»ö« Welcome to Perl 6! | perl6.org/ | evalbot usage: 'p6: say 3;' or rakudo:, or /msg camelia p6: ... | irclog: irc.perl6.org or colabti.org/irclogger/irclogger_logs/perl6 | UTF-8 is our friend!
Set by moritz on 22 December 2015.
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[Coke] I don't get to do a lot of development at work anymore, but ColdFusion & Java were high on the list. 00:40
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mspo CF? 02:08
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ZzZombo m: class A {method a{'a'};method b(|c){c.say}};class B {has A $!a handles *};with B.new {.a;.b} 02:10
camelia \()
ZzZombo m: class A {method a{'a'};method b(|c){c.say}};class B {has A $!a handles *};with B.new {.a.say;.b}
camelia a
\()
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Xliff m: $*VERSION.say 03:13
camelia Dynamic variable $*VERSION not found
in block <unit> at <tmp> line 1
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AlexDaniel Xliff: which version are you looking for? :) 03:15
yoleaux 01:36Z <tbrowder> AlexDaniel: see my updated comment in nqp PR #401. i need expert help to get the nqp::spawnprocasync code in it working. if that can work, then we can have a good test.
Xliff What's the latest "perl6 -v"
AlexDaniel say $*PERL.compiler
evalable6 rakudo (2018.01.177.gc.6.b.1880.b.4)
AlexDaniel say $”VM 03:16
say $*VM
evalable6 moar (2018.01.82.g.296620.e.86)
AlexDaniel say $*PERL
evalable6 Perl 6 (6.c)
Xliff Fuuuu
Somehow I've been rakudobrewing 2017.10
I'm stuck on it.
AlexDaniel well… because…
we changed the default branch from “nom” to “master” :)
Xliff :P
AlexDaniel NQP#401 03:17
synopsebot NQP#401 [open]: github.com/perl6/nqp/pull/401 improve pod panic msg
Xliff so it's rakudobrew build moar-master?
No... 03:18
AlexDaniel rakudobrew self-upgrade
that's according to rakudo.org/2017/10/27/main-developm...to-master/
Xliff 'kay 03:19
Thanks.
So I've been building on the wrong branch since Turkey month. Wheee! 03:20
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ZzZombo m: class A {method a{self.say};method !b(|c){c.say}};class B {has A $!a handles *};with B.new {.a.say;.!b} 03:32
camelia 5===SORRY!5=== Error while compiling <tmp>
Malformed postfix call
at <tmp>:1
------> 3as A $!a handles *};with B.new {.a.say;.7⏏5!b}
ZzZombo m: class A {method a{self.say};method !b(|c){c.say}};class B {has A $!a handles *};with B.new {.a.say;$_!b}
camelia 5===SORRY!5=== Error while compiling <tmp>
Private method call to b must be fully qualified with the package containing the method
at <tmp>:1
------> 3A $!a handles *};with B.new {.a.say;$_!b7⏏5}
expecting any of:
metho…
ZzZombo m: class A {method a{self.say};method !b(|c){c.say}};class B {has A $!a handles *};with B.new {.a.say;$_::B!b} 03:33
camelia 5===SORRY!5=== Error while compiling <tmp>
Private method call to b must be fully qualified with the package containing the method
at <tmp>:1
------> 3!a handles *};with B.new {.a.say;$_::B!b7⏏5}
expecting any of:
metho…
ZzZombo m: class A {method a{self.say};method !b(|c){c.say}};class B {has A $!a handles *};with B.new {.a}
camelia (A)
ZzZombo So what use does `handles` have? 03:34
m: class A {method a(|c){(self,c).say};method !b(|c){c.say}};class B {has A $!a handles *};with B.new {.a}
camelia ((A) \())
ZzZombo It would be a bit more useful if the delegating object was available somehow in the delegate. 03:35
m: my Int Str $a 03:36
camelia 5===SORRY!5=== Error while compiling <tmp>
Multiple prefix constraints not yet implemented. Sorry.
at <tmp>:1
------> 3my Int Str7⏏5 $a
lizmat another sighting of Camelia in the wild: www.facebook.com/139508053330390/p...mp;theater 03:37
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lizmat check out the top of the Marshall amp on the right hand side :-) 03:38
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Geth whateverable: 35de4ba3bc | (Aleks-Daniel Jakimenko-Aleksejev)++ | 2 files
Configurable is better than hardcoded

There are many things that should be changed like this.		 04:04
whateverable: c5278250b5 | (Aleks-Daniel Jakimenko-Aleksejev)++ | bin/Shareable.p6
Make the HEAD build available as .tar.gz

In case somebody wants to use it on an ancient system where zstd is not easily available. Maybe perl6/doc#1765 ?
We'll see how this goes and if it's useful I can improve the code later.
synopsebot DOC#1765 [open]: github.com/perl6/doc/issues/1765 [build] Reduce travis test time
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ZzZombo s: &self, \() 08:27
SourceBaby ZzZombo, Something's wrong: ␤ERR: ===SORRY!=== Error while compiling -e␤Undeclared routine:␤ self used at line 6␤␤
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ZzZombo err 08:27
s: self
SourceBaby ZzZombo, Something's wrong: ␤ERR: ===SORRY!=== Error while compiling -e␤'self' used where no object is available␤at -e:6␤------> put sourcery(<HERE> self )[1];␤ expecting any of:␤ argument list␤ term␤
ZzZombo Why do the docs say self is a function?? 08:28
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Zoffix ZzZombo: on which page do they say that? 08:30
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ZzZombo docs.perl6.org/routine/self 08:31
routine
"(Mu) method self"
Zoffix ZzZombo: "routine" means method, submethod, or sub
m: say Method ~~ Routine
camelia True
Zoffix s: 42, 'self', \() 08:32
SourceBaby Zoffix, Sauce is at github.com/rakudo/rakudo/blob/1340.../Mu.pm#L11
Zoffix s: Failure.new, 'self', \()
SourceBaby Zoffix, Sauce is at github.com/rakudo/rakudo/blob/1340...re.pm#L105
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Zoffix and Regex is also Routine 08:34
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ZzZombo `method self{self}` is not what I'm after. Where actually does the symbol "self" get installed? 08:36
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ZzZombo And why is `self` here `Mu`? 08:37
m: sub look{my &m;my $i=2;while !&m && try callframe($i++) -> $f {given $f.code {when Method {say $f.my.map({.key=>.value});&m=$_};when Sub {last}}};$i.say;&m};class A {method m{}};class B is A {method m{my $a=123;look.say}};B.new.m
camelia ($_ => (Any) $/ => Nil self => (Mu) %_ => (Mu) $*DISPATCHER => (MethodDispatcher) $! => Nil $a => 123 $¢ => Nil)
3
m
Zoffix It's installed by the core Actions/Grammar 08:39
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Zoffix m: BEGIN $?LANG.refine_slang: 'MAIN', role { token term:sym<self> { ['♥'||<sym>] <.end_keyword> { $*HAS_SELF || self.typed_sorry('X::Syntax::Self::WithoutObject') } } }; class Foo { has $.b = 42; method z { ♥.b } }.new.z.say 08:44
camelia 5===SORRY!5=== Error while compiling <tmp>
Bogus statement
at <tmp>:1
------> 3 }; class Foo { has $.b = 42; method z {7⏏5 ♥.b } }.new.z.say
expecting any of:
prefix
term
Zoffix wonder why it doesn't wanna pick it up
m: BEGIN $?LANG.refine_slang: 'MAIN', role { token term:sym<self> { ['♥'||<sym>] { $*HAS_SELF || self.typed_sorry('X::Syntax::Self::WithoutObject') } } }; class Foo { has $.b = 42; method z { ♥.b } }.new.z.say 08:45
camelia 42
Zoffix ^_^
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Geth doc/master: 22 commits pushed by (JJ Merelo)++
review: github.com/perl6/doc/compare/b1b10...db93ff0c9c		 10:22
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ZzZombo s: &term:<rand>,\() 10:39
SourceBaby ZzZombo, Something's wrong: ␤ERR: ===SORRY!=== Error while compiling -e␤Undeclared routine:␤ term:<rand> used at line 6. Did you mean 'term:<time>', 'term:<now>'?␤␤
ZzZombo s: &term:<now>,\()
SourceBaby ZzZombo, Sauce is at github.com/rakudo/rakudo/blob/835b...nt.pm#L121
ZzZombo s: &rand,\()
SourceBaby ZzZombo, Sauce is at github.com/rakudo/rakudo/blob/835b...um.pm#L519
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boop Rakudo 10:52
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ZzZombo Why this doesn't work? 11:08
m: package A {my package EXPORTHOW::DECLARE {constant test=class TestHOW is Metamodel::ClassHOW {method compose(|c){c.say;nextsame}}}};import A;test B {};say B.new.a
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared name:
B used at line 1
Undeclared routine:
test used at line 1
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Geth doc: 6869aa01c2 | (Aleks-Daniel Jakimenko-Aleksejev)++ | .travis.yml
Simplified travis file
 12:11
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travis-ci Doc build errored. Aleks-Daniel Jakimenko-Aleksejev 'Simplified travis file' 12:14
travis-ci.org/perl6/doc/builds/340110665 github.com/perl6/doc/compare/db93f...69aa01c288
12:14 travis-ci left
buggable [travis build above] ☠ Did not recognize some failures. Check results manually. 12:14
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Geth doc: 1356c719c1 | (Aleks-Daniel Jakimenko-Aleksejev)++ | .travis.yml
OK, whatever

That didn't work and I have no idea why.		 12:19
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travis-ci Doc build passed. Aleks-Daniel Jakimenko-Aleksejev 'OK, whatever 12:36
travis-ci.org/perl6/doc/builds/340112168 github.com/perl6/doc/compare/6869a...56c719c1f2
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SmokeMachine m: proto bla(--> Hash()) {*}; multi bla {a => 1, b => 2}; sub ble(-->Hash()) {a => 1, b => 2}; bla.^name; ble.^name 13:54
camelia ( no output )
SmokeMachine m: proto bla(--> Hash()) {*}; multi bla {a => 1, b => 2}; sub ble(-->Hash()) {a => 1, b => 2}; say bla.^name; say ble.^name 13:55
camelia List
Hash
SmokeMachine shouldn't blame and bye return the same type?
s/blame and bye/bla and ble/ 13:56
Geth whateverable: a1ddbea155 | (Aleks-Daniel Jakimenko-Aleksejev)++ | 2 files
Add releases: shortcut

I used this myself many times only to realize that it does not work.
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Geth whateverable: fc82a6653d | (Aleks-Daniel Jakimenko-Aleksejev)++ | bin/Committable.p6
Use “releases” instead of hardcoding it to 6c

This is going to work better once we move to v6.d.		 13:58
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ZzZombo Anybody to answer my question? 14:25
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AlexDaniel answerable: are you ready? 14:27
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AlexDaniel ZzZombo: just ask and we'll see if somebody can help :) 14:28
ZzZombo Why this doesn't work?
m: package A {my package EXPORTHOW::DECLARE {constant test=class TestHOW is Metamodel::ClassHOW {method compose(|c){c.say;nextsame}}}};import A;test B {};say B.new.a
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared name:
B used at line 1
Undeclared routine:
test used at line 1
AlexDaniel ZzZombo: ok… I don't really know, but shouldn't it be “constant test is export = …” ? 14:31
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jnthn ZzZombo: Pretty sure you need your meta-type in a different file, and to `use` it`, for that to work. 14:37
yoleaux 10 Feb 2018 18:54Z <Zoffix> jnthn: Wrote down a proposal for how I imagine type constraints on constants working, if you wanted to comment. This is basically clarification to 6.c spec rather than anything new: github.com/rakudo/rakudo/blob/mast...8-02-10.md
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AlexDaniel benchable6: uptime 15:16
benchable6 AlexDaniel, 17 hours, 28 minutes, and 4 seconds, 878.917969MiB maxrss. This is Rakudo version 2018.01-174-gef1d22f4c built on MoarVM version 2018.01-82-g296620e86 implementing Perl 6.c.
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Voldenet SmokeMachine: I might be mistaken, but I think proto can't define return types, or rather it won't work as you think 15:38
m: proto bla(--> int) {*}; multi bla {a => 1, b => 2}; sub ble(-->Hash()) {a => 1, b => 2}; say bla.^name; say ble.^name 15:39
camelia List
Hash
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Voldenet and if I understand correctly, it can be checked in a proto 15:45
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Voldenet m: proto bla(--> Hash) { my $h = {*}; die("Hash expected, got " ~ $h.WHAT) if $h !~~ Hash; }; multi bla {a => 1, b => 2}; bla.WHAT.say 15:46
camelia Use of uninitialized value of type List in string context.
Methods .^name, .perl, .gist, or .say can be used to stringify it to something meaningful.
in sub bla at <tmp> line 1
Hash expected, got
in sub bla at <tmp> line 1
in block <u…
Voldenet m: proto bla(--> Hash) { my $h = {*}; die("Hash expected, got " ~ $h.^name) if $h !~~ Hash; }; multi bla {a => 1, b => 2}; bla.WHAT.say 15:47
camelia Hash expected, got List
in sub bla at <tmp> line 1
in block <unit> at <tmp> line 1
Voldenet m: proto bla(--> Hash) { my $h = {*}; die("Hash expected, got " ~ $h.^name) if $h !~~ Hash; }; multi bla { { a => 1, b => 2 }}; bla.WHAT.say
camelia Type check failed for return value; expected Hash but got Slip (Empty)
in sub bla at <tmp> line 1
in block <unit> at <tmp> line 1
Voldenet m: proto bla(--> Hash) { my $h = {*}; die("Hash expected, got " ~ $h.^name) if $h !~~ Hash; $h }; multi bla { { a => 1, b => 2 }}; bla.WHAT.say
camelia (Hash)
Voldenet ugh, this kind of works, you might also just do this: 15:48
m: proto bla(--> Hash) { {*}.Hash }; multi bla {a => 1, b => 2}; bla().WHAT.say
camelia (Hash)
Voldenet m: proto bla(--> Hash) { {*}.Hash }; multi bla { 42 }; bla().WHAT.say
camelia Odd number of elements found where hash initializer expected:
Only saw: 42
in sub bla at <tmp> line 1
in block <unit> at <tmp> line 1
Voldenet and it will kind of fail 15:49
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Voldenet in a way you might not expect 15:49
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titsuki bisectable: say sprintf("%lf",10); 16:06
bisectable6 titsuki, Bisecting by output (old=2015.12 new=00af9ce) because on both starting points the exit code is 1
titsuki, bisect log: gist.github.com/7369e66bb57817b924...a63d26f2ba
titsuki, (2016-03-16) github.com/rakudo/rakudo/commit/ad...1088605184
titsuki Why doesn't Per6 treat %lf same as %f? 16:10
*Perl6
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ZzZombo then another unanswered question, why does this fail as well: 16:13
m: class A is Hash[Int] {}
camelia 5===SORRY!5=== Error while compiling <tmp>
Cannot resolve caller trait_mod:<is>(A, Hash, Array); none of these signatures match:
(Mu:U $child, Mu:U $parent)
(Mu:U $child, :$DEPRECATED!)
(Mu:U $type, :$rw!)
(Mu:U $type, :$…
ZzZombo m: class A is Hash[Int] {} 16:14
camelia 5===SORRY!5=== Error while compiling <tmp>
Cannot resolve caller trait_mod:<is>(A, Hash, Array); none of these signatures match:
(Mu:U $child, Mu:U $parent)
(Mu:U $child, :$DEPRECATED!)
(Mu:U $type, :$rw!)
(Mu:U $type, :$…
ZzZombo damn
m: class A {};class B is A[] {}
camelia 5===SORRY!5=== Error while compiling <tmp>
Cannot resolve caller trait_mod:<is>(B, A, Array); none of these signatures match:
(Mu:U $child, Mu:U $parent)
(Mu:U $child, :$DEPRECATED!)
(Mu:U $type, :$rw!)
(Mu:U $type, :$nat…
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timotimo ZzZombo: because "is Blah(123)" is syntax for giving parameters to a trait, just like "is repr('CStruct')" or so 16:59
hm, is that actually what your question is about? 17:00
ZzZombo That's bad, what I want is actually this: 17:01
m: role R[|] {};class A is R['test'] {}
camelia 5===SORRY!5=== Error while compiling <tmp>
Cannot resolve caller trait_mod:<is>(A, R, Array); none of these signatures match:
(Mu:U $child, Mu:U $parent)
(Mu:U $child, :$DEPRECATED!)
(Mu:U $type, :$rw!)
(Mu:U $type, :$nat…
timotimo mhm
well, in that case you have to use "does" anyway 17:02
ZzZombo but I want autopun it
and then, I want users of my class to be able to write `A is MyParametricClass[]`. 17:03
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timotimo m: role R[|] {};class A is (R['test']) {} 17:03
camelia 5===SORRY!5=== Error while compiling <tmp>
Invalid name
at <tmp>:1
------> 3role R[|] {};class A is7⏏5 (R['test']) {}		 17:04
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AlexDaniel titsuki: I don't know, perhaps open a ticket for that? 17:33
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titsuki AlexDaniel: I found that there aren't any tickets for this behavior. Should I issue a ticket? 17:48
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SmokeMachine m: role R[$bla] {method bla {$bla}}; multi trait_mod:<is>(Mu:U \clazz, R, @args) { clazz.^add_parent: R[|@args].^pun }; class C is R[42] {}; say C.bla # it’s not beautiful, but... 18:00
camelia 42
SmokeMachine ZzZombo: ☝️ 18:01
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titsuki AlexDaniel: ok. I issued: github.com/rakudo/rakudo/issues/1514 18:13
Geth doc: 704f835499 | (JJ Merelo)++ | 2 files
Fixes trailing whitespace problems

Mainly introduced by myself, actually. Refs #1766		 18:14
doc: 4501e5bb46 | (JJ Merelo)++ | .travis.yml
Merge branch 'master' of github.com:perl6/doc
doc: e01b3ca7bb | (JJ Merelo)++ | doc/Language/list.pod6
Eliminates one warning

But this is style more than a bug. Actually, there were no errors in the code with the latest version of Rakudo, so this closes #1766
synopsebot Link: doc.perl6.org/language/list
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buggable New CPAN upload: PDF-Class-0.0.7.tar.gz by WARRINGD cpan.metacpan.org/authors/id/W/WA/...0.7.tar.gz 18:52
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Geth whateverable: 50f4a0204e | (Aleks-Daniel Jakimenko-Aleksejev)++ | lib/Misc.pm6
Escape | in markdown

Rhesolves #230 and #275, but there has to be a better way.		 19:09
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lelf (Inside grammar) can you pass a rule as an argument to another rule? 20:39
moritz should be possible, but not trivial 20:40
let me cook up an example...
lelf I'm totally lost in syntax for that :) 20:42
moritz perlpunks.de/paste/show/5a80aafc.3a4f.1ae first shot 20:43
I guess rules are not optimized for higher-level programming 20:44
lelf hmm 20:50
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lelf I need to “parameterize” part of grammar (think, expr over Int / expr over one-letter variable). I can totally do that with grammar inheritance. Just searching for a less verbose way. 20:56
jnthn self.^lookup('a') is a bit less to type 20:57
And I think it could be called as <&param> 20:58
If you want to use regex syntax in the target
moritz token x(&param) { <&param> }
dies with
Undeclared routine:
param used at line 10
jnthn :/ 20:59
What about just &param without the <...> around it?
moritz doesn't error, but doesn't match either
jnthn Or just $param in both places I think should work failing that
Curious, wonder why 21:00
moritz just $param works
perlpunks.de/paste/show/5a80aef0.75e5.3af works
parameterizing rules is something that I left out in my book 21:01
guess there's always options for v2 :-)
jnthn Guess it's hard to cover everyting 21:02
*everything
moritz wasn't the goal either :)
jnthn That sounds wise. :-) 21:04
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lelf Ha. I even tried that (token x($arg))... Now I know why it didn't work. Because I was trying to guess syntax for method lookup 21:07
moritz m: grammar A { token x(&a) { &a } } 21:08
camelia ( no output )
moritz m: grammar A { token x(&a) { <&a> } }
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared routine:
a used at line 1
moritz that is a bug, right?
jnthn Yeah, surely 21:09
moritz I opened github.com/rakudo/rakudo/issues/1516 21:14
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MasterDuke committable6: releases grammar A { token x(&a) { <&a> } } 21:19
committable6 MasterDuke, ¦releases (27 commits): «04===SORRY!04=== Error while compiling /tmp/YN6tJVU8iB␤Undeclared routine:␤ a used at line 1␤␤ «exit code = 1»»
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AlexDaniel m: say 42 21:35
camelia 42
AlexDaniel m:say 42
evalable6 42
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Thrush Hi, guys! I was wondering if there's a certain module available in Rakudo Star, and if not, if it could be part of its standard modules. 22:58
It's a module to convert filename wildcards from "*/*/*.txt" to a list of filenames that it matches. Just like glob() in Perl5, Dir[] in Ruby, and the "import" module in Python. I don't know of one in Perl6 that's standard. Or is there one I don't know about? 23:00
...I meant: ...and the "glob" module in Python. (Not "import".) 23:01
MasterDuke buggable: eco glob 23:02
AlexDaniel Thrush: something like github.com/zostay/perl6-IO-Glob ?
buggable MasterDuke, Found 3 results: IO::Glob, IO::Glob, Module::Does. See modules.perl6.org/s/glob
AlexDaniel fwiw I don't see it in github.com/rakudo/star/blob/master...ODULES.txt 23:03
Thrush IO::Glob might be what I'm looking for, but neither IO::Glob, IO::Glob, nor Module::Does comes standard with the Rakudo Star I downloaded. (Maybe it's out-of-date?) 23:05
AlexDaniel no, it's not included in rakudo star 23:06
Thrush I think it would be good to make it a standard module, since Perl is supposed to be a language that works well with file operations, and so an IO::Glob module would pretty much be expected.
geekosaur I think the problem is globbing has inherent OS dependencies 23:08
Thrush I know the people maintain Rakudo Star probably get lots of requests to make a module standard, but I think IO::Glob deserves to be part of every Perl 6 distribution. Otherwise, Perl 6 lacks a very useful feature, present in just about every other scripting language (including Perl 5).
geekosaur: Maybe, but that doesn't stop the other languages from having something similar. 23:09
jnthn Thrush: Perhaps file an issue on the Rakudo Star distro: github.com/rakudo/star/issues 23:10
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jnthn (Since I don't think anyone who decides what goes into it is here right now) 23:11
Thrush jnthn: Thanks. Do I need a github account to submit a New Issue? 23:12
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AlexDaniel Thrush: for that particular repo yes 23:13
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Geth whateverable: f908495295 | (Aleks-Daniel Jakimenko-Aleksejev)++ | t/lib/Testable.pm6
Fix uptime test

I have no idea why this is still not committed. The change happened a long time ago.		 23:30
whateverable: 177b77cb2e | (Aleks-Daniel Jakimenko-Aleksejev)++ | 2 files
Add a gazillion of ways to trigger Evalable

When camelia is not around.
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