»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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zoll mu. mu.' 00:22
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lookatme morning 01:57
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BenGoldberg Evening. 02:00
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mspo hi 02:06
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dfghrfghnji How do I make a <pre></pre> block in perl6 pods? 02:18
like =begin pre
so that it doesn't mess up my spacing 02:20
is this even possible? 02:22
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dfghrfghnji m: my uint8 $n = 100; 02:59
camelia ( no output )
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dfghrfghnji m: my uint8 $n = 100; say $n; 03:00
camelia 100
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BenGoldberg m: my int8 $n = 128; say $n; 03:13
camelia -128
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lookatme m: my int8 $n = 128; say $n; my int8 $n2 = int8.new(128); say $n2; 03:17
camelia -128
-128
lookatme m: my int8 $n = 127; say $n; 03:18
camelia 127
ryu0 m: my int8 $n = 127; say $n + $n;
camelia 254
ryu0 ... Some kind of type promotion.
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ryu0 m: my int8 $n = 127; say $n * 3; 03:19
camelia 381
BenGoldberg m: m: my int8 $n = 127; say ($n + $n).WHAT;
camelia (Int)
ryu0 m: my int8 $n = 127; say $n.WHAT;
camelia (Int)
BenGoldberg Hmm, using a method on a primitive might cause autoboxing. 03:20
m: multi foo(int-->'int') {}; multi foo(Int-->'Int') {}; m: my int8 $n = 127; say foo($n); 03:21
camelia int
BenGoldberg m: multi foo(int-->'int') {}; multi foo(Int-->'Int') {}; m: my int8 $n = 127; say foo($n+$n);
camelia int
BenGoldberg m: multi foo(int-->'int') {}; multi foo(Int-->'Int') {}; m: my int8 $n = 127; say foo($n+10000); 03:22
camelia int
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BenGoldberg m: multi foo(int8-->'int8') {}; multi foo(int-->'int') {}; multi foo(Int-->'Int') {}; m: my int8 $n = 127; say foo($n); 03:22
camelia Ambiguous call to 'foo'; these signatures all match:
:(int8 $ --> "int8")
:(int $ --> "int")
in block <unit> at <tmp> line 1
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BenGoldberg m: multi foo(int8-->'int8') {}; multi foo(int-->'int') {}; multi foo(Int-->'Int') {}; say foo(127); 03:23
camelia Int
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BenGoldberg It looks like rakudo has trouble distinguishing between differently sized ints. 03:25
TEttinger that looks like an annoying bug... seems like there's no types being used at all 03:26
or the signature matching is not choosing the most correct type 03:27
(if it's specified as an int8, it should use the int8 version...)
BenGoldberg I'd offer to rakudobug it, but I'm about to fall asleep. Goodnight! 03:29
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ShalokShalom is Perl6 capable to do all these things? 04:57
coconut-lang.org/
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TEttinger heh, ShalokShalom. it looks like they've been half-paying-attention to hacker news 05:04
ShalokShalom how does this answer my question?
TEttinger well, it doesn't, but at least one of those things is a misfeature 05:06
ShalokShalom and what is half-paying-attention?
like?
TEttinger well Hacker News tends to focus on certain features to the exclusion of others. tail call optimization is important primarily if you're porting Scheme code 05:07
there are some other uses for it, but mostly it shows up because Java doesn't have it, and C# doesn't have it
ShalokShalom a lot of different sources criticise languages who lack tailcall optimization 05:08
TEttinger the parallel map example they give is given as an antipattern in Clojure's community
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ShalokShalom like the current JS implementation, except Safari 05:08
yeah
TEttinger pmap in clojure, or parallel_map in coconut, almost never improves the speed of a map
ShalokShalom and? 05:09
in Clojute
Clojure
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TEttinger and it wreaks havoc with side effects 05:09
ShalokShalom is Perl capable to do this stuff?
which features are supported?
is there a list of functional programming language feature support?
TEttinger I don't use perl 6 really, but as far as I can tell, very yes 05:10
ShalokShalom xD
thanks a lot
TEttinger i used it a bit
I think ADTs are supported even in the basic NQP layer
ShalokShalom i see
TEttinger lazy yes
ShalokShalom what does this mean? 05:11
in the basic NQP layer
TEttinger oh sorry, NQP is the language that Perl 6 is built on, it is an acronym for Not Quite Perl
everything in NQP is also in Perl6 I believe, possibly in a different package 05:12
function composition I'm not totally sure on how it works in perl6 because there's some special operators that affect other ones, and i don't know if those compose.
operator functions are more than supported, they go further than in coconut 05:13
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TEttinger same with the alternate fixity (prefix to and from infix) 05:13
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TEttinger destructuring and pattern matching I have no idea if they are or aren't or are planned or what 05:14
pipelining I am almost sure is present, I think I've seen it in use often here 05:15
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ShalokShalom pattern matching is available 05:19
thanks a lot
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ShalokShalom what means this ö in the topic? :) 05:32
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ShalokShalom TEttinger: a developer of Perl 6 seems to like implement tail call optimisation 05:38
news.ycombinator.com/item?id=11961729
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ShalokShalom its not possible anymore to comment on this thread, otherwise would i mention, that Perl6 also can call Python libraries 05:39
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piojo For those who don't write parsers, what do you think of perl6's new regular expression system? 05:51
andrzejku loo 05:53
:) 05:54
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ShalokShalom Perl 5 can call Fortran, Assambler and other inline too, does this count here as well? 06:47
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ShalokShalom is there also inline syntax highlighting and so on supported in some IDEs? 08:03
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pmurias piojo: even when writing "normal" regexes you should be able to use parts of parsers from CPAN 09:19
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ShalokShalom the gradual type inference works with Hindley–Milner, like in Perl5? 09:33
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piojo pmurias: I don't really parse anything uglier than version numbers. What I'm wondering is whether people manage to remember the new syntax if you don't use it for all it's worth 09:42
Because it's dang powerful. But it's also much less literal than typical regexes. It's more of a programming language in and of itself.
So I'm wondering if anyone more experienced than me would say "yep, I always use the :P5 version" or "the differences become simple after you use them a few times" 09:44
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tyil does perl 6 do type classes and higher kinded types? 09:55
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nadim it does type objects, docs.perl6.org/language/classtut#i...pe_object, that may be what you are looking for 10:03
you question is a bit vague, to me, if the doc does not answer your question, maybe giving an example of what you mean could help answer you. 10:04
tyil idk, I was told by some scala folk that it didnt do those things, I cant into scala
so I was hoping someone in here might know more about it :p
nadim What do you need it for? it's all good with scala doing it but what is your use case?
piojo @tyil: or roles. Roles are groups of coherent logic for a specific purpose, like Numeric 10:05
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tyil nadim: none, I just want to be able to tell this guy that perl can do it too :p 10:07
nadim tyil: danielwestheide.com/blog/2013/02/06...asses.html says it's a trait as projo noted. they can be parametrized, and an be applied to single objects with 'but' 10:09
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tyil neat 10:11
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piojo tyil: that page does seem like something roles (and "but" if you're dealing with a builtin type) are suited for. 10:15
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nadim piojo: I have another understanding of 'but', has nothing to do with builtin types but with instanciated objects. correct me if I am wrong 10:21
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nadim .tell Skarsnik: thanks for the help with NativeCall stuff. t's starting to look good i.imgur.com/ay6dLTc.png. I'd like to build a GumboNode with the parent instanciated, did't really get how. 10:25
yoleaux nadim: What kind of a name is "Skarsnik:"?!
nadim .tell Skarsnik thanks for the help with NativeCall stuff. t's starting to look good i.imgur.com/ay6dLTc.png. I'd like to build a GumboNode with the parent instanciated, did't really get how.
yoleaux nadim: I'll pass your message to Skarsnik.
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Xliff_ .last ab5tract 10:29
.seen ab5tract
yoleaux I saw ab5tract 8 Aug 2017 13:51Z in #perl6: <ab5tract> i was wondering where i might find information on nqp::p6bindattrinvres
piojo nadim: yeah, it's for instances, but I was thinking about the article complaining about Ruby's monkey patching polluting the global namespace. It seems like to avoid that, what you would want in that example is to make just the instances do a role. 10:33
nadim: but I'm not sure whether that would work, since I don't know how you'd add your custom adapter logic with 'but'. But I'm new to this. 10:36
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nadim_web It's what 'but' does, only the instance does the role. for a whole class you control it is 'does', there is also 'augment' which is a king of sledge hammer IMO. 11:23
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araraloren evening 11:26
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moritz \o araraloren 11:33
yoleaux 16 Aug 2017 17:03Z <AlexDaniel> moritz: 🙏 unicode in irc log
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araraloren 哦、 11:33
o/
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APic \o 11:34
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moritz 🙏 ! 11:36
:( 11:37
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moritz it seems it's the logging that's messed up :( 11:39
piojo nadim_web: I meant that I didn't know how to supply an implementation when using 'but', but I found that's in the docs.
$object but role Numeric { method Int { return 1; } }
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gfldex the changed to .parse will cause quite a bit of fallout 12:13
as i had to learn for doesn't like to loop over a Failure
araraloren buggable, eco tree
buggable araraloren, Found 10 results: Data::Dump::Tree, File::Directory::Tree, Pod::TreeWalker, Algorithm::BinaryIndexedTree, Algorithm::TernarySearchTree. See modules.perl6.org/s/tree
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gfldex lolibloggedalittle! gfldex.wordpress.com/2017/08/17/pa...g-nothing/ 12:57
raschipi gfldex: Can't the new behavior be made optional with a flag? 12:59
Geth doc: 492a6082ff | (Jonathan Worthington)++ | doc/Type/atomicint.pod6
Add documentation for atomicint.

Together with all of the atomic integer operations.
gfldex raschipi: you can use .subparse instead but that comes with additional semantics 13:00
using the defined-or operator is a common way to deal with such problems (for perlists anyway) 13:01
jnthn I hope just adding that file will be enough for the docs build to index the ops and stuff...guess I'll find out soon :) 13:02
raschipi gfldex: Can't this be delayed to 6.d? 13:03
That's what it's for, isn't it?
gfldex that was my thought aswell
but then we will only find out later
so it might actually lead to less work as it is 13:04
tadzik wait, it broke 6.c?
that's not supposed to happen, is it
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gfldex it did break one of my modules, see my blog 13:05
tadzik right
timotimo raschipi, gfldex, timtoady already said he'd retract the commit if there's ecosystem fallout, which you just demonstrated
tadzik that's how I learned about it
oh, good :)
gfldex timotimo: i would prefer to have to run automated tests for exactly one version of Perl 6 13:06
but what do I know :)
is there a way to force 6.d on a script from the outside? 13:08
would be handy to have an envirounment switch for that for testing
raschipi Can't -M6.d ?
gfldex doesn't work 13:09
and I don't think it should because 6.d is a pragma, not a real module 13:10
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gfldex you would have to add semantics how and when to override pragmas that are locally scoped 13:11
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timotimo gfldex: ideally you'd really only need to test one version 13:14
raschipi But I agree, a flag to ask "will my stuff break on the next version" would be useful. 13:15
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gfldex jnthn: if you keep going like that we will have to ship Perl 6 with a .ttf :-> 13:18
jnthn gfldex: I started out asking for function names and of course the discussion ended up with Unicode operators :P 13:19
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gfldex is // calling .defined? 13:25
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jnthn Yes 13:27
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raschipi u: ⚛ 13:28
unicodable6 raschipi, U+269B ATOM SYMBOL [So] (⚛)
gfldex i'm getting "WARNING: unhandled Failure detected in DESTROY." even though I filtered the list with [//]. 13:29
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timotimo but it goes through all failures? because i think it would short-circuit 13:32
raschipi In the example in your blog post, $parsed will have Nil, but I think $/ will still have the failure, which ends up in the GC.
timotimo m: my $counter = 0; class Thing { method defined { say "defined?"; $counter++ ~~ 5..* } }; say [//] (Thing.new xx 10) 13:33
camelia defined?
defined?
defined?
defined?
defined?
defined?
defined?
defined?
defined?
Thing.new
nadim_web jnthn: my guess is that this error message is bad "Cannot invoke this object (REPR: Null; VMNull)" :)
timotimo hm, ok
jnthn nadim_web: yes
nadim_web I reported it to the module generating it but I am a bit curious of how it can happen. 13:34
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gfldex raschipi: it's actually from a different spot in that module 13:35
raschipi: $/ is set by m// and friends, not .parse 13:36
raschipi Right.
gfldex raschipi: so I was wrong
that leaves the question what $/ should hold on a failed parse
.tell timtoady canned worms alert up until irclog.perlgeek.de/perl6/2017-08-17#i_15032122 13:38
yoleaux gfldex: I'll pass your message to timtoady.
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moritz another Unicode test: € 13:38
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ilmari more testing 💩 13:39
ryu0 please none of that. 13:40
ol
ilmari still doesn't handle non-BMP characaters
moritz it's mysql
ryu0 mysql doesn't support the full unicode range?
ilmari not with the default utf8 character set
you need utf8mb4 13:41
ryu0 facepalms.
ilmari because 🤢
timotimo they did the same mistake microsoft did with their 16bit wide characters ...
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ryu0 works for most text, but falls apart if you want to store other CPs. 13:43
gfldex raschipi: that's the line that is producing the stray Failure object: github.com/gfldex/perl6-git-config...ig.pm6#L18 13:44
ilmari well, they were using utf8, but not allowing more than 3 bytes per codepoint
as in allocating n*3 byte buffers for n-character strings
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ryu0 you can't know the full-size in advance unless you're willing to go to utf32... 13:45
timotimo you could always use surrogate characters ;_;
krlgrs hi ! I need to use ftp or sftp with perl6, should I use Net FTP ? Is there any other way ? 13:46
ilmari that's only defined when decoding utf-16, isn't it?
ryu0 yea...
utf8 is what i store text as ultimately as it doesn't make sense to use utf32 normally. 13:47
especially if i'm just going to output it..
timotimo ilmari: doesn't prevent JSON from being declared to be utf8 but also having surrogate characters in them 13:50
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raschipi krlgrs: There are Perl6 bindings to libcurl: github.com/CurtTilmes/perl6-libcurl 13:52
Geth doc: ronaldxs++ created pull request #1456:
regexes.pod6 change predefined <|wb>, <ww> to <?wb>, <?ww>		 13:53
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Geth doc: c92f2f15e0 | (Jonathan Worthington)++ | doc/Type/Scalar.pod6
Document atomic operations on Scalar containers.
 13:54
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krlgrs raschipi thank you 13:58
b2gills bisect: old=2017.06 exit {S:g:i/(.) <(.*?)> <{~$0 .succ}>//}('codeolfg') eq 'cdefg'
bisectable6 b2gills, On both starting points (old=2017.06 new=a45ede9) the exit code is 1 and the output is identical as well
b2gills, Output on both points: «»
b2gills bisect: old=2017.06 exit {S:g:i/(.) <(.*?)> <{~$0 .succ}>//}(' codeolfg') eq 'cdefg' 14:01
bisectable6 b2gills, On both starting points (old=2017.06 new=a45ede9) the exit code is 0 and the output is identical as well
b2gills, Output on both points: «»
b2gills Huh
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Geth doc: 83d31cb2a5 | (Jonathan Worthington)++ | doc/Type/atomicint.pod6
Follow spelling change to atomic prefix ops.
 14:03
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Geth doc: 568cf1e6bf | (Jonathan Worthington)++ | doc/Type/Thread.pod6
Document full-barrier.
 14:06
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Geth doc: 265000d7a6 | (Ronald Schmidt)++ | doc/Language/regexes.pod6
regexes.pod6 change predefined <|wb>, <ww> to <?wb>, <?ww>
 14:31
doc: 273f326691 | (Ronald Schmidt)++ (committed using GitHub Web editor) | doc/Language/regexes.pod6
Merge pull request #1456 from ronaldxs/non-capture-wb

regexes.pod6 change predefined <|wb>, <ww> to <?wb>, <?ww>
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Geth doc: b6e5e650fc | (Elizabeth Mattijsen)++ | doc/Type/atomicint.pod6
Fix a few typos
 14:34
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ShalokShalom so, 6 get rid of this line noise? 14:37
ilmari no, just a different kind 14:38
more unicodey
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ShalokShalom :/ 14:45
noisy code is fine for programming newbies?
i like to code so clean as possible
raschipi ShalokShalom: Whatever get's the job done. 14:49
ilmari you don't _have_ to write line-noise in any language (except brainfuck, apl etc.)
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raschipi Of course cleaner code is better, but sometimes it's also expensive and unnafordable. 14:52
Geth doc: 2b5abdf42a | (Elizabeth Mattijsen)++ | doc/Type/Scalar.pod6
More typo fixes
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ugexe line noise speaks more to the programmer than the language 15:19
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raschipi gfldex: Do you usually participate in #perl6-dev? 15:33
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ShalokShalom ilmari: for, for what is it for? 15:47
gfldex raschipi: no 15:49
yoleaux 15:30Z <TimToady> gfldex: $/ is in fact set by .parse
ilmari ShalokShalom: what? 15:51
raschipi I was gonna tell you that Timtoady left you a message there, but the bot works cross-channel. 15:53
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perlpilot ShalokShalom: that's just the other edge of the "freedom" knife. If you don't want to be cut, you have to be careful. (though, it's not so hard to "carefully" write non-line-noise) 15:59
ilmari conciseness can sometimes help readability just as much as verbosity can 16:00
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ilmari it's a balancing act 16:00
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ShalokShalom perlpilot: why do you use knifes in general? 16:04
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ShalokShalom i like clean code 16:04
gfldex how do you define "clean code"? 16:05
perlpilot ShalokShalom: knives are useful tools.
ShalokShalom gfldex: less clutter 16:06
obvious
gfldex how do you define "clutter" in the context of code?
ShalokShalom perlpilot: do you think, you can achieve your goals without knifes? 16:07
ilmari ShalokShalom: not if my goal is to cut something
ShalokShalom and if you goal is to open something?
mst C4
ilmari mst++
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mst <NamedN> "you were only meant to blow the bloody for loop... ?" 16:10
gfldex I found that when I have to replace a term that is a matter of definition with another term that is matter of definition I tend to talk about something that doesn't really exists
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ilmari ShalokShalom: what do you consider more readable? 'my $sum = [+] @numbers;' or 'my $sum; for @numbers -> $x { $sum = $sum + $x }'? 16:10
perlpilot ShalokShalom: Metaphors aside, the point is that Perl allows for freedom of expression. A consequence of freedom is that people are allowed to do things you may not like. And that's okay, *you* don't have to do them because of that same freedom. 16:11
ShalokShalom ilmari: both crappy 16:12
less symbols
clear language
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ShalokShalom perlpilot: so long as i can express myself with less noise 16:12
perlpilot ShalokShalom: and you can.
ShalokShalom gfldex: xD
perlpilot: can you show me some example code? 16:13
ilmari ShalokShalom: this better: declare sum integer; for number in numbers do add number to sum yielding sum done;
ShalokShalom guides me "Think Perl 6" into this direction?
ilmari: perfect
perlpilot I guess you can write COBOL in perl ;)
ilmari ShalokShalom: then perl (in any form) is not for you
ShalokShalom just translate in my mother tongue now :P
ilmari: ok, thanks
which one is?
in your opinion 16:14
raschipi COBOL
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raschipi Programmers have a high risk of getting CTS, so very verbose languages got out of fashion a long time ago. 16:16
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Skarsnik Hello 16:16
yoleaux 10:25Z <nadim> Skarsnik: thanks for the help with NativeCall stuff. t's starting to look good i.imgur.com/ay6dLTc.png. I'd like to build a GumboNode with the parent instanciated, did't really get how.
16:01Z <AlexDaniel> Skarsnik: by the way, does RT #131914 affect you in any way, or did you notice it by chance?
synopsebot6 Link: rt.perl.org/rt3/Public/Bug/Display...?id=131914
gfldex ShalokShalom: I do prefere less clutter too, that's why I like Perl 6. But I will define clutter different then you. An I'm quite sure you will change your definition of clutter too after you mastered the language.
ShalokShalom probably 16:17
gfldex my $cfg-handle = ([//] try (@fs».IO».open))
ShalokShalom do you know OCaml
this is what i call less clutter
gfldex that's actually a nested loop and I would not like to write those
ShalokShalom so many symbols <. <
in this code example
gfldex simple nested loops introducing two blocks is what I would count as clutter 16:18
raschipi ShalokShalom: So you don't like to learn Maths? Because of the symbols...
Skarsnik .tell nadim damn that look good
yoleaux Skarsnik: I'll pass your message to nadim.
perlpilot ShalokShalom: when people complain about the symbols used in Perl, I tend to think that's like complaining that the letter "k" exists. It's just a question of what symbology you're used to.
b2gills without those symbols ([//] try (@fs».IO».open)) would have been something like ten times as long 16:19
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perlpilot yeah, learning what the symbols mean and how to use them increases your ability of expression. This is often a good thing. 16:20
gfldex m: my @fs = <a b>; my $fh; for @fs -> $f { $fh.push: try $f.IO.open }; @fs.grep({.defined})
camelia ( no output )
ShalokShalom Perl 5 supports calling from Assembler and other languages which are currently not mentioned in the Perl6 entry on the FFi article on Wikipedia 16:21
perlpilot of course, you have to consider your audience a little bit. You wouldn't speak at a PhD level to a toddler.
gfldex ShalokShalom: I untangled that expression for you
ShalokShalom i guess the NativeCall library counts for both?
gfldex I like my version better
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ShalokShalom yeah, agree 16:21
and yes, math is my weak spot
b2gills gfldex: it also needs a .tail on the grep
gfldex not really
b2gills .head not tail
yoleaux b2gills: Sorry, that command (.head) crashed.
gfldex i want it to blow when I call .slurp 16:22
perlpilot ShalokShalom: do you like music or painting?
ShalokShalom i quite like it, while my school failed to ship it with joy, most of the time
sure
perlpilot (these things are also rife with symbology)
gfldex the @fs should be $fs tho
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ShalokShalom perlpilot: with different kinds of 16:22
our mind work differently, when symbols are into the play, as with sounds
b2gills gfldex: the [//] LIST returns the first defined value, the grep would return all of the defined values 16:23
gfldex b2gills: it does not
TimToady symbols are friendlier to non-English speakers than words are 16:24
perlpilot ShalokShalom: now you've got me wondering how to add an aural component to the Perl language :-)
ShalokShalom do you understand the syntax of OCaml?
gfldex b2gills: see irclog.perlgeek.de/perl6/2017-08-17#i_15032081
ShalokShalom :)
TimToady: thats for what translations are 16:25
perlpilot ShalokShalom: yeah, it's got all those * and | and -> and ( and ) and = and ... symbols. It's totally weird.
ShalokShalom i am wondering, why there are no (?) parsers around, who translate the keywords before the compilation
perlpilot: less symbols
b2gills gfldex: that is doing exactly what I said
ShalokShalom with a clear sense 16:26
gfldex TimToady: I do not agree. Symbols are just fair in that they need both english speakers and non-english speakers to learn something completely new
AlexDaniel .first(*.defined) ?
ShalokShalom TimToady: plus, the tutorials are anyway just in English
so this is a wanna be argument, imho
gfldex: plus this, yeah
its a language on its own 16:27
gfldex ShalokShalom: luckily it's a nice language :)
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b2gills I would argue that `0, 1, 2, 4, 8, 16 ... *` is almost exactly how an English person would write the sequence of powers of 2 16:28
perlpilot ShalokShalom: so ... where's the high-water mark of how many symbols are "just enough, but not too much"? At what point do you feel the symbology as a burden as opposed to concise expression?
b2gills m: say [//] $,$,$, 1, 2 16:29
camelia 1
ShalokShalom perlpilot: how often you use them 16:30
and if the syntax can fit on a post card
AlexDaniel b2gills: I'm a bit late, but isn't ｢([//] try (@fs».IO».open))｣ wrong anyway?
ShalokShalom gfldex: yeah :)
perlpilot ShalokShalom: heh, it's that second one where perl fails you I guess :)
AlexDaniel because all of @fs will be opened anyway
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ShalokShalom i guess so 16:31
[Coke] test?
ShalokShalom perlpilot: so what can you recommend me, in this case?
next to OCaml and Pharo, maybe functional
b2gills AlexDaniel: It does more work than necessary, because it calls .IO.open on all of the values before the [//], but is otherwise fine
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[Coke] weird. irssi was still up, but apparently not connected anywhere. 16:32
perlpilot ShalokShalom: I don't know anything about Pharo, but I like Haskell. 16:33
ShalokShalom: but then, I also like Perl 6 :-)
ShalokShalom i see
thanks a lot
AlexDaniel m: my @a = { Nil }, { say ‘hello’; 42 }, { say ‘world’; 50 }; say @a.map({ .() }).first(*.defined)
camelia hello
42
[Coke] (I see jnthn mentioning he was k-lined elsewhere; wonder if that also happened to me.) 16:34
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nadim Skarsnik: can you give me a hand instanciating a gumbo with a few parents other fields? did you see the screenshot i send you? 17:27
yoleaux 16:18Z <Skarsnik> nadim: damn that look good
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nadim Skarsnik: well I just received your message, so you've seen it 17:28
Skarsnik hm use the module? not sure how to populate most of this stuff 17:31
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nadim Another complex struct self referential if possible would be as good. 17:35
Anything to test with that is instanciated in fact. I tried, without knowing what I did, and the result was a nice data rendering of an exception. at least it died cleanly 17:36
Skarsnik huhu 17:37
nadim :P
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PerlMonger Hi guys 17:50
How do I run perl6 code in Atom? 17:51
I have the perl6 addon
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moritz PerlMonger: perl6advent.wordpress.com/2015/12/...r-support/ mentions an approch using atom-runner 18:13
now idea how up-to-date that is
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moritz s/now/no/ 18:14
PerlMonger I have the package they mention, but I'll have a read through it
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Skarsnik hm, do I need something to coerce a $ holding an Array with for to get each elem? 19:00
m: my $foo = [{a => "1"}, {a => "2"}]; say $foo[1].WHAT; for $foo -> $f { say $f.WHAT}
camelia (Hash)
(Array)
jnthn for @$foo 19:01
moritz or $foo.list, iirc
m: my $foo = [{a => "1"}, {a => "2"}]; say .^name for @$foo;
camelia Hash
Hash
moritz m: my $foo = [{a => "1"}, {a => "2"}]; say .^name for $foo.list
camelia Hash
Hash
raschipi m: my $foo = [{a => "1"}, {a => "2"}]; say .^name for |$foo;
camelia Hash
Hash
Skarsnik Ahh thx :) 19:02
raschipi Skarsnik: Also, note the .^name instead of .WHAT
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raschipi .WHAT uses compiler magic and sometimes doesn't work. If you want the name, ask for it. 19:03
timotimo mostly *.WHAT doesn't do what you would naively expect 19:06
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moritz .WHAT returns the type object; but for debugging, I want the type name 19:08
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lizmat m: my int $a; await do for ^10 { start { $a++ for ^1000 } }; dd $a 19:11
camelia 7315
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lizmat m: my int $a; await do for ^10 { start { $a⚛++ for ^1000 } }; dd $a # whee! 19:12
camelia 10000
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moritz m: my int $a; await do for ^10 { start { $a++ for ^1000 } }; dd $a; say now - INIT now 19:16
camelia 9128
0.00583703
mspo m: 5.WHO
camelia ( no output )
moritz m: my int $a; await do for ^10 { start { $a⚛++ for ^1000 } }; dd $a; say now - INIT now
camelia 10000
0.00864247		 19:17
moritz m: say 5.WHO
camelia Int
moritz m: say 5.WHO.perl
camelia {}
moritz m: say 5.WHO.^name
camelia Stash
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mspo will there be a .WHERE ? 19:22
(and .WHEN/.HOW)
oh there already is a HOW
m: say 5.HOW
camelia Perl6::Metamodel::ClassHOW.new
moritz m: say 'foo'.WHERE
camelia 140590182265624
mspo m: say 'foo'.WHEN 19:23
camelia No such method 'WHEN' for invocant of type 'Str'. Did you mean any of these?
WHERE
WHY

in block <unit> at <tmp> line 1
mspo m: say 'foo'.WHY
camelia No documentation available for type 'Str'.
Perhaps it can be found at docs.perl6.org/type/Str
»
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mspo not sure WHAT to think about that WHERE :) 19:23
raschipi mspo: I think it could be used in NativeCall. 19:24
Skarsnik m: use NativeCall; my size_t $a; say $a.WHERE 19:26
camelia 32309328
raschipi Now cast it to a pointer. 19:27
mspo m: say &foo.WHERE
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared routine:
foo used at line 1
Skarsnik m: use NativeCall; my size_t $a; say $a.WHERE; my int32 $b = nativecast(int32, $a); say $b.WHERE; 19:28
camelia 140438740726336
Native call expected return type with CPointer, CStruct, CArray, or VMArray representation, but got a P6opaque (Int)
in sub nativecast at /home/camelia/rakudo-m-inst-1/share/perl6/sources/24DD121B5B4774C04A7084827BFAD92199756E03 (Na…
Skarsnik m: use NativeCall; my size_t $a; say $a.WHERE; my Pointer[int32] $b = nativecast(int32, $a); say $b.WHERE; 19:29
camelia 139765430248000
Native call expected return type with CPointer, CStruct, CArray, or VMArray representation, but got a P6opaque (Int)
in sub nativecast at /home/camelia/rakudo-m-inst-1/share/perl6/sources/24DD121B5B4774C04A7084827BFAD92199756E03 (Na…
Skarsnik m: use NativeCall; my size_t $a; say $a.WHERE; my Pointer[int32] $b = nativecast(Pointer[int32], $a); say $b.WHERE;
camelia 140020095017536
Native call expected return type with CPointer, CStruct, CArray, or VMArray representation, but got a P6opaque (Int)
in sub nativecast at /home/camelia/rakudo-m-inst-1/share/perl6/sources/24DD121B5B4774C04A7084827BFAD92199756E03 (Na…
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Skarsnik nice one of the the struct of libxml2 has 88 members xD 19:32
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moritz I'm currently looking for inspiration 19:55
for the Perl 6 regexes/grammar book, I want to write an example project
so I need some data format to parse
Skarsnik yaml?
moritz ideally something not too complicated (complete SQL might be too much) 19:56
mspo I submitted a doc pr counting hobbits from LOTR quotes
but I think it's lost
moritz Skarsnik: possibly
mspo yaml is compelx-as-hell
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moritz the more ideas, the better 19:56
mspo what's that simplified one from the github guy?
rust uses it a lot
TOML
moritz mspo: I feared so. But so far, I'm looking for ideas, not judge them
mspo you could probably do a complete TOML in the book
moritz mspo: TOML sounds good
mspo moritz: it has some weird date stuff but, otherwise, is yaml-looking ini 19:57
en.wikipedia.org/wiki/TOML <- I wrote that
Skarsnik prolog? xD 19:58
mspo regarding yaml: stackoverflow.com/a/21699210 19:59
one of my favorites
moritz Skarsnik: worth investigating 20:00
ufobat a simple lisp grammar maybe, moritz?
mspo the first go program was an s-lang parser, apparently
s-expressions
moritz writes down all those suggestions 20:02
raschipi moritz: INI files?
or CSV
mspo apache logs
moritz or apache config file 20:03
Skarsnik elf?
probably not really interesting to write with a grammar thou 20:04
mspo moritz: that's a good NativeCode + Grammar exmaple. You can get apache to dump the parsed config in a c structure
raschipi e-mail headers
mspo moritz: one of the devs wrote a httpd.conf -> json for me one time just in an irc chat
Skarsnik http request? (probably too simple) 20:05
mspo GNATS bug tickets are emails + event log if you want more of a challenge :)
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mspo netbsd has like 50k of them if you want to practice parsing. I made a perl5 script (ugly) to do gnats2json 20:05
for dumping into solr 20:06
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ugexe parse the output of RAKUDO_MODULE_DEBUG to create an orderable dependency graph 20:09
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Skarsnik can't cvs parsing be easily multithreaded? 20:09
moritz Skarsnik: not really 20:10
Geth Inline-Perl5: 4fca7715ba | (Stefan Seifert)++ | lib/Inline/Perl5.pm6
Speed up other invoke methods a tiny bit by using a lower level type check

Ports the same speedup as 04a774ccf87c241e1bf5540d62854689bfdc835d to other ways to invoke methods.
Inline-Perl5: f52727c9fc | (Stefan Seifert)++ | lib/Inline/Perl5/Object.pm6
Speed up generated methods of Perl 5 objects

Use rakudo's optimized multi dispatcher instead of checking ourselves if arguments were passed.
moritz Skarsnik: if you have a CSV dialect that allows multi-line quoted strings, then there's no obvious mechanism for splitting the lines that you could parse in parallel
Skarsnik oh yeah line size is not fixed?
ugexe you could parse individual lines to a worker pool though I would think 20:11
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mspo ugexe: I think you'd want to feed batches of lines 20:12
feels like you'd be spending more cpu dispatching vs parsing
raschipi crontab 20:13
ufobat github.com/ufobat/p6-time-crontab :D
moritz there's more to crontabs though (variable assignments, @reboot clauses etc.) 20:14
ugexe optimally yes. i was imaging how a streaming json parser works
raschipi ufobat: I knew about your awesome work, but I don't think Moritz is lookin for NIY. 20:15
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ufobat what is NIY? 20:15
raschipi not implemented yet
ufobat ah 20:16
perlpilot normally that's spelled NYI
ufobat no my link was more like "feel free to steal some grammar code"
moritz is looking for general ideas for now, and will sift through them later to check if they are feasible
another thing I could parse: IRC commands 20:17
Skarsnik meh
ufobat oh that would be fun
mspo mm bots
Skarsnik it's like CMD arg arg arg args
or CMD args:args:arg blablaba 20:18
moritz I'm also considering a parser for python. Not the full language, but something that deals with indentation levels 20:19
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moritz parsing PCRE using Perl 6 regexes -- how meta 20:23
Skarsnik huhu
ufobat i guess RL examples for users are most likely data from proprietary systems 20:30
for the most common things there are already modules, http, json, markdown, some wiki language 20:31
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Juerd Hi xenowoolfy 20:36
xenowoolfy Hi Juerd
Heh I inadvertently opened the wrong app and suddenly I am in #perl6. Sorry. 20:37
Juerd It's a good place to end up in, even if by mistake :) 20:39
moritz yes; I came here 10.5 years ago to report a broken link, and somehow I stayed
Juerd :)
xenowoolfy :-)
raschipi Yet, broken links everywhere. #Perl6 failed you, Moritz. 20:40
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moritz ... and I only noticed more than a decade later. Shame on me. :-) 20:42
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xenowoolfy lizmat and I are driving back hpme in Echt from Cologne, where we had a regular NiederrheinPM meeting. Talking about German Perl Workshop 2018 in Cologne. Liz gave a demo of jnthn's work on atomic operators. 20:42
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moritz ooh, Köln is nice to reach for me by train or plane 20:44
and if the organization isn't such a disaster as this year, I might attend :-) 20:45
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ChristopherBotto Hello everyone! 20:50
moritz hello ChristopherBotto
ChristopherBotto m: dd %?RESOURCES; 20:51
camelia Nil
ChristopherBotto m: use zef; dd %?RESOURCES;
camelia ===SORRY!===
Could not find zef at line 1 in:
/home/camelia/.perl6
/home/camelia/rakudo-m-inst-1/share/perl6/site
/home/camelia/rakudo-m-inst-1/share/perl6/vendor
/home/camelia/rakudo-m-inst-1/share/perl6
CompUnit::Reposit…
ChristopherBotto m: use Zef; dd %?RESOURCES;
camelia Nil
ChristopherBotto moritz: Hello. 20:52
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ChristopherBotto I was wondering how to use %?RESOURCES. I see it used in other people's code, but don't seem to be able to access it in my own. 20:53
moritz iirc, %?RESOURCES is only available inside an installed module
basically it's a hash where the key is a local path (or file name), and once the module is installed, the value becomes the absolute path to the installed file 20:56
that said, I've never used it myself, and I'm sure others can explain it better
if you are looking for more usage examples, git clone github.com/moritz/perl6-all-modules.git and then do a git grep im there 20:57
ChristopherBotto moritz: Thanks so much! 20:58
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moritz ChristopherBotto: you're welcome 21:00
time for sleeping here
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b2gills .tell moritz I wrote a Grammar for a made up language for a code golf once, I don't know if it is helpful or not for what you are doing stackoverflow.com/a/41770672/1337 22:15
yoleaux b2gills: I'll pass your message to moritz.
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AlexDaniel If I do something like this: 22:29
perl6 -ne 'INIT $*IN.nl-in = ‘a’; INIT $*OUT.nl-out = ‘~~~’; … … … … …'
am I crazy or is it the right way to do something like this?
note that I want to use “\0” for both nl-in and nl-out, the thing above was just an example
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AlexDaniel well, what could possibly go wrong :) 22:39
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