mobile]2 boolify
ZzZombo So "0" is true?
psch ZzZombo: it's the high precedence for of &so, which is the opposite of &not, so yes, as FROGGS[mobile]2++ says, boolify 11:00
FROGGS[mobile]2 sure
psch s/for/form/
ZzZombo hmm
FROGGS[mobile]2 it is a non-empty string
ZzZombo add that the the list of things I don't like, then. :P
to*
jnthn Also, the various other conditional-y operators that short-circuit are double-chars (consider &&, || and //)
FROGGS[mobile]2 *g*
jnthn And : doesn't suggest "not" in any way, while !! does 11:01
So a ?? b !! c is more consistent in various ways
FROGGS[mobile]2 ZzZombo: you have to admit that "0e0" in P5 is a hack
jnthn (We had it as a ?? b :: c at some point) 11:02
ZzZombo I don't really care about that, I just think '0' should be false.
psch m: say so +'0'
camelia rakudo-moar 014d4c: OUTPUT«False␤»
psch it *can* be
:)
ZzZombo ugh
what
the
???
FROGGS[mobile]2 consistency
ZzZombo m: say ?"0" 11:03
camelia rakudo-moar 014d4c: OUTPUT«True␤»
ZzZombo ^ ?
jnthn + just numifies it first
FROGGS[mobile]2 a string is not the same type as an integer
ZzZombo yes, I got it.
FROGGS[mobile]2 we can destinguish, and we do
ZzZombo anyway, I was about to write that '' and '0' out of all string values should be false, IMO. 11:04
FROGGS[mobile]2 P5 cannot always, so it does not
why "0"?
psch ...and why ' ' not?
FROGGS[mobile]2 and why not "0.0" too then? 11:05
psch and '0+0i'
TEttinger "zero"
ZzZombo is there a difference between '' and "" other than interpolation?
FROGGS[mobile]2 no
ZzZombo well, that's it.
I just omitted it 11:06
May I suggest an edit to docs, and where? 11:08
viki ZzZombo: github.com/perl6/doc
ZzZombo: why would "0" be False? It's a string with content in it!
FROGGS[mobile]2 ZzZombo: there are things that feel foreign the first days, but when you accepted it you can start loving it for its consistency and logic 11:09
I certainly do
viki ZzZombo: as for the ternary.... you'll get used to it. It's far more visible than traditional one. I actually hate how other languages do it now, because it just blends with the rest of the code.
ZzZombo I guess I too accustmed to Perl 5, but I have some other reasons behind that, that are too hard to explain for me. Especially since I'm not a native English speaker. 11:10
FROGGS[mobile]2 especially when there is no whitespace
me neither
jnthn We did actually have "0" as True at first. It was quite funny when we changed it, because reivewing places we'd need to tweak showed that various pieces of code were already assuming it meant "string is not empty", so we got some free bug fixes. :-) 11:11
viki ZzZombo: well, then if you're accustomed to Perl 5 you know that "0" being false was a giant pain in the ass as you always had to do if (defined $user_input and length $user_input) {} and after 5.14 you could finally write if (length $user_input) {} but in Perl 6 you can just write if $user_input { ... }
ZzZombo viki: thanks, edited the page. 11:17
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pmurias ZzZombo: I really like the new ternary operator as it visually stands out more 11:32
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smls bisectable6: say (1...5).list.WHAT 11:45
bisectable6 smls, On both starting points (old=2015.12 new=014d4cf) the exit code is 0 and the output is identical as well
smls, Output on both points: (List)
smls Hm, I thought a lower-case .list used to pass through any Iterable as-is 11:46
psch bisectable6: old=2014.12 say (1...5).list.WHAT 11:47
bisectable6 psch, On both starting points (old=2014.12 new=014d4cf) the exit code is 0 and the output is identical as well
psch, Output on both points: (List)
psch that must've been quite some time ago
smls guess I misremembered
tbrowder hi #perl6
psch oh, except Iterable... those are rather new
smls Problem of the current behavior is that `for @$foo { ... }` is not memory-efficient if $foo is a large Seq 11:48
I guess this means .list enforces "positional iterable" context, not just "iterable" context? 11:49
psch m: say { :1a, :2b }.list.keys 11:50
camelia rakudo-moar 014d4c: OUTPUT«(0 1)␤»
psch i always took it as such, yes
smls ok
jnthn @ actually does .cache these days rather than .list
m: my $a = 1..5; for $a { .say } 11:51
camelia rakudo-moar 014d4c: OUTPUT«1..5␤»
jnthn m: my $a = 1..5; for |$a { .say }
camelia rakudo-moar 014d4c: OUTPUT«1␤2␤3␤4␤5␤»
jnthn That doesn't cause any caching though
smls ok
jnthn So is preferable to for @$a { .say }
tbrowder I'm trying to test a CGI script and need to provide the %*ENV normally expected with Apache. I have a test module that provides that hash for my CGI utils module but it doesn't seem to hold its values after it's first loaded. I have declared it as a state variable. Ideas?
Maybe put it in a BEGIN block? 11:52
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viki ZzZombo: I'm not seeing the edit.... 11:53
tbrowder BEGIN block didn't help. I'll but code in a gist... 11:54
ZzZombo github.com/ZzZombo/doc
tbrowder s/but/put/
ZzZombo @array[$i]:exists tests if @array has element at $i, not if it has a value of $i, doesn't it? 11:55
moritz it checks if it has an index of $i
11:55 jonas1 left
viki ¯\_(ツ)_/¯ 11:55
I guess you'll send a PR :)
ZzZombo I did already, didn't I? 11:56
viki Nope
11:56 jonas1 joined
viki ZzZombo: right, has element at.... $i is the index 11:56
m: my @a; say @a[5]:exists
camelia rakudo-moar 014d4c: OUTPUT«False␤»
viki m: my @a = ^10; say @a[5]:exists
camelia rakudo-moar 014d4c: OUTPUT«True␤»
viki m: my @a = ^10; @a[5]:delete; say @a[5]:exists
camelia rakudo-moar 014d4c: OUTPUT«False␤»
viki ZzZombo: oh sorry you did 11:58
ZzZombo: I forgot I have notifications turned off in that repo
dalek c: 80b5ce9 | ZzZombo++ | doc/Language/5to6-nutshell.pod6:
I believe this emphasis was wrong

At first I got the impression I DO HAVE to take care with ranges.
synopsebot6 Link: doc.perl6.org/language/5to6-nutshell
dalek c: aeabf1a | (Zoffix Znet)++ | doc/Language/5to6-nutshell.pod6:
Merge pull request #1018 from ZzZombo/patch-1

I believe this emphasis was wrong
synopsebot6 Link: doc.perl6.org/language/5to6-nutshell
ZzZombo eh, I almost started to curse Github for somehow losing my PR. 11:59
I frantically searched it, but for some reason I indeed couldn't find it. 12:00
sigh
gfldex ZzZombo: the docs are free for all. If you comtribute often, you are more then welcome to skip the RPs and mess things up directly. :->
ZzZombo Nice to know. 12:01
I guess I'll hang around here, so maybe I will be of some use after all.
viki \o/
dogbert17 o/ 12:02
is moritz around by any chance?
viki But on the topic of '0' being true. It makes sense in Perl 6 because Perl 6 has types. 0 is an Int and '0' is a Str. BUT, if you're dead bent on it being false, you can make it false. 12:03
m: say my $v = '0' but False; say so $v
camelia rakudo-moar 014d4c: OUTPUT«0␤False␤»
viki hehe
12:03 jonas1 left
viki m: my $v = '0' does False; say so '0' 12:03
camelia rakudo-moar 014d4c: OUTPUT«True␤»
viki m: my $v = '0' does False; say so $cv 12:04
camelia rakudo-moar 014d4c: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Variable '$cv' is not declared␤at <tmp>:1␤------> 3my $v = '0' does False; say so 7⏏5$cv␤»
viki m: my $v = '0' does False; say so $v
camelia rakudo-moar 014d4c: OUTPUT«False␤»
12:04 jonas1 joined 12:05 FROGGS[mobile]2 left
moritz dogbert17: I am, on and off 12:05
viki doesn't really get why that works. False ain't a role....
m: my $v = '0' but 1; say +$v
camelia rakudo-moar 014d4c: OUTPUT«0␤»
viki m: my $v = '0' but 1; say $v
camelia rakudo-moar 014d4c: OUTPUT«0␤»
viki :|
dogbert17 moritz: take a look at this, time permitting: gist.github.com/dogbert17/511c3dd5...3204be40c0
trying to remove the duplicated .from documentation 12:06
moritz dogbert17: by adding a third? :-)
dogbert17: no, looks good
dogbert17 moritz: thx, will update 12:07
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viki s: &infix:<but>, \(0, 1) 12:09
SourceBaby viki, Sauce is at github.com/rakudo/rakudo/blob/014d...ors.pm#L83
viki m: my $v = '0' but 1; say $v.Int 12:10
camelia rakudo-moar 014d4c: OUTPUT«1␤»
viki Ah
ZzZombo "# pi, e, i are built-in constants in Perl 6"
what is i?
viki m: say i.^name 12:11
camelia rakudo-moar 014d4c: OUTPUT«Complex␤»
moritz ZzZombo: sqrt(-1)
12:11 nowan left
ZzZombo is it for complex numbers? 12:11
moritz yes
ZzZombo oh
ninja'd
viki τ is also built-in
m: my $v = '0' but class { method ^name { Numeric }; method gist { "meows!" } }; say +$v 12:12
camelia rakudo-moar 014d4c: OUTPUT«X::Mixin::NotComposable exception produced no message␤ in block <unit> at <tmp> line 1␤␤»
12:12 pierre_ joined
viki bah 12:12
m: my $v = '0' but class { method ^name { Numeric }; method gist { "meows!" } }.new; say +$v
camelia rakudo-moar 014d4c: OUTPUT«Too many positionals passed; expected 1 argument but got 2␤ in method name at <tmp> line 1␤ in block <unit> at <tmp> line 1␤␤»
ZzZombo produced no message
how funny
viki m: my $v = '0' but class { method ^name ($) { Numeric }; method gist { "meows!" } }.new; say +$v
camelia rakudo-moar 014d4c: OUTPUT«0␤»
viki :(
Well, so much for that!
m: my $v = '0' but class { method ^name ($) { 'Numeric' }; method gist { "meows!" } }.new; say +$v 12:13
camelia rakudo-moar 014d4c: OUTPUT«meows!␤»
viki win!
dalek c: 7b42420 | (Jan-Olof Hendig)++ | doc/Type/List.pod6:
The docs for .from was incorrect. moritz++
 12:14
synopsebot6 Link: doc.perl6.org/type/List
12:16 pierre_ left
viki m: X::Mixin::NotComposable.new(:target('0'), :rolish(class { method ^name { Numeric }; method gist { "meows!" } })).throw; 12:16
camelia rakudo-moar 014d4c: OUTPUT«X::Mixin::NotComposable exception produced no message␤ in block <unit> at <tmp> line 1␤␤»
viki dafuq 12:17
m: X::Mixin::NotComposable.new(:target('0'), :rolish(class { method ^name { 'Numeric' }; method gist { "meows!" } })).throw
camelia rakudo-moar 014d4c: OUTPUT«X::Mixin::NotComposable exception produced no message␤ in block <unit> at <tmp> line 1␤␤»
viki Ahhh 12:19
12:20 smls left
viki It's cause I messed around with ^name. So when it calls it, inside the exception things hexplode 12:20
m: X::Mixin::NotComposable.new(:target('0'), :rolish(class { method ^name ($) { 'Numeric' }; method gist { "meows!" } })).throw
camelia rakudo-moar 014d4c: OUTPUT«Cannot mix in non-composable type Numeric into object of type Str␤ in block <unit> at <tmp> line 1␤␤»
12:20 kurahaupo__ joined 12:22 khw joined
tbrowder problem solved: I put this line **inside** the subs needing %*ENV: state %*ENV = get-env(); 12:23
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chienjo /nick hchienjo 12:24
12:24 chienjo is now known as hchienjo
viki tbrowder: what was the original problem? 12:25
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viki "trying to test a CGI script" ah... well, there's your proble m^_^ 12:26
^_^
But the fact that you got a Perl 6 CGI script and you aren't complaining that it's unbearably slow makes me happy :)
And I'm guessing it didn't work before is 'cause it's a dynamic variable 12:27
arnsholt tbrowder: There may be shenanigans going on with persisting %*ENV across process boundaries 12:29
Depending on exactly how you've got the testing stuff set up
12:33 FROGGS[mobile] joined
dalek c: 049f91e | (Jan-Olof Hendig)++ | doc/Type/List.pod6:
Some tidying up
 12:41
synopsebot6 Link: doc.perl6.org/type/List
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tbrowder so far it seems to be working, at least enough so i can test the subs from Perl 5 CGI i want. 12:50
I will provide gist if anyone is interested
BTW, what about putting a link to brian d foy's kickstarter campaign on Perl 6 somewhere? 12:51
gfldex it's on reddit 12:52
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kalkin- hi 12:59
A few days ago i had some issues, because I assumed that foo: arg1, arg2. is a valid way to call a function. (Now I know it isn't, it's a label). Now I'm rereading docs.perl6.org/language/functions....#Arguments and notice that i can do f: { say "foo" }; to pass a block to function f 13:01
psch kalkin-: please taboo "function", use "sub" or "method", as appropriate 13:02
kalkin- why does this work? shouldn't 'f:' be a label?
psch: ok, thanks
viki m: sub f(&c) { c xx 10 }; f: { say "wat" }
camelia rakudo-moar 014d4c: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Undeclared routine:␤ xx used at line 1␤␤»
viki :|
m: sub f(&c) { c() xx 10 }; f: { say "wat" }
camelia rakudo-moar 014d4c: OUTPUT«wat␤»
viki kalkin-: seems to be a mistake in the docs
m: sub f(&c) { c() xx 10 }; f { say "wat" } 13:03
camelia rakudo-moar 014d4c: OUTPUT«wat␤wat␤wat␤wat␤wat␤wat␤wat␤wat␤wat␤wat␤»
jnthn I think confused docs too. Maybe somebody over-abstracted from the method call colon syntax 13:04
($foo.bar: $arg1, $arg2)
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kalkin- I think viki mentioned last time, that I'm not the first one assuming it, this may be the source of the confusion 13:04
dalek c: fde45f2 | (Zoffix Znet)++ | doc/Language/functions.pod6:
Fix up function arguments prose to exclude erroneous "adverbial form"
 13:05
synopsebot6 Link: doc.perl6.org/language/functions
kalkin- Hmm, why can i do colon syntax on methods? 13:07
viki Because it's a thing that exists.
kalkin- ok but whats' the motivation behind adding a unique way to pass parameters to a method, which subs don't have? 13:08
viki Makes it cleaner, especially when nesting. say @foos.map(*.base: 16).grep: * eq '2212';
jnthn Subs have listop syntax. Methods don't.
dalek c: 8858b54 | seatek++ | doc/Language/traps.pod6:
documented tail method for last elements too
 13:09
synopsebot6 Link: doc.perl6.org/language/traps
viki and you have ambiguity with labels too
jnthn foo bar 42; # foo(bar(42))
$x.foo $y.bar 42 # illegal
$x.foo: $y.bar: 42 # $x.foo($y.bar(42))
viki calls the police
jnthn watches viki 13:10
viki puts more clothes on 13:11
jnthn
.oO( That sounds freaky if you miss the reference... )
kalkin- hmm, i see 13:12
Thank you for the explanation
cosimo @madamski: would appreciate if you could have a look at HSD-7409 13:14
(sorry)
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bazzaar o/ 13:18
viki \o
ZzZombo Do I read it right that each time I create an object, it's possible that a field will be initialized several times by different inherited constructors? 13:20
bazzaar moritz: I tried to subscribe to the mailing list for your new perl6 book project, but when I hit the subscribe button on your blog page, nothing seems to happen.
viki ZzZombo: don't think so, where'd ya read that? 13:21
DrForr \o/ \o\ /o/ /o\ HEY MACARENA
kalkin- m: say f(|c) { .say }; f :a:b
camelia rakudo-moar 014d4c: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Unexpected block in infix position (missing statement control word before the expression?)␤at <tmp>:1␤------> 3say f(|c)7⏏5 { .say }; f :a:b␤ expecting any of:␤ infix␤ infix …»
ZzZombo "BUILDALL walks all subclasses in reverse method resolution order (i.e. from Mu to most derived classes) and in each class checks for existence of a method named BUILD. If it exists, it is called, again passing all named arguments from method new to it. If not, the public attributes from this class are initialized from named arguments of the same name."
viki bazzaar: did you get an email?
kalkin- m: sub f(|c) { .say }; f :a:b 13:22
camelia rakudo-moar 014d4c: OUTPUT«(Any)␤»
psch m: class A { has $.a is default(Proxy.new(FETCH => -> $ { say "fetched" }, STORE => -> $, $ { say "stored" })) }; class B is A { }; class C is B { }; C.new(:1a).perl.say
camelia rakudo-moar 014d4c: OUTPUT«fetched␤fetched␤fetched␤fetched␤C.new(a => 1)␤»
bazzaar viki: no email, it's been about 10mins 13:23
viki bazzaar: try one on perl6book.com/
ZzZombo: ah, yeah BUILD will be called on each. That's why it's a submethod 13:24
kalkin- m: sub f(|c) { .say }; f :a:b # how do I access all the arguments stored in c?
camelia rakudo-moar 014d4c: OUTPUT«(Any)␤»
viki m: sub f(|c) { c.say }; f :a:b
camelia rakudo-moar 014d4c: OUTPUT«\(:a, :b)␤»
kalkin- ahh no sigil
viki "c" in that syntax is just a name... you could write f(|whatever) 13:25
13:25 wamba joined
viki and it's a Capture 13:26
huggable: Capture
huggable viki, Argument list suitable for passing to a: docs.perl6.org/type/Capture
viki huggable: Capture :is: Argument list suitable for passing to a Signature: docs.perl6.org/type/Capture 13:27
huggable viki, Added Capture as Argument list suitable for passing to a Signature: docs.perl6.org/type/Capture
ZzZombo so, there is a caveat of redudant initialization; say I have has $.a=MyClass.new, each constructor in the chain will allocate a new object, won't it? 13:28
moritz no 13:29
viki ZzZombo: don't think so. It'll just call submethod BUILD for each thing in the chain
moritz there's one allocation for the object
viki if it exists
13:29 wamba left
moritz and possibly multiple different BUILD methods are called on the same instance 13:29
bazzaar: if you /msg me your email address and first name, I can add you manually to the list 13:30
13:30 mj41 left
bazzaar viki: nice link, the form also asks for 'Last Name' which the blog form did not, however still nothing seems to happen when the subscribe button is clicked 13:30
kalkin- Is there a way to alias subroutine arguments? What i want to achieve is that ls :a is the same as ls :all
viki kalkin-: yeah...
umm
moritz kalkin-: yes, sub ls(:all(:$a)) { }
viki s: 'foo', 'match', \() 13:31
SourceBaby viki, Something's wrong: ␤ERR: Could not find candidate that can do \()␤ in sub sourcery at /home/zoffix/services/lib/CoreHackers-Sourcery/lib/CoreHackers/Sourcery.pm6 (CoreHackers::Sourcery) line 29␤ in block <unit> at -e line 6␤␤
viki well, there :)
s: 'foo', 'match', \(/x/)
SourceBaby viki, Sauce is at github.com/rakudo/rakudo/blob/014d...r.pm#L1013
13:31 lucasb_ joined
psch m: sub f(:everything(:all(:$a))) { say "$a" }; f :a; f :all; f :everything 13:31
camelia rakudo-moar 014d4c: OUTPUT«True␤True␤True␤»
psch to arbitrary depths \o/
although i think the parser pays a bit when there's many of those
kalkin- psch: how does it work? 13:32
psch kalkin-: how does what work? the parser?
viki I think that's part of destructuring, innit? 13:33
kalkin- or can i wrap passed arguments in anything inside a the () of a subroutine?
btw very awesome, that this works :) 13:34
viki There's a blurb in docs.perl6.org/type/Signature#inde...gnature%29
psch m: sub f(% (:$a, *%)) { $a }; say f { :a }
camelia rakudo-moar 014d4c: OUTPUT«True␤»
bazzaar moritz: will do, thanks. PS. the book news is really exciting
psch viki: i suppose it fit at least thematically to destructuring, yeah
i don't have it there in my head, i just have it as "aliasing named parameters" or so 13:35
kalkin- I think destructuring is the keyword I wanted to know, thank psch & viki
jnthn Me too fwiw; it's just a way to give a named param another name
s/another/an alternative/ 13:36
kalkin- btw: this feature makes perl6 useful as a shell language
I mean as a _shell_
lucasb_ when I call methods that use $*ARGFILES (implicitly or explicitly), is it supposed to consume @*ARGS? 13:37
when I'm done reading $*ARGFILES, then @*ARGS is empty 13:38
should it operate on a copy of it?
*shouldn't ... 13:39
viki heh
"write string requires an object with REPR MVMOSHandle" 13:40
with perl6 -e 'for $*ARGFILES { .say }; say @*ARGS' foo.txt
pmurias kalkin-: you mean as a comman line shell of the sorts bash etc. is?
* command
viki lucasb_: well, what are you doing to $*ARGFILES?
lucasb_ perl6 -e 'for $*ARGFILES.lines { .say }; say @*ARGS' file...
kalkin- pmurias: yes
lucasb_ viki: I'm just reading it using lines()
viki yeah, weird. 13:41
lucasb_: I'd say that's a bug, at least as far as what my expectations of behaviour would be
s: $*ARGFILES, 'lines', \()
SourceBaby viki, Sauce is at github.com/rakudo/rakudo/blob/014d...les.pm#L79
lucasb_ the thing is that ARGFILES is initialized with IO::ArgFiles.new(:args(@*ARGS)) 13:42
and IO::ArgFiles just goes "shifting" the same array passed as argument, the original array, not a copy
dalek c: 90da8ef | (Jan-Olof Hendig)++ | doc/Type/Match.pod6:
Added some examples to .prematch and .postmatch
 13:43
synopsebot6 Link: doc.perl6.org/type/Match
jnthn lucasb_: That could well be intentional. Suppose you found some input error and wanted to report the remaining files that were not processed... 13:44
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jnthn didn't implement it though, so doesn't actually know if it was a concious choise 13:44
*choice
I can see the use of it being in-place though
viki Wouldn't that information be preserved in $*ARGFILES.args ? 13:45
viki shrugs
Well, the fix is technologically simple :) But I now don't know what the right thing is :)
lucasb_: why did you need @*ARGS to remain? 13:46
lucasb_ I didn't need it for anything... yet :)
I was just surprised the array changed 13:47
IO::ArgFiles iterates over the files in @*ARGS... wouldn't it be better if this information be kept inside the object itself
viki Actually, I call that a bug. The second loop doesn't run here, for example: perl6 -e 'for $*ARGFILES.lines.cache { .say }; for $*ARGFILES.lines { .say }; say @*ARGS' foo.txt 13:48
lucasb_ information like, the original :args argument passed, the current filename, the remaing ones, etc.
viki So you can only do stuff with $*ARGFILES once and then you're screwed
will spectest a fix after my current commit stresstests and goes in 13:49
lucasb_ well, I consider ARGFILES, a *pseudo-handle*, so I wouldn't expect to be able to rewind it, after having read to the end
ZzZombo am I missing something? All examples only show how to add a getter for a property, but not setters.
Why?
viki hm 13:50
ZzZombo Am I forced to use "set_$prop" names for them, separate from the underlying attribute and the getter?
viki ZzZombo: use `is rw`
class Foo { has $.meow is rw } 13:51
ZzZombo but if I __NEED__ a custom setter?
psch 'is rw' gives you an lvalue method
viki ZzZombo: then write a method
psch you can just write a multi if you need special logic
or a Proxy
psch &
ZzZombo I'll keep it mind to learn them then.
13:52 obfusk_ left
viki m: my $cat = class Foo { has $.meow; method whatever is rw { $!meow } }; $cat.new: :meow<mew>; say $cat.meow; $cat.whatever = "moo"; say $cat.meow 13:52
camelia rakudo-moar 6d726f: OUTPUT«Cannot look up attributes in a Foo type object␤ in block <unit> at <tmp> line 1␤␤»
13:52 pierre_ left
viki camelia: your mother! 13:52
m: my $cat = class Foo { has $.meow; method whatever is rw { $!meow } }.new: :meow<mew>; say $cat.meow; $cat.whatever = "moo"; say $cat.meow
camelia rakudo-moar 6d726f: OUTPUT«mew␤moo␤»
viki ZzZombo: ^ that's one way to do it. Another is to make the method take an arg instead, so you'd use it ast $cat.whatever($some-new-value) 13:53
lucasb_: OK, then I won't fix anything. Will leave it to someone more familiar with that area 13:54
lucasb_ viki, jnthn: ok, thanks 13:55
13:55 pierre_ joined
dalek c: af750fd | coke++ | doc/Language/ (3 files):
remove trailing whitespace
 14:10
c: d3a0a01 | coke++ | doc/Language/grammar_tutorial.pod6:
e.g./i.e. have periods.

Replace the i.e. here with an e.g. as it appears to be giving an example, not providing a definition
synopsebot6 Link: doc.perl6.org/language/grammar_tutorial
c: 8b1dd9f | coke++ | / (3 files):
learn new words, correct small typo
14:13 pierre_ left 14:14 stux|RC-only left
dalek /advent_volunteer_day4: c1b0abb | (Brian Duggan)++ | misc/perl6advent-2016/schedule:
advent day 4: bduggan
 14:14
14:14 pierre_ joined
ZzZombo m: my @a=42,13,666;.say for @$@a; 14:14
camelia rakudo-moar 6d726f: OUTPUT«42␤13␤666␤»
ZzZombo m: my @a=42,13,666;.say for @$@@@$@a;
camelia rakudo-moar 6d726f: OUTPUT«42␤13␤666␤»
ZzZombo xD
14:15 stux|RC-only joined 14:16 stux|RC-only left
[Coke] grumbles at DrForr for mentioning the macarena, now it's stuck in his head again. 14:16
14:17 stux|RC-only joined
[Coke] sees he's still on the hook for Dec-01 14:17
ZzZombo there isn't a module for an array that triggers events for item insertion, replacement and deletion, is there? 14:18
14:19 pierre_ left
timotimo item insertion is a bit tricky, unless you mean only actually creating new slots 14:19
other than that, that should be easy to build
ZzZombo yeah, I think so too, just don't want another wheel on my desk ;)
kalkin- The REPL can't complete history backwards with a prefix or haven't i just figured out the keybinding? 14:20
14:20 kalkin- left
dalek : c1b0abb | (Brian Duggan)++ | misc/perl6advent-2016/schedule:
advent day 4: bduggan
 14:21
: bec01fb | RabidGravy++ | misc/perl6advent-2016/schedule:
Merge pull request #17 from perl6/advent_volunteer_day4

advent day 4: secret santa
14:21 kalkin- joined
timotimo kalkin-: depends on whether you have Readline or Linenoise, i suppose
kalkin- Linenoise
timotimo don't know much about that, but i expect it should have that feature
it may not have logs from previous sessions?
kalkin- it does
timotimo OK
kalkin- normal backward completion works, but not with prefix 14:22
timotimo huh
hm, we do ship linenoise source code with the Linenoise module, don't we?
maybe we ought to update that. it could be like a year old by now :P
[Coke] kalkin - should be the bindings for whatever module you installed, Linenoise, or Readline 14:24
... I need to make sure I'm caught up in backlog before responding.
gfldex m: class SpammyArray is Array { multi method ASSIGN-POS(int $pos, Mu \assignee){ say 'oi‽'; callsame } }; my @a is SpammyArray = SpammyArray.new; @a[1] = 42;
camelia ( no output ) 14:25
gfldex m: class SpammyArray is Array { multi method ASSIGN-POS(Int:D $pos, Mu \assignee){ say 'oi‽'; callsame } }; my @a is SpammyArray = SpammyArray.new; @a[1] = 42;
camelia rakudo-moar 6d726f: OUTPUT«oi‽␤»
moritz m: class SpammyArray is Array { multi method ASSIGN-POS(int $pos, Mu \assignee){ say 'oi‽'; callsame } }; my @a := SpammyArray.new; @a[1] = 42;
camelia ( no output )
moritz m: class SpammyArray is Array { method ASSIGN-POS(|c){ say 'oi‽'; callsame } }; my @a := SpammyArray.new; @a[1] = 42; 14:26
camelia rakudo-moar 6d726f: OUTPUT«oi‽␤»
moritz when you make it a method, you don't compete for specificity with the multis of the parent class
m: class SpammyArray is Array { method ASSIGN-POS(|c){ say 'oi‽'; callsame } }; my @a := SpammyArray.new; @a[1] = 42;; say @a
camelia rakudo-moar 6d726f: OUTPUT«oi‽␤[(Any) 42]␤»
jnthn suggests emitting the events using a Supply too ;) 14:27
gfldex that's a ENODOC I shall fix later
ZzZombo say (1, 2)[-1]; # Error 14:28
sigh
jnthn m: say (1, 2)[*-1]
camelia rakudo-moar 6d726f: OUTPUT«2␤»
ZzZombo m: my @a=1,2;say @a[-1];
camelia rakudo-moar 6d726f: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Unsupported use of a negative -1 subscript to index from the end; in Perl 6 please use a function such as *-1␤at <tmp>:1␤------> 3my @a=1,2;say @a[-1]7⏏5;␤»
ZzZombo what
jnthn Heh, it even tells you what I just did :)
ZzZombo I see but why? 14:29
timotimo don't forget that putting in more values can also happen through autovivivfication via AT-POS.
ZzZombo m: my @a=1,2;say @a[*-1];
camelia rakudo-moar 6d726f: OUTPUT«2␤»
gfldex because that collects a lot of-by-one bugs
14:29 skids joined
timotimo now if you want to actually go from the end, it's not enough to (even accidentally) give a negative number. you have to state explicitly that you want it 14:30
also, it generalizes well to percentiles when your array is sorted
14:30 chris2 left
gfldex m: say (1,2).tail 14:30
camelia rakudo-moar 6d726f: OUTPUT«2␤»
ZzZombo m: my @a=1,2;say @a[*-2..*-1].perl; 14:31
camelia rakudo-moar 6d726f: OUTPUT«(1, 2)␤»
ZzZombo m: my @a=1,2;say @a[*-2..-1].perl;
camelia rakudo-moar 6d726f: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Unsupported use of a negative -1 subscript to index from the end; in Perl 6 please use a function such as *-1␤at <tmp>:1␤------> 3my @a=1,2;say @a[*-2..-1]7⏏5.perl;␤»
ZzZombo ...I guess I'll just have to accept this and move on.
14:32 chris2 joined
viki m: my @a = ^10; say @a[{$_-1...0}] 14:33
camelia rakudo-moar 6d726f: OUTPUT«(9 8 7 6 5 4 3 2 1 0)␤»
viki ZzZombo: the *-1 is a fancy way to write sub ($arg) { return $arg - 1 }
ZzZombo: and in this case, the $arg is the length of the array
ZzZombo m: @a := (1,2; 3,4);
say @a.flat;
camelia rakudo-moar 6d726f: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Variable '@a' is not declared␤at <tmp>:1␤------> 3<BOL>7⏏5@a := (1,2; 3,4);␤»
ZzZombo eh
m: my @a := (1,2; 3,4);say @a.flat; 14:34
camelia rakudo-moar 6d726f: OUTPUT«(1 2 3 4)␤»
14:34 zakharyas joined
viki And going off from that idea, you can go all sorts of things vis-a-vis indexing, other than the limiting "passing negative means from end" 14:34
ZzZombo I see.
viki m: my @a = ^10; say @a[{$_-1, *-2, ...0}] 14:35
camelia rakudo-moar 6d726f: OUTPUT«5===SORRY!5===␤Two terms in a row␤at <tmp>:1␤------> 3my @a = ^10; say @a[{$_-1, *-2, ...7⏏050}]␤ expecting any of:␤ infix␤ infix stopper␤ statement end␤ statement modifier␤ statement modifi…»
viki /o\
ZzZombo docs.perl6.org/language/list#The_@_sigil has an error, the line with "# OUTPUT«((1 2 3 4)␤»" mismatches the output I just got.
viki m: my @a = ^10; say @a[{$_-1, *-2 ...0}]
weeeeeeeeeeeeeeee
ZzZombo a curly brace is excessive.
viki Halting Problem strikes again
camelia rakudo-moar 6d726f: OUTPUT«(timeout)»
viki m: my @a = ^10; say @a[{$_-1, *-2 ... * > 0}] 14:36
camelia rakudo-moar 6d726f: OUTPUT«(9)␤»
viki m: my @a = ^10; say @a[{$_-1, *-2 ... * < 0}]
camelia rakudo-moar 6d726f: OUTPUT«Effective index out of range. Is: -1, should be in 0..Inf␤ in block <unit> at <tmp> line 1␤␤Actually thrown at:␤ in block <unit> at <tmp> line 1␤␤»
viki shakes fist at the cloud
kalkin- Replacing Linenoise with Readline and adjusting .inputrc solved my issues
All hail the GNU Project
mspo libedit++ 14:37
DrForr Thanks :) Need to figure out what to do with version numbers this weekend...
viki m: my @a = ^10; say @a[{$^curly-brace-is-awesome-and-is-not-excessive-1, *-2 ... * <= 1}] 14:38
camelia rakudo-moar 6d726f: OUTPUT«(9 7 5 3 1)␤»
viki ZzZombo: would you submit a PR to fix that? 14:39
14:40 mj41 joined
ZzZombo IDK, I'd rather not to do it for each minor occurence. 14:40
viki ZzZombo: why not? :)
ZzZombo: would you like a commit bit so you could commit such fixes directly?
ZzZombo yea, that. 14:41
14:41 FROGGS joined
ZzZombo m: say $(2, 3).perl 14:41
camelia rakudo-moar 6d726f: OUTPUT«$(2, 3)␤»
FROGGS o/
ZzZombo eh
m: say $(2, 3).WHAT
camelia rakudo-moar 6d726f: OUTPUT«(List)␤»
14:42 FROGGS[mobile] left
viki "ZzZombo has been invited!" 14:42
ZzZombo sec
viki Yeah, the sigil stuff is completely different from Perl 5.
m: my $list = <w a a a aa t>; say $list.elems
camelia rakudo-moar 6d726f: OUTPUT«6␤»
viki m: my $list = <w a a a aa t>; say $list
camelia rakudo-moar 6d726f: OUTPUT«(w a a a aa t)␤»
psch m: my $list = <w a a a aa t>; .say for $list 14:43
camelia rakudo-moar 6d726f: OUTPUT«(w a a a aa t)␤»
viki m: my $list = <w a a a aa t>; $list does Iterable; .say for $list
camelia rakudo-moar 6d726f: OUTPUT«(w a a a aa t)␤»
viki dang :)
m: my $list = <w a a a aa t>; .say for |$list # proper way
camelia rakudo-moar 6d726f: OUTPUT«w␤a␤a␤a␤aa␤t␤»
dalek c: 0602581 | ZzZombo++ | doc/Language/list.pod6:
Unneeded curly brace
 14:45
synopsebot6 Link: doc.perl6.org/language/list
ZzZombo Hope I didn't break it
viki Looks fine 14:46
timotimo it's easier to ask for forgiveness than permission :)
ZzZombo yet now I have to go through all 30+ repos that you automatically subscribed me to... :) 14:47
timotimo oh crap ;)
viki oops 14:48
ZzZombo if anybody knows bulk unsubcribe, be my guest.
14:48 cdg joined, jonas1 left
viki heh the Perl 6 group description: "Members of this team have push access to most repositories in the perl6 organization. Because we like to trust, and are too lazy to manage permissions more fine-grained" 14:49
ZzZombo aaand done. 14:50
looks like my previous job
FROGGS hehe 14:51
viki m: say +'-10-i'
camelia rakudo-moar 6d726f: OUTPUT«Cannot convert string to number: base-10 number must begin with valid digits or '.' in '3-10-⏏5i' (indicated by ⏏)␤ in block <unit> at <tmp> line 1␤␤Actually thrown at:␤ in block <unit> at <tmp> line 1␤␤»
ZzZombo where everybody had sudo shell access to the servers, regardless of ranks and areas of responsibility.
psch uh, i think a root shell and commit access to a git repo are somewhat different o.o
cosimo ZzZombo: that's how it should be :-) 14:52
viki m: say +'-i'
camelia rakudo-moar 6d726f: OUTPUT«Cannot convert string to number: base-10 number must begin with valid digits or '.' in '3-⏏5i' (indicated by ⏏)␤ in block <unit> at <tmp> line 1␤␤Actually thrown at:␤ in block <unit> at <tmp> line 1␤␤»
mspo psch: not really
viki Should these work?
mspo if you can commit the code you can commit a vulnerability/backdoor/whatever
viki I wrote some tests on the assumption that it should and now I feel bad about just deleting them :P
DrForr But other people are watching as well :) 14:53
ZzZombo wait, you aren't a bot since you have feelings? :o
viki mspo: except you have like a 1000 eyes reviewing everything :)
timotimo except people are lazy :D
viki ZzZombo: I'm a bot that can emulate feelings :)
ZzZombo wow
psch mspo: oh, sure, commit access to the repo can escalate to a root shell somewhere 14:54
mspo: but that just brings you to the same point -- you have a root shell
mspo viki: that sounds like an overestimation ;)
psch and well, if commit access is means of getting you that other thing you're comparing commit access to... well they clearly are different 14:55
mspo psch: sure
viki mspo: perhaps the number of eyes, but at least with rakudo, people comment on my committes minutes after I make an error....
mspo oh yeah
viki: I thought you were talking about a job
viki Oh
timotimo viki: i bet the irc bot helps a whole lot there :) 14:56
mspo backdooring something like perl is obviously more valuable and there should be more scrutiny
viki Yeah
ZzZombo so my evil plan is to DDoS the bot, then commit backdoor into p6. Anything else?
mspo especially perl6 with its multi stage compilation and many runtime tricks and stuff 14:57
trusting trust and all that
ZzZombo did I just hear Crusty Crabs somewhere here?
psch ZzZombo: the bot DoSes itself often enough vOv
ZzZombo ORLY
poor wee thing 14:58
viki Well, not DoS. It's just a really dumb bot. If you submit too many commits at once or write a long commit message it reports only X number of lines
ZzZombo I see
psch viki: oh, we did get it to not Excess Flood anymore?
FSDO "we"
ZzZombo LOL
timotimo right, it's easy to get past the irc bot reports 14:59
prefix your evil commit with a benign commit that has sufficiently many lines of descriptive text and voila
viki psch: from what I see... the Excess Flood was prevented by just cutting off long messages, instead of doing something sane, like abridging them or pastebinning them
14:59 andrewalker joined
timotimo well, it'd also be possible to just not send these messages as quickly ... 15:00
viki psch: oh, actually I do recall excess floods too
so...
viki shrugs
15:00 finanalyst joined
viki Someone *wink* *wink* Needs to rewrite it with IRC::Client 15:00
15:01 kyclark joined
kyclark What’s the best way to model a deck of shuffled cards from which I want to draw so that I don’t get duplicates. I.e., I can’t draw “2 Clubs” twice from a single deck. 15:02
15:03 AlexDaniel joined
viki kyclark: a SetHash? 15:03
kyclark: there's even a .grab method: docs.perl6.org/type/SetHash#(Setty)_method_grab 15:04
kyclark Hmm, yes, I’ll look at that.
ZzZombo m: (1, 2, 3)[1, 2, :c(3)]
camelia rakudo-moar 6d726f: OUTPUT«No such method 'Int' for invocant of type 'Pair'␤ in block <unit> at <tmp> line 1␤␤»
viki :c(3) is a Pair 15:05
m: say Hash ~~ Cool
camelia rakudo-moar 6d726f: OUTPUT«True␤»
viki Kinda weird Hashes are Cool but Pairs aint
psch kyclark: i'd say a Bag probably. those are for taking things out or putting them in 15:06
ZzZombo my jacket is cool, can I use it here as well? *wink*
15:06 cog_ joined
psch although i suppose that might also need to be a BagHash for mutability..? 15:06
m: say (1, 1, 2).SetHash.perl
camelia rakudo-moar 6d726f: OUTPUT«SetHash.new(1,2)␤»
15:07 brillenfux left
DrForr m: my (@s,@n)=<C H D S>,('A',2..10,'J','Q','K'); say @s X @n 15:07
camelia rakudo-moar 6d726f: OUTPUT«()␤»
viki Well, a deck of cards has just 1 of each
card
psch well, and it can have any given card more than once. if you explicitely don't want that... yeah
the Bag{,Hash} that is
ZzZombo m: Array ~~ List
camelia ( no output )
psch m: my @a = ("\x1f0a1"..."\x1F0DE").Set; say @a.grab(10); say +@a
camelia rakudo-moar 6d726f: OUTPUT«No such method 'grab' for invocant of type 'Array'␤ in block <unit> at <tmp> line 1␤␤»
psch oh shoo
ZzZombo m: say Array ~~ List
camelia rakudo-moar 6d726f: OUTPUT«True␤»
ZzZombo m: say Array is List
camelia rakudo-moar 6d726f: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Two terms in a row␤at <tmp>:1␤------> 3say Array7⏏5 is List␤ expecting any of:␤ infix␤ infix stopper␤ postfix␤ statement end␤ statement modifier␤…» 15:08
psch m: my $a = ("\x1f0a1"..."\x1F0DE").SetHash; say @a.grab(10); say +@a
camelia rakudo-moar 6d726f: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Variable '@a' is not declared. Did you mean '$a'?␤at <tmp>:1␤------> 3 = ("\x1f0a1"..."\x1F0DE").SetHash; say 7⏏5@a.grab(10); say +@a␤»
psch m: my $a = ("\x1f0a1"..."\x1F0DE").SetHash; say $a.grab(10); say +$a
camelia rakudo-moar 6d726f: OUTPUT«(🃉 🂣 🂬 🂽 🂿 🃊 🃜 🃏 🂡 🂲)␤52␤»
DrForr m: my @s=<C H D S>;my @n=('A',2..10,'J','Q','K'); say (@s X @n).perl
camelia rakudo-moar 6d726f: OUTPUT«(("C", "A"), ("C", 2..10), ("C", "J"), ("C", "Q"), ("C", "K"), ("H", "A"), ("H", 2..10), ("H", "J"), ("H", "Q"), ("H", "K"), ("D", "A"), ("D", 2..10), ("D", "J"), ("D", "Q"), ("D", "K"), ("S", "A"), ("S", 2..10), ("S", "J"), ("S", "Q"), ("S", "K")).Seq␤»
psch hah, chrome renders exactly *one* of those cards...
15:09 FreezerburnV joined
psch probably not quite the right range either i think, 'cause the one it does render is a joker..? 15:09
15:09 Praise left, Praise- joined
DrForr irssi renders 8, though I'd swear one's a ... ah, yeah, joker. 15:09
15:09 cognominal left
viki ZzZombo: List is immutable, while Array is mutable 15:09
weechat doesn't render any :(
ZzZombo ye, I'm reading on them right now. 15:10
kyclark m: dd (cross <1 2 3>, <D H>).SetHash
camelia rakudo-moar 6d726f: OUTPUT«SetHash.new(IntStr.new(1, "1"),"H",IntStr.new(2, "2"),IntStr.new(3, "3"),"D")␤»
ZzZombo I just wanted to say if 'is' can be used for inheritance checks like smartmatch.
see*
kyclark Not what I expect
m: my @cards = cross <1 2 3>, <D H>; dd @cards.SetHash
camelia rakudo-moar 6d726f: OUTPUT«SetHash.new($(IntStr.new(3, "3"), "D"),$(IntStr.new(3, "3"), "H"),$(IntStr.new(2, "2"), "H"),$(IntStr.new(1, "1"), "D"),$(IntStr.new(2, "2"), "D"),$(IntStr.new(1, "1"), "H"))␤»
kyclark Why doesn’t the first way work? 15:11
viki m: dd (cross <1 2 3>, <D H>)
camelia rakudo-moar 6d726f: OUTPUT«((IntStr.new(1, "1"), "D"), (IntStr.new(1, "1"), "H"), (IntStr.new(2, "2"), "D"), (IntStr.new(2, "2"), "H"), (IntStr.new(3, "3"), "D"), (IntStr.new(3, "3"), "H")).Seq␤»
psch m: say (< 1 2 3 > X <D H>)
camelia rakudo-moar 6d726f: OUTPUT«((1 D) (1 H) (2 D) (2 H) (3 D) (3 H))␤»
psch m: say (< 1 2 3 > X <D H>).perl
camelia rakudo-moar 6d726f: OUTPUT«((IntStr.new(1, "1"), "D"), (IntStr.new(1, "1"), "H"), (IntStr.new(2, "2"), "D"), (IntStr.new(2, "2"), "H"), (IntStr.new(3, "3"), "D"), (IntStr.new(3, "3"), "H")).Seq␤»
psch eh, yeah, &val
m: say Array.isa(List) 15:12
camelia rakudo-moar 6d726f: OUTPUT«True␤»
psch ZzZombo: i suspect you wanted that ^^^
ZzZombo yep
viki kyclark: I suspect in the former the inner lists aren't itimized
*itemized
15:12 FreezerburnV left
viki m: dd (cross (1, 2, 3,), <D H>) 15:12
camelia rakudo-moar 6d726f: OUTPUT«((1, "D"), (1, "H"), (2, "D"), (2, "H"), (3, "D"), (3, "H")).Seq␤»
viki m: dd @ = (cross (1, 2, 3,), <D H>) 15:13
camelia rakudo-moar 6d726f: OUTPUT«Array @ = [(1, "D"), (1, "H"), (2, "D"), (2, "H"), (3, "D"), (3, "H")]␤»
viki hm
m: dd @ = (cross (1, 2, 3,), <D H>).SetHash
camelia rakudo-moar 6d726f: OUTPUT«Array @ = [SetHash.new(3,1,"H",2,"D")]␤»
viki s: (cross (1, 2, 3,), <D H>), 'SetHash', \()
SourceBaby viki, Something's wrong: ␤ERR: Type check failed in binding to &code; expected Callable but got Method+{<anon|50466544>} (Method+{<anon|5046654...)␤ in sub do-sourcery at /home/zoffix/services/lib/CoreHackers-Sourcery/lib/CoreHackers/Sourcery.pm6 (CoreHackers::Sourcery) line 42␤ in sub sourcery at /home/zoffix/services/lib/CoreHackers-Sourcery/lib/CoreHackers/Sourcery.pm6 (CoreHackers::Sourcery) line 29␤ in block <unit> at -e line 6􏿽xE2􏿽x90
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viki that bug annoys me 15:14
15:14 mj41 left
viki m: Seq.new, 'SetHash', \() 15:14
camelia rakudo-moar 6d726f: OUTPUT«WARNINGS for <tmp>:␤Useless use of constant string "SetHash" in sink context (lines 1, 1)␤Too few positionals passed; expected 2 arguments but got 1␤ in block <unit> at <tmp> line 1␤␤»
viki s: Seq.new, 'SetHash', \()
SourceBaby viki, Something's wrong: ␤ERR: Too few positionals passed; expected 2 arguments but got 1␤ in block <unit> at -e line 6␤␤
viki :(
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viki m: say .file, .line given (1...*).^lookup('SetHash') 15:15
camelia rakudo-moar 6d726f: OUTPUT«SETTING::src/core/Any.pm414␤»
viki \o/
m: say .file, .line given [].^lookup('SetHash')
camelia rakudo-moar 6d726f: OUTPUT«SETTING::src/core/Any.pm414␤»
15:16 zakharyas left
viki m: dd @ = (cross (1, 2, 3,), <D H>).list 15:16
camelia rakudo-moar 6d726f: OUTPUT«Array @ = [(1, "D"), (1, "H"), (2, "D"), (2, "H"), (3, "D"), (3, "H")]␤»
viki m: dd (@ = (cross (1, 2, 3,), <D H>)).list
camelia rakudo-moar 6d726f: OUTPUT«Array @ = [(1, "D"), (1, "H"), (2, "D"), (2, "H"), (3, "D"), (3, "H")]␤»
viki m: dd (cross (1, 2, 3,), <D H>).list
camelia rakudo-moar 6d726f: OUTPUT«((1, "D"), (1, "H"), (2, "D"), (2, "H"), (3, "D"), (3, "H"))␤»
Woodi hi #perl6 :) 15:17
viki \o
ZzZombo "Any Scalar will be stripped from each value and a new Scalar will be wrapped around it." -- why? 15:18
viki context?
ZzZombo docs.perl6.org/language/list#Assigning
dalek c: 0a33561 | (Jan-Olof Hendig)++ | doc/Type/Match.pod6:
Added example to .Str
synopsebot6 Link: doc.perl6.org/type/Match
Woodi just installed R* 2016.10 and .tgz have some modules but I think make install do not installed them... and I remember make modules-install or something but it don't work. any way to install supplied modules ?
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viki ZzZombo: I think it's so this doesn't leave the $a and its value in @a tangled my $a = 42; my @a = $a; 15:19
Scalar is a container, so here you're moving the value into a separate container 15:20
or something or other :)
jnthn m: my $a = 42; my @a = $a, $a; $a++; say @a
camelia rakudo-moar 6d726f: OUTPUT«[42 42]␤»
jnthn It's so that doesn't say [43 43] which would be...rathr nasty action at a distance at scale :)
viki m: my $a = 42; my @a; @a[0] := $a; $a++; say @a
camelia rakudo-moar 6d726f: OUTPUT«[43]␤»
viki yeah
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ZzZombo but the wording suggests (to me at least) that the scalar of $a will be left with -- IDK, nothing? -- and not that it's simply copied into a new one that is then assigned to a slot into the array. 15:22
viki Maybe reword it to "any Scalar values will be copied into a new container"? 15:23
viki doesn't know much about containers... still
ZzZombo ye
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ZzZombo there is also an odd 'each value' in a context of 'any scalar', that is, 1-to-1 relation, with nothing more. 15:25
Woodi Woodi: A: cd .. from rakudo dir and do make modules-install :)
Woodi: not, that's not working... 15:26
psch m: 5.VAR; my $x = 5; say $x.VAR
camelia rakudo-moar 6d726f: OUTPUT«5␤»
psch m: 5.VAR.say; my $x = 5; say $x.VAR
camelia rakudo-moar 6d726f: OUTPUT«5␤5␤»
psch oh meh, i keep forgetting how that works
viki m: sub (*@pairs) {dd @pairs[0] }( (cross (1, 2, 3,), <D H>).list ) 15:28
camelia rakudo-moar 6d726f: OUTPUT«Int <element> = 1␤»
viki m: sub (*@pairs) {dd @pairs[0] }( [cross (1, 2, 3,), <D H>].list )
camelia rakudo-moar 6d726f: OUTPUT«List <element> = $(1, "D")␤»
moritz m: my $x = 5; say $x.VAR ~~ Scalar
camelia rakudo-moar 6d726f: OUTPUT«True␤»
moritz m: my $x = 5; say $x.VAR.^name
camelia rakudo-moar 6d726f: OUTPUT«Scalar␤»
viki kyclark: ^ that's why basically... Gonna test a fix to see if any of the tests explode
psch moritz++
kyclark Rock on 15:29
psch m: my $x = 5; my @a = $x,; say $x.VAR.WHICH; say @a[0].VAR.WHICH
camelia rakudo-moar 6d726f: OUTPUT«Scalar|77880080␤Scalar|77880296␤»
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ZzZombo m: say @array.tail(1..2); 15:36
camelia rakudo-moar cb9df2: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Variable '@array' is not declared. Did you mean any of these?␤ Array␤ array␤␤at <tmp>:1␤------> 3say 7⏏5@array.tail(1..2);␤»
ZzZombo m: my @a=1,2,3;say @array.tail(1..2);
camelia rakudo-moar cb9df2: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Variable '@array' is not declared. Did you mean any of these?␤ Array␤ array␤␤at <tmp>:1␤------> 3my @a=1,2,3;say 7⏏5@array.tail(1..2);␤»
ZzZombo m: my @a=1,2,3;say @a.tail(1..2); 15:37
camelia rakudo-moar cb9df2: OUTPUT«(2 3)␤»
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ZzZombo m: my @a=1,2,3;say "$foo(" ~ @a ~ ")" 15:39
camelia rakudo-moar cb9df2: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Variable '$foo' is not declared␤at <tmp>:1␤------> 3my @a=1,2,3;say "7⏏5$foo(" ~ @a ~ ")"␤»
ZzZombo m: my @a=1,2,3;my $foo='foo';say "$foo(" ~ @a ~ ")"
camelia rakudo-moar cb9df2: OUTPUT«No such method 'CALL-ME' for invocant of type 'Str'␤ in block <unit> at <tmp> line 1␤␤»
ZzZombo m: my @a=1,2,3;my $foo='foo';say "$foo\(" ~ @a ~ ")"
camelia rakudo-moar cb9df2: OUTPUT«foo(1 2 3)␤»
moritz $foo(...) is a call, even inside a quoted string 15:40
ZzZombo ye, since the docs didn't clarify that, I had to poke the bot a few times.
timotimo we should add that to the docs
15:41 bazzaar left
viki kyclark: no love. There are explicit tests for the current behaviour: github.com/perl6/roast/blob/master...set.t#L332 15:43
ZzZombo alright, gonna sleep. Thank everyone :) 15:44
viki \o
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[ptc] o/ 15:47
viki \o
15:48 cdg left
timotimo ō 15:51
[ptc] wonders what ö would mean in this context... 15:52
ilmari a de-winged camelia 15:53
timotimo :(
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AlexDaniel .u ōö 16:10
yoleaux U+00F6 LATIN SMALL LETTER O WITH DIAERESIS [Ll] (ö)
U+014D LATIN SMALL LETTER O WITH MACRON [Ll] (ō)
ilmari uh, that's the wrong order 16:11
AlexDaniel .u ōö
ilmari .u æøå
yoleaux U+00F6 LATIN SMALL LETTER O WITH DIAERESIS [Ll] (ö)
U+014D LATIN SMALL LETTER O WITH MACRON [Ll] (ō)
U+00E5 LATIN SMALL LETTER A WITH RING ABOVE [Ll] (å)
U+00E6 LATIN SMALL LETTER AE [Ll] (æ)
U+00F8 LATIN SMALL LETTER O WITH STROKE [Ll] (ø) 16:12
AlexDaniel heh
by the way
.u 🦋
yoleaux No characters found
16:12 kyclark left
AlexDaniel if anybody has nothing to do, please rewrite yole in perl 6 :) 16:12
… or just update it… 16:13
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psch m: say uniname("🦋") 16:13
camelia rakudo-moar cb9df2: OUTPUT«BUTTERFLY␤»
16:13 kyclark left
AlexDaniel hmmm or I can do it myself… 16:17
yoleaux: help
yoleaux: url
yoleaux: source
psch .help
yoleaux psch: I'm yoleaux. Type .commands to see what I can do, or see dpk.io/yoleaux for a quick guide.
AlexDaniel .mangle I love Perl 6 16:18
yoleaux AlexDaniel: Sorry, that command (.mangle) crashed.
16:18 sufrostico left
AlexDaniel .at 2016-12-31T23:59 Happy New Year! 16:20
yoleaux AlexDaniel: Sorry, that command (.at) crashed.
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viki heh 16:33
Well, it's a Ruby bot... I wonder if Ruby has been updated for BUTTERFLY and stuff 16:34
Cool, P6Intro is now in... Chinese, I'm guessing: zh.perl6intro.com/ 16:35
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moritz \o/ 16:48
[ptc] cool! 16:49
I'm trying to test Test::Builder at present. Anyone have an idea how to hide invocations of ok, is, etc. from the enclosing TAP instance?
I've managed to confuse TAP since the test ordering is 1,2,1,3,4 etc.
but I don't need the enclosed invocations, just their output
I've tried EVAL, but that's, well, evil, and also doesn't hide the enclosed ok calls from the wrapping TAP instance...
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psch [ptc]: redirect $*OUT for the calls you don't want to reach all the way... out? 16:50
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[ptc] psch: ok, I'll give that a go, thanks for the tip, I'd not thought of that yet 16:51
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[ptc] psch: tried something like this: my $*OLDOUT = $*OUT; $*OUT = IO::Handle.new; my $ok = $tb.ok(1, "This is a test"); $*OUT = $*OLDOUT; 17:02
psch: however that still prints the output from the "inside" 'ok' call 17:03
psch: was that what you meant, re: redirection?
psch [ptc]: sort of, yes. i was thinking more along the lines of a IO::Handle subclass or so that doesn't print but stores in an array or something 17:04
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psch [ptc]: i'm not sure assigning IO::Handle.new actually gives you a different $*OUT 17:04
#: class DummyHandle is IO::Handle { has @.lines; method say(DummyHandle:D: +@lines) { @.lines.push: |@lines } }; $*OUT = DummyHandle.new; say "hi"; say "by"; # sorta like this 17:06
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[ptc] ah, ok. Was thinking along the lines of reassigning STDOUT á la Perl5... 17:09
psch i don't know how one would do "redirect into an array" in Perl 5, actually 17:10
probably way more spooky looking than we do it here... :)
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[ptc] heh :-) 17:10
psch ah, actually open() does that pretty easily, although into a scalar 17:11
www.perlmonks.org/?node_id=737134
[ptc] psch: the standard stuff is under open() in perlfunc: perldoc.perl.org/perlfunc.html 17:12
ah, you got there before me
hence why I was trying to simply reassign the variable rather than create a subclass or so 17:13
psch yeah, i suppose it is massively easier in Perl 5, actually 17:14
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viki There *is* Test::Output github.com/zoffixznet/perl6-Test-Output 17:14
psch m: class A { method foo { say "foo" } }; (A.new but role { method foo { say "bar" } }).foo
camelia rakudo-moar cb9df2: OUTPUT«bar␤»
psch ^^^ that'd be the simplest way i can think of 17:15
well, with IO::Handle instead of A and print,say,... instead of foo
...but if we have a module that's probably the cleanest solution :)
[ptc] tries Test::Output... 17:18
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[ptc] hrm, that still passes information up to the enclosing TAP instance 17:22
thanks for your help everyone! I might have to leave this one 'til the morrow
viki What sort of information? 17:23
You can use IO::MiddleMan to contain the output and test it manually whichever way you want, then, I guess. 17:24
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viki modules.perl6.org/repo/IO::MiddleMan 17:24
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[ptc] viki: I'm trying to test Test::Builder, so the object under test actually affects the plan and the ordering of the tests seen by e.g. prove 17:25
I guess I haven't described the problem well enough... :-/
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kyclark m: subset Face of Str where * (elem) <2 3 4 5 6 7 8 9 10 Jack Queen King Ace>; put 'Jack' ~~ Face; put '2' ~~ Face; 17:30
camelia rakudo-moar cb9df2: OUTPUT«True␤False␤»
kyclark Why isn't "2" recognized as a Face? 17:31
arnsholt IntStr shenanigans maybe? 17:32
Yeah, I think so: 17:33
m: say <2>.WHAT
camelia rakudo-moar cb9df2: OUTPUT«(IntStr)␤»
17:37 dakkar left 17:38 gregf_ left 17:39 Praise- is now known as Praise
psch m: subset Face of Str where * (elem) <2 3 4 5 6 7 8 9 10 Jack Queen King Ace>>>.Str; put 'Jack' ~~ Face; put '2' ~~ Face; 17:40
camelia rakudo-moar cb9df2: OUTPUT«True␤True␤»
viki kyclark: because (elem) coerces to a Set, which is sensitive to allomorphs, so <2> is IntStr and isn't the same as plain Str
(there's Quantum::Collapse module on the topic FWIW) 17:41
kyclark Is there a workaround?
psch well, more general, Set doesn't coerce
and <>-quotes are allomorphic
viki kyclark: don't use (elem) :)
psch kyclark: because you're using <> quotes, everything you get is allomorphed if possible. Set doesn't do anything to those values, and (elem) doesn't stringify 17:42
m: say <2> ~~ "2"
camelia rakudo-moar cb9df2: OUTPUT«True␤»
viki m: subset Face of Str where * eq any <2 3 4 5 6 7 8 9 10 Jack Queen King Ace>; put 'Jack' ~~ Face; put '2' ~~ Face
camelia rakudo-moar cb9df2: OUTPUT«True␤True␤»
psch m: say "2" ~~ <2>
camelia rakudo-moar cb9df2: OUTPUT«True␤»
psch meh, stupid liskov :)
viki
.oO( who's liskov )
 17:43
psch that one guy who said it's all the same if it's related
viki heh
psch so, i guess everyone is liskov..?
kyclark viki: Thanks!
psch m: subset Face of Str where * eq any <2 3 4 5 6 7 8 9 10 Jack Queen King Ace>; say 2 ~~ Face 17:45
camelia rakudo-moar cb9df2: OUTPUT«False␤»
viki 2 is not "of Str"
psch right, nominal before *post* constraints 17:46
moritz m: subset Face of Str where any <2 3 4 5 6 7 8 9 10 Jack Queen King Ace>; say '2' ~~ Face
camelia rakudo-moar cb9df2: OUTPUT«True␤»
moritz m: subset Face of Str where any <2 3 4 5 6 7 8 9 10 Jack Queen King Ace>; say '1' ~~ Face
camelia rakudo-moar cb9df2: OUTPUT«False␤»
viki moritz: try to match Jack ;)
moritz m: subset Face of Str where any <2 3 4 5 6 7 8 9 10 Jack Queen King Ace>; say 'Jack' ~~ Face 17:47
camelia rakudo-moar cb9df2: OUTPUT«Cannot convert string to number: base-10 number must begin with valid digits or '.' in '3⏏5Jack' (indicated by ⏏)␤ in any accepts_type at gen/moar/m-Metamodel.nqp line 3435␤ in block <unit> at <tmp> line 1␤␤Actually thrown at:␤ in any a…»
moritz eeks 17:48
viki :)
moritz m: subset Face of Str where any ~«<2 3 4 5 6 7 8 9 10 Jack Queen King Ace>; say 'Jack' ~~ Face
camelia rakudo-moar cb9df2: OUTPUT«Cannot convert string to number: base-10 number must begin with valid digits or '.' in '3⏏5Jack' (indicated by ⏏)␤ in any accepts_type at gen/moar/m-Metamodel.nqp line 3435␤ in block <unit> at <tmp> line 1␤␤Actually thrown at:␤ in any a…»
timotimo yeah, smart match against a number, and we try to numify
viki m: subset Face of Str where any <2 3 4 5 6 7 8 9 10 Jack Queen King Ace>».Str; say 'Jack' ~~ Face 17:49
camelia rakudo-moar cb9df2: OUTPUT«True␤»
psch yeah, that's the thing i did at the start :P
texan though vOv 17:50
viki This is kinda weird tho:
m: .^name.say for +«<2 3 4 5 6 7 8 9 10>
camelia rakudo-moar cb9df2: OUTPUT«Int␤Int␤Int␤Int␤Int␤Int␤Int␤Int␤Int␤»
viki m: .^name.say for ~«<2 3 4 5 6 7 8 9 10>
camelia rakudo-moar cb9df2: OUTPUT«IntStr␤IntStr␤IntStr␤IntStr␤IntStr␤IntStr␤IntStr␤IntStr␤IntStr␤»
viki So + collapses to Int, but ~ preserves the allomorphs :S 17:51
psch m: say (~<1>).WHAT; say (<1>.Str).WHAT
camelia rakudo-moar cb9df2: OUTPUT«(IntStr)␤(Str)␤»
psch m: say (+<1>).WHAT; say (<1>.Int).WHAT
camelia rakudo-moar cb9df2: OUTPUT«(Int)␤(Int)␤»
psch yeah that's inconsistent
viki s: &prefix:<~>, \(<1>)
SourceBaby viki, Sauce is at github.com/rakudo/rakudo/blob/cb9d...r.pm#L2616
viki lol 17:52
There's your problem :D
s: &prefix:<+>, \(<1>)
SourceBaby viki, Sauce is at github.com/rakudo/rakudo/blob/cb9d...ric.pm#L41
viki spectest a fix
japhb .tell tadzik You'd asked me to create a PR to improve Terminal-ANSIColor's example.pl, which I did a couple weeks ago in github.com/tadzik/Terminal-ANSIColor/pull/7 ... are you still interested in that? 17:54
yoleaux japhb: I'll pass your message to tadzik.
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viki hmmm... a thought occurs.... 17:55
never mind 17:56
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viki moritz: FYI: www.reddit.com/r/perl6/comments/5d...e/da9rmlr/ 17:59
viki points at username
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kyclark Re: pastie.org/10966908, why do I not get 1 when Ace and ! aces-high? 18:01
I get 11 both times, so I must not be pattern-matching correctly
psch m: say False ~~ True 18:02
camelia rakudo-moar cb9df2: OUTPUT«Potential difficulties:␤ Smartmatch against True always matches; if you mean to test the topic for truthiness, use :so or *.so or ?* instead␤ at <tmp>:1␤ ------> 3say False ~~ 7⏏5True␤True␤»
psch kyclark: does that ^^^ warning help?
kyclark: or, well, the suggestion inside that warning :) 18:03
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viki bdfoy kinda scares me with articles like that: www.learningperl6.com/2016/11/17/q...sequences/ 18:05
kyclark Hmm, sort of. Does it mean I can't use that "given" construct? I have to write an if/elsif chain?
viki DrForr: if LP6 will have lots of un-idiomatic Perl 6 it'll be all on you! I'll blame you forever :)
mspo TMTOWTDI? 18:06
viki m: gist.github.com/zoffixznet/82b9cc8...8f1a3b2734 18:07
camelia rakudo-moar cb9df2: OUTPUT«2 (False) = 2␤Jack (False) = 10␤Ace (True) = 11␤Ace (False) = 1␤»
viki kyclark: just use :so/:!so instead of True/False
kyclark Ah! Thanks. 18:08
I was writing !:so
viki mspo: there's a fine line between TMTOWTDI and weird constructs ;)
psch m: say 1 [&({$^a.&infix:<+>($^b)})] 2 18:09
camelia rakudo-moar cb9df2: OUTPUT«3␤»
psch whistles innocently
viki Especially that last example with variable shuffling It's just a Perl-5-ism 18:10
psch: I'll rrrrrrrraise ya 18:12
m: say 1 RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR[&({$^a.&infix:<+>($^b)})] 2
camelia rakudo-moar cb9df2: OUTPUT«3␤»
viki ^_^
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eiro hello 18:21
is there an equivalent of prove in perl6 ?
viki eiro: not yet 18:22
eiro: you can use Perl 5's prove with prove -e 'perl6'
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FROGGS what about that? github.com/tony-o/perl6-flow 18:24
kyclark Given "enum Dir <N S E W>" can I get all the Dirs?
eiro OMG! so i can use prove to test my zsh test suites, also! awesome
eiro testing 18:25
viki FROGGS: well, it has one professional license :) www.wtfpl.net/about/ 18:27
We have TAP in core, but last I recall there were still crashes when running many tests at the same time 18:28
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AlexDaniel m: enum Dir <N S E W>; say Dir.pick(*) # haha 18:28
camelia rakudo-moar cb9df2: OUTPUT«(N S W E)␤»
viki and, I'm guessing once that's done we'd ship some sort of a prove-like thing? (maybe?)
psch don't we have prove6 somewhere in the works?
viki AlexDaniel: I don't get it :/ 18:29
psch github.com/perl6/mu/blob/master/util/prove6 humm
not really "in the works" i'd say :) 18:30
viki There's t/harness6 in rakudo...
"Last commit: Jan 21, 2008"... should work with a couple of changes ;)
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AlexDaniel m: enum Dir <N S E W>; say Dir::.values 18:32
camelia rakudo-moar cb9df2: OUTPUT«(W E S N)␤»
AlexDaniel why in reverse?
psch m: enum Dir <NW SE NE SW>; say Dir::.values
camelia rakudo-moar cb9df2: OUTPUT«(NW SE SW NE)␤»
AlexDaniel m: enum Dir <N S E W>; say Dir::.keys
camelia rakudo-moar cb9df2: OUTPUT«(W E S N)␤»
AlexDaniel so now keys and values are the same thing, hmm… 18:33
lizmat m: enum Dir <N S E W>; dd Dir::.keys
camelia rakudo-moar cb9df2: OUTPUT«("W", "E", "S", "N").Seq␤»
lizmat m: enum Dir <N S E W>; dd Dir::.values
camelia rakudo-moar cb9df2: OUTPUT«(Dir::W, Dir::E, Dir::S, Dir::N).Seq␤»
AlexDaniel ah
lizmat AlexDaniel: they only looks the same in a gist
AlexDaniel okay 18:34
psch and they are not in reverse, but deterministically not-in-order
AlexDaniel why?
psch because Associative isn't in-order
jonadab Hashes do not preserver order.
Because they gain significant perf advantages by not doing so. 18:35
AlexDaniel well, enums are pretty much ordered
psch i'm just explaining my assumed reason for the current behavior, not judging if it's a good choice vOv
i do agree that an Enum(eration) could be in-order, because, well, it's kinda in the name 18:36
AlexDaniel m: say False.succ
camelia rakudo-moar cb9df2: OUTPUT«True␤»
AlexDaniel m: say True.succ
camelia rakudo-moar cb9df2: OUTPUT«True␤»
jonadab Enums tend to be ordered in other languages, granted.
AlexDaniel m: enum Dir <N S E W>; say +«(N S E W) 18:37
camelia rakudo-moar cb9df2: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Missing infix inside S␤at <tmp>:1␤------> 3enum Dir <N S E W>; say +«(N S7⏏5 E W)␤ expecting any of:␤ infix␤ infix stopper␤»
AlexDaniel m: enum Dir <N S E W>; say +«(N, S, E, W)
camelia rakudo-moar cb9df2: OUTPUT«(0 1 2 3)␤»
jonadab (Other languages also have things that are in some ways similar to Perl hashes, but preserver order, e.g., alists in lisp. But there are performance tradeoffs there.)
*preserve
viki m: enum Dir <N S E W>; say Dir::.list 18:38
camelia rakudo-moar cb9df2: OUTPUT«(W => W E => E S => S N => N)␤»
viki m: enum Dir <N S E W>; say Dir.enums
camelia rakudo-moar cb9df2: OUTPUT«Map.new((:E(2),:N(0),:S(1),:W(3)))␤»
AlexDaniel m: enum Dir <N S E W>; say Dir.^enum_values
camelia rakudo-moar cb9df2: OUTPUT«{E => 2, N => 0, S => 1, W => 3}␤»
lizmat m: enum E (A => 666, B => 42); dd E.enums # which order should these be ?
camelia rakudo-moar cb9df2: OUTPUT«Map.new((:A(666),:B(42)))␤»
kyclark m: subset Dir1 of Str where * eq any <N S E W>; put 'N' ~~ Dir1 18:39
camelia rakudo-moar cb9df2: OUTPUT«True␤»
kyclark m: my @dirs = <N S E W>; subset Dir1 of Str where * eq any <N S E W>; put 'N' ~~ Dir2
camelia rakudo-moar cb9df2: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Undeclared name:␤ Dir2 used at line 1. Did you mean 'Dir1'?␤␤»
lizmat 1. order of definition, 2. alphabetical order on name, 3. order on value ?
AlexDaniel order of numeric value
kyclark m: my @dirs = <N S E W>; subset Dir2 of Str where * eq any @dirs; put 'N' ~~ Dir2
camelia rakudo-moar cb9df2: OUTPUT«True␤»
lizmat AlexDaniel: fwiw, order of definition feels more natural to me 18:40
kyclark Wait, I get "False" on my Rakudo
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AlexDaniel lizmat: except that it never matters 18:40
viki AlexDaniel: isn't using an enum in the first place is so that the numerical order doesn't matter? 18:41
AlexDaniel and it matches the numeric order unless you tell it to do otherwise
viki Or order at all for that matter.
kyclark: what's the perl6 -v ?
kyclark I'm on 2016.10.
viki commitable: 2016.10 m: my @dirs = <N S E W>; subset Dir2 of Str where * eq any @dirs; put 'N' ~~ Dir2
committable6 viki, ¦«2016.10»: True
kyclark Hmm, it works fine in a script. I must be confused.
viki Did you quote the quotes correctly? 18:42
in the shell
AlexDaniel ‘N’ ;)
18:42 lucasb_ left
viki m: enum Dir <N S E W>; say Dir.enums.sort: *.value 18:42
camelia rakudo-moar cb9df2: OUTPUT«(N => 0 S => 1 E => 2 W => 3)␤»
AlexDaniel m: enum Dir <N S E W>; say Dir.^enum_value_list 18:43
camelia rakudo-moar cb9df2: OUTPUT«(N S E W)␤»
AlexDaniel m: enum Dir <N S E W>; dd Dir.^enum_value_list
camelia rakudo-moar cb9df2: OUTPUT«(Dir::N, Dir::S, Dir::E, Dir::W)␤»
viki 0.o
AlexDaniel m: enum Dir <N S E W T N S L R Z>; dd Dir.^enum_value_list
camelia rakudo-moar cb9df2: OUTPUT«Potential difficulties:␤ Redeclaration of symbol 'N and S'␤ at <tmp>:1␤ ------> 3enum Dir <N S E W T N S L R Z>7⏏5; dd Dir.^enum_value_list␤(Dir::N, Dir::S, Dir::E, Dir::W, Dir::T, Dir::N, Dir::S, Dir::L, Dir::R, Dir::Z)␤»
AlexDaniel m: enum Dir <N S E W T L R Z>; dd Dir.^enum_value_list
camelia rakudo-moar cb9df2: OUTPUT«(Dir::N, Dir::S, Dir::E, Dir::W, Dir::T, Dir::L, Dir::R, Dir::Z)␤»
AlexDaniel there we go
kyclark: note that ^enum_value_list is not part of the spec, and in fact is probably considered internal 18:44
kyclark Cool, thanks.
AlexDaniel kyclark: so don't use it
:) 18:45
kyclark Right.
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AlexDaniel I mean, you can, but expect it to break one day because there are no guarantees 18:45
viki In fact, we'll break it on purpose, just to point and laugh at you! 18:46
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AlexDaniel m: enum Dir ( N => 9999, S => 250, E => 99, W => 50 ); say Dir.^enum_value_list 18:47
camelia rakudo-moar cb9df2: OUTPUT«(N S E W)␤»
AlexDaniel so it is in declaration order
lizmat starts working on the Perl 6 Weekly 18:49
kyclark Check this error: pastie.org/10966970 Why are the two "subset"s equivalent?
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viki kyclark: likely 'cause you want @faces.any instead of any @faces 18:53
I don't think it flattens like that.
Juerd lizmat: ♥ p6w
andrzejku_ hey guys
what do you think about Ruby 18:54
viki m: my @a = ^2; say "0 1" ~~ any @a
camelia rakudo-moar cb9df2: OUTPUT«Cannot convert string to number: trailing characters after number in '030⏏5 1' (indicated by ⏏)␤ in block <unit> at <tmp> line 1␤␤Actually thrown at:␤ in block <unit> at <tmp> line 1␤␤»
andrzejku_ isn it a Perl6?
AlexDaniel m: my @a = <a b c d>; say ‘a’ ~~ any @a
camelia rakudo-moar cb9df2: OUTPUT«True␤»
viki kyclark: oh nevermind, I guess it does
AlexDaniel m: my @a = <a b c d>; say ‘z’ ~~ any @a
camelia rakudo-moar cb9df2: OUTPUT«False␤»
andrzejku_ the same feature I mean
viki andrzejku_: no
m: 42.put
camelia rakudo-moar cb9df2: OUTPUT«42␤»
viki Try that in Ruby.... Totally different features.
AlexDaniel xD 18:55
ahhhh
no… 18:56
viki ?
Well, 42.puts too... 18:57
Weren't they advertising it as "everything is an object"?
AlexDaniel ah nvm I'm trying to figure out the Face issue 18:58
viki same
works if class is not involved
AlexDaniel it should be { $_ eq … } I think 18:59
viki oh
AlexDaniel eval: gist.githubusercontent.com/AlexDan...f5/test.p6 19:00
evalable6 AlexDaniel, Successfully fetched the code from the provided URL.
AlexDaniel, rakudo-moar cb9df2b: OUTPUT«Card2.new(face => "Ace", suite => "Diamond")»
viki Well, yeah, it works if you make it like that, but it's supposed to work with the Whatevercode too
AlexDaniel eval: gist.githubusercontent.com/AlexDan...aa/test.p6
evalable6 AlexDaniel, Successfully fetched the code from the provided URL.
AlexDaniel, rakudo-moar cb9df2b: OUTPUT«(exit code 1) Type check failed in assignment to $!face; expected Card2::Face but got Str ("Face")␤ in block <unit> at /tmp/HLjBl2_nvE line 11␤»
19:01 domidumont left
viki or should it 19:01
El_Che lizmat: I created Linux rakudo packages for 2016.11 in case you're announcng that realease
viki lizmat: may be worth asking people for Advent posts too? 19:02
huggable: advent
huggable viki, github.com/perl6/mu/blob/master/mi...6/schedule
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lizmat El_Che viki: will do 19:02
viki lizmat++ 19:03
m: gist.github.com/zoffixznet/28a0b59...3385f0966f
camelia rakudo-moar cb9df2: OUTPUT«[]␤Type check failed in assignment to $!face; expected Card2::Face but got Str ("2")␤ in block <unit> at <tmp> line 6␤␤»
AlexDaniel yeah tried that too
viki kyclark: ^^ my interpretation is that the WhateverCode form gets made during compile time, when the class is created when the array doesn't have anything in it. Or something along those lines. At a guess, sticking that subset outside the class will work 19:04
kyclark Yes, that fixes it!
AlexDaniel well or just use {} I guess 19:05
viki aye, and sticking a BEGIN before the array also corroborates my hypothesis:
m: gist.github.com/zoffixznet/09a9b0b...c88c7459d9
camelia rakudo-moar cb9df2: OUTPUT«Card2.new(face => "2")␤»
viki kyclark: yeah, the cleanest way is to just use the { $_ eq any @blah } instead of moving it outside the class
now... is this a bug or not? :) 19:06
AlexDaniel a trap for sure
even if it is not a bug, perhaps it should throw a warning?
committable6: all gist.githubusercontent.com/zoffixz...005e/p6.p6 19:07
committable6 AlexDaniel, Successfully fetched the code from the provided URL.
AlexDaniel, gist.github.com/5368a4dad5611cd1d9...933bd92ea7
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viki If there *is* a way to make it work, that'd be nice 19:08
m: gist.github.com/zoffixznet/4cc5057...915b0a5df9 19:09
camelia rakudo-moar cb9df2: OUTPUT«CardWorks1.new(face => IntStr.new(2, "2"))␤CardWorks2.new(face => IntStr.new(2, "2"))␤Type check failed in assignment to $!face; expected CardBroken::Face but got IntStr (IntStr.new(2, "2"))␤ in block <unit> at <tmp> line 21␤␤»
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viki .ask jnthn is this a bug? A subset‒*located inside a class*‒with a WhateverCode that closes over an array doesn't get the values of that array: gist.github.com/zoffixznet/4cc5057...915b0a5df9 19:09
yoleaux viki: I'll pass your message to jnthn.
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kyclark So it's the same error if I move the code to a module: pastie.org/10966991 19:12
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kyclark I guess those arrays don't exist? 19:12
awwaiid Come to DC for YAPC::NA 2017 / TPC::NA 2017! June 18-23. I think flights from EU will be affordable. news.perlfoundation.org/2016/11/the...-2017.html 19:14
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awwaiid I see "tadzik: Perl 5, Perl 6, and threading one with the other" -- shall I do one on another day that talks about other Inline::* ? 19:16
perlpilot Maybe WhateverCode doesn't actually close over anything .... or it takes the closure in different phase-space.
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tadzik notices a lot more Inline::s that he knew existed 19:16
yoleaux 17:54Z <japhb> tadzik: You'd asked me to create a PR to improve Terminal-ANSIColor's example.pl, which I did a couple weeks ago in github.com/tadzik/Terminal-ANSIColor/pull/7 ... are you still interested in that?
tadzik oh! 19:17
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tadzik japhb: yes, thanks! :) 19:17
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DrForr viki: I'm not sure how much influence I have/will have that way :/ 19:18
awwaiid tadzik: ya ... Inline::Ruby works pretty well, and this would give me an excuse to work on Inline::Python and others. I need to update gist.github.com/awwaiid/01fe0e56e2c1220548a1 19:21
viki DrForr: actually, based on the invite I just got, I may have the chance to complain loudly first hand :) 19:22
DrForr Oh.
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perlpilot awwaiid++ something on Inline::* would be nice, if nothing else to get the word out there about what's possible 19:23
awwaiid I like to tell people that the subtitle of Perl 6 is "Perl 6: The Polyglot Language", and Inline::* is a great example thereof :)
Tangentally, I watched Matz's keynote on the latest Ruby3 ideas, and he said that they are going to avoid type annotations after all and depend completely on "duck-inference" typing. Very interesting. 19:24
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viki wants to work on Inline::Rust ... 19:25
It involves learning things tho :(
awwaiid viki: go for it! You should sign up to give a talk on it, that helps me get things done
jonadab viki: Not Inline::Intercal?
viki No idea what Intercal even is :) 19:26
awwaiid: meh, I'm not giving any more talks. I'm not cut out for it.
awwaiid It's the opposite of Extracal
viki Staring at confused faces while talking is a bit too much for me :) 19:27
awwaiid I thought you did well in that one video that one time
perlpilot viki: I had that exact same experience while teaching a class in college. I don't see how profs do it day in and day out. 19:28
viki :) 19:29
huf they probably imagine some other faces that arent confused and pretend they're talking to them
lends itself especially well to physics: "take an ideal audience of uniform sense" 19:30
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perlpilot you'll have to tweak the knob for "senseness" a little though 19:33
jonadab viki: Consider yourself fortunate :-) 19:36
lucasb_ I found a little problem with the $*ARGFILES.lines($n) method 19:39
psch i liked tutoring in uni
talks a probably a lot different though
viki jonadab: heh
lucasb_: whatisit?
lucasb_ viki: gist.github.com/anonymous/5e107180...70d8f13ede 19:40
19:41 dha joined
viki Aha 19:42
lucasb_ viki: does it make sense? :)
viki lucasb_: yeah, building a fix 19:43
Oh, I guess I should've read far enough to see your patch 19:45
Wouldn't it pull 1 extra time tho?
Oh never mind, it's a postfix 19:46
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viki fix works. spectesting 19:52
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viki I need a faster computer... all this spectesting is cutting into my gaming time ^_^ 19:56
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tony-o vps 20:00
is anyone out there using green ?
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viki lucasb_: it's in. Thanks. 20:01
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lucasb_ viki: yay, thank you! 20:03
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perlpilot briandfoy++ nice chrysalis 20:07
viki ? 20:09
oh god
perlpilot update #6 on the kickstarter 20:10
viki That's gross really... Bugs are gross >_<
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perlpilot viki: bugs are the dominant form of living protein on the planet ;> 20:11
viki perlpilot: and manure is the dominant nitrogen source for the plants? 20:12
:)
20:12 mj41 joined
viki TBH I thought the original butterfly he had on the cover had a bit of entomophob's nightmare thing going on... 20:13
But now with the thing and the legs :o
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viki shudders 20:13
20:13 ZzZombo is now known as Guest85310
dha goes to look at the latest update 20:13
yoleaux 9 Nov 2016 03:35Z <ugexe> dha: can you tell me what OS you are on and send me the output of `ZEF_PLUGIN_DEBUG=1 zef --debug install $problem-module-name`? That should be enough for me to solve your 'no fetching backend available' issue
dha Oh. Now I have to remember what the problem was... 20:14
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viki m: subset Face of Str where any ~«<2 3 4 5 6 7 8 9 10 Jack Queen King Ace>; say 'Jack' ~~ Face 20:19
camelia rakudo-moar bd4236: OUTPUT«True␤»
viki So this now works on HEAD
20:19 mohae left
viki wonders 20:19
m: class Foo { my @stuff = ~«<2 3 4 5 6 7 8 9 10 Jack Queen King Ace>; subset Face of Str where any @stuff; has Face $.face; }.new: :face('2') 20:21
camelia rakudo-moar bd4236: OUTPUT«Type check failed in assignment to $!face; expected Foo::Face but got Str ("2")␤ in block <unit> at <tmp> line 1␤␤»
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viki oh well 20:21
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ugexe dha: you said you keep getting 'no fetching backend found' error with zef 20:25
20:28 committable6 left, bisectable6 left, benchable6 left, evalable6 left
AlexDaniel boom! 20:28
dha yeah. unfortunately, that was a while ago now, and I don't remember what module was spitting up at me. I'm now trying to install stuff to see if I can reproduce the problem.
RabidGravy Oh weird I've just had a recruiter send me an informix 4gl job 20:30
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RabidGravy I must be the only person in the country owning up to that 20:31
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AlexDaniel soooo… I can't use TWEAK to change an attribute of a parent? 20:36
ah no
needs “is rw” 20:37
tony-o tweaker
jferrero m: fi(9).join("-").say; sub fi($N){(0,1,*+*…∞)[0..$N]} 20:44
camelia rakudo-moar bd4236: OUTPUT«0-1-1-2-3-5-8-13-21-34␤»
20:45 ufobat_ left
jferrero m: fi(9).join("-").say; sub fi($N){(0,1,*+*…∞)[0‥$N]} 20:45
camelia rakudo-moar bd4236: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Bogus postfix␤at <tmp>:1␤------> 3).join("-").say; sub fi($N){(0,1,*+*…∞)[07⏏5‥$N]}␤ expecting any of:␤ infix␤ infix stopper␤ statement end␤ statemen…»
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viki m: fi(9).join("-").say; sub fi{(0,1,*+*…∞)[^($^N+1)]} 20:52
camelia rakudo-moar bd4236: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Unsupported use of $^N variable; in Perl 6 please use $/[*-1]␤at <tmp>:1␤------> 3).join("-").say; sub fi{(0,1,*+*…∞)[^($^N7⏏5+1)]}␤»
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viki lolwut 20:52
stupid Perl 5 and its variables 20:53
m: fi(9).join("-").say; sub fi{(0,1,*+*…∞)[^($^n+1)]}
camelia rakudo-moar bd4236: OUTPUT«0-1-1-2-3-5-8-13-21-34␤»
psch m: my &fi={(0,1,*+*…∞)[^($^a+1)]};fi(9).join("-").say;
camelia rakudo-moar bd4236: OUTPUT«0-1-1-2-3-5-8-13-21-34␤»
psch oh of course that doesn't help 20:54
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viki .u ‥ 20:54
yoleaux U+2025 TWO DOT LEADER [Po] (‥)
psch well, it's the same #-chars vOv
pmurias why was split('', 'foo') changed from what it does in Perl 5?
viki Is that the only thing that changed? :) 20:55
psch isn't that "magically use the last pattern we used before which no one remembers because it could be in a different file"? 20:56
oh, no, that's split(//, 'foo'), sorry
viki I don't think it's special
[Coke] the diff is the blank spaces before and after.
viki Well, yeah, it's 'cause we have .comb for that 20:57
[Coke] some kind of consistency. if you want that particular p5 behavior, the new idiomatic way to get it is with:
m: say "foo".comb
camelia rakudo-moar bd4236: OUTPUT«(f o o)␤»
[Coke] (some kind) but I don't remember what kind. :)
20:57 TEttinger joined
viki With everything else. 20:57
You need :skip-empty if you want Perl 5's behaviour 20:58
[Coke] m: dd split('', 'foo', :skip-empty);
camelia rakudo-moar bd4236: OUTPUT«("f", "o", "o")␤»
jferrero fi(0).join("-").say }; sub fi{(0,1,*+*…∞)[^$^a+1]} 20:59
m: fi(0).join("-").say }; sub fi{(0,1,*+*…∞)[^$^a+1]}
camelia rakudo-moar bd4236: OUTPUT«5===SORRY!5=== Error while compiling <tmp>␤Unexpected closing bracket␤at <tmp>:1␤------> 3fi(0).join("-").say 7⏏5}; sub fi{(0,1,*+*…∞)[^$^a+1]}␤»
jferrero m: fi(0).join("-").say; sub fi{(0,1,*+*…∞)[^$^a+1]}
camelia rakudo-moar bd4236: OUTPUT«␤»
viki You're missing a paren 21:00
^$^a+1 shifts the whole range up
m: say eager ^3+1
camelia rakudo-moar bd4236: OUTPUT«(1 2 3)␤»
viki m: say eager ^(3+1)
camelia rakudo-moar bd4236: OUTPUT«(0 1 2 3)␤»
jferrero Ouch!
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AlexDaniel m: 8490.chr.ord.say 21:25
camelia rakudo-moar bd4236: OUTPUT«75␤»
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viki erl6 -e 'm: 8490.chr.say' 21:27
grrr
That 8490 sure doesn't like my copy/paste feature :/
m: 8490.chr.uniname.say
camelia rakudo-moar bd4236: OUTPUT«LATIN CAPITAL LETTER K␤»
[Coke] Decomposition LATIN CAPITAL LETTER K (U+004B)
^^ from www.fileformat.info/info/unicode/ch.../index.htm 21:28
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[Coke] perl6 respects decomposition. (see also the weird greek semicolon) 21:28
AlexDaniel yea-yea, of course
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Juerd [Coke]: That's not a greek semicolon, but a greek question mark :P 21:33
[Coke] ah, right, it just LOOKS like a semicolon. :) 21:35
Juerd They probably think our semicolons look like question marks :)
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lizmat and another Perl 6 Weekly hits the Net: p6weekly.wordpress.com/2016/11/21/...perl-6-入门/ 21:50
seatek lizmat++ 21:55
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AlexDaniel m: say 9000000000000000.uniprop 21:57
camelia rakudo-moar bd4236: OUTPUT«should eventually be unreachable␤ in block <unit> at <tmp> line 1␤␤»
AlexDaniel :D
well, that's true 21:58
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perlpilot lizmat++ 22:00
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dha FWIW, I haven't come across any fetching backend errors with zef today, but I'm seeing a whole bunch of test errors. 22:16
Maybe I should check how far out of date I am on my Rakudo
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viki lizmat++ good weekly 22:43
So the Next YAPC::NA is close enough to me I could drive to it (8hr drive) 22:44
viki would go, but don't wanna risk being detained or searched, like last time.... :( 22:45
nicq20_ viki: Well, you Canadians are know for being aggressive about your Maple Syrup. :) 22:49
viki :)
tbrowder ditto viki's comment: lizmat++ good weekly, as usual! 22:52
tony-o where is YAPC this year? 22:54
::NA
lizmat Alexandria, VA 22:57
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tbrowder re YAPC::NA 2017: in 23:01
i plan to go if there is enough p6 activity- 23:02
lizmat is not too worried about p6 activity 23:03
I'm more worried about the trumpification of the US :-(
viki :) 23:04
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viki We obviously need to relocate YAPC::NA to a safer country... umm.. just a random location: Toronto, Canada ^_^ 23:06
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lizmat would welcome that 23:11
never been to Toronto yet
but first, some sleep 23:13
so good night, #perl6!
viki -night
dha night lizmat
There has been a YAPC::NA in Toronto. 23:14
lizmat there has been a YAPC::EU in Amsterdam :-)
timotimo "should eventually be unreachable" ought to instead read "are you from the future? what horrible things does the unicode consortium have in store for us?!"
lizmat so there will be a precedent for 2018 NA :-)
afk&
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viki I would go for YAPC::EU in Amsterdam :) 23:19
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viki heh... it's the first place I found that doesn't have a travel advisory from canuk gov :P 23:20
(even in US there's thread of Zika virus)
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skink timotimo, I --profile'd that image matching code and all of runtime is stop, wait-for-result, etc 23:23
timotimo stop? wait-for-result? do you have some multi-threading or something? 23:24
skink This was that thing about .race not improving performance at all 23:25
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tbrowder lizmat: don't worry about Trumpification, the news you see from the US is not generally reliable 23:25
timotimo it'd be more interesting to "perf record -g" and see how much time is spent in invocation-related things 23:26
like fixed_size_alloc and allocate_frame and stuff like that
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skink --profile has negligible time for allocs/gc funny enough 23:28
timotimo yeah
those aren't part of what the profiler considers allocation 23:29
more invocation
also, the profiler doesn't understand multi-threading yet
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AlexDaniel Welcome our new bot :) 23:30
u: ✓∞×
unicodable6 AlexDaniel, U+2713 CHECK MARK [So] (✓)
AlexDaniel, U+221E INFINITY [Sm] (∞)
AlexDaniel, U+00D7 MULTIPLICATION SIGN [Sm] (×)
AlexDaniel u: if there are too many, it will gist it
unicodable6 AlexDaniel, U+0069 LATIN SMALL LETTER I [Ll] (i)
AlexDaniel, U+0066 LATIN SMALL LETTER F [Ll] (f)
AlexDaniel, U+0020 SPACE [Zs] ( )
AlexDaniel, gist.github.com/436dbdcdbd5ddc526f...0afc2e5b6c
AlexDaniel you can also search for names
u: fly butter
unicodable6 AlexDaniel, U+1F98B BUTTERFLY [So] (🦋) 23:31
AlexDaniel and also filter by properties
u: five Nd
unicodable6 AlexDaniel, U+0035 DIGIT FIVE [Nd] (5)
AlexDaniel, U+0665 ARABIC-INDIC DIGIT FIVE [Nd] (٥)
AlexDaniel, U+06F5 EXTENDED ARABIC-INDIC DIGIT FIVE [Nd] (۵)
AlexDaniel, gist.github.com/826524db6b55625c6c...e6ef3c4b28
AlexDaniel but most importantly you can pass code blocks!
u: { .uniname.chars > 60 }
unicodable6 AlexDaniel, U+069C ARABIC LETTER SEEN WITH THREE DOTS BELOW AND THREE DOTS ABOVE [Lo] (ڜ)
AlexDaniel, U+0753 ARABIC LETTER BEH WITH THREE DOTS POINTING UPWARDS BELOW AND TWO DOTS ABOVE [Lo] (ݓ)
AlexDaniel, U+0759 ARABIC LETTER DAL WITH TWO DOTS VERTICALLY BELOW AND SMALL TAH [Lo] (ݙ)
AlexDaniel, gist.github.com/7f7a16100d045149b1...5a15fd3e82
timotimo skink: FWIW, whenever an invocation happens at the moar level, so like a sub call or method call, we run to a single-threaded allocator and have two pieces of memory allocated. each time we take and release a globally shared lock. it's currently far from optimal how this all works. 23:33
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AlexDaniel there are some tiny issues with it (occasional MoarVM panic in complex cases), but otherwise it is fine :) 23:34
nicq20_ AlexDaniel++ 23:35
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viki AlexDaniel++ neat 23:37
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timotimo just pushed a nice memory saving thingie to moarvm's master branch 23:41
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timotimo it'd be nice if people would test it out and report savings for their real world programs 23:41
because i've just been measuring perl6 -e ''
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dha Hm. JSON::RPC does not like me. That this has come up in the context of installing Task::Star is concerning. :- 23:46
dalek ateverable: 196ba7d | (Aleks-Daniel Jakimenko-Aleksejev)++ | Whateverable.pm6:
Add $.always-upload attribute

For things that should be gisted rather than being sent with ␤ characters.		 23:48
ateverable: a368d2b | (Aleks-Daniel Jakimenko-Aleksejev)++ | Unicodable.p6:
Add Unicodable

This is a quick and dirty draft of Unicodable, hoping to improve the code in the future.
23:51 sufrostico joined
dalek ateverable: b7fd9e0 | (Aleks-Daniel Jakimenko-Aleksejev)++ | Unicodable.p6:
Oops, delete debugging stuff
 23:53
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AlexDaniel .u 2² 23:55
yoleaux U+0032 DIGIT TWO [Nd] (2)
U+00B2 SUPERSCRIPT TWO [No] (²)
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AlexDaniel u: 2² 23:55
unicodable6 AlexDaniel, U+0032 DIGIT TWO [Nd] (2)
AlexDaniel, U+00B2 SUPERSCRIPT TWO [No] (²)
AlexDaniel I wonder why yoleaux has a delay
viki dha: I think that module has been buggy for ages. 23:59
And wasn't it removed from R*?

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