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»ö« Welcome to Perl 6! | perl6.org/ | evalbot usage: 'p6: say 3;' or rakudo:, or /msg camelia p6: ... | irclog: irc.perl6.org or colabti.org/irclogger/irclogger_logs/perl6 | UTF-8 is our friend! Set by moritz on 22 December 2015. |
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| lookatme | maybe not trap, but not comfortable for me :( | 00:27 | |
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| timotimo | lookatme: you're in luck! you can just install Slang::Tuxic! | 00:35 | |
| Zoffix | Nah, don't confuse everyone who's gonna read your code :) Just use OOP and #DeathToParens :) | 00:37 | |
| timotimo | heh. | ||
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| Zoffix | Like you can write `grep * > 5, 1, 2, 3, 4` or `.grep: * > 5 with 1, 2, 3, 4` or `(1, 2, 3, 4).grep: * > 5` | 00:38 | |
| That trap is documenteed tho in traps: docs.perl6.org/language/traps#Subr...thod_calls | |||
| m: constant grep = 42; say grep * > 5, 1, 2, 3, 4 # tho then you get this trap :) | 00:39 | ||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Preceding context expects a term, but found infix > instead. at <tmp>:1 ------> 3constant grep = 42; say grep * >7⏏5 5, 1, 2, 3, 4 # tho then you get this t |
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| Zoffix | m: constant meow = 42; sub meow { 100 }; say meow # which is worse in this form | ||
| camelia | 42 | ||
| Zoffix | m: class meow {}; sub meow { 100 }; say meow; # or this form | 00:40 | |
| camelia | (meow) | ||
| Zoffix | m: constant meow = 42; sub meow { 100 }; say meow(); | ||
| camelia | 100 | ||
| Zoffix | m: class meow {}; sub meow { 100 }; say &meow(); # gotta use `&` too, as meow() here is a coercer | 00:41 | |
| camelia | 100 | ||
| Zoffix | m: class meow {}; sub meow { 100 }; say &meow(); # gotta use `&` too, as meow() here is a coercer | ||
| camelia | 100 | ||
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| Zoffix | oops | 00:41 | |
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| lookatme | m: say &sum (1, 2, 3) | 00:48 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Two terms in a row at <tmp>:1 ------> 3say &sum7⏏5 (1, 2, 3) expecting any of: infix infix stopper postfix statement end statement modif… |
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| lookatme | m: say &sum(1, 2, 3) | ||
| camelia | 6 | ||
| lookatme | awesome module Slang::Tuxic | 00:50 | |
| daemon | nn all | 00:56 | |
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| Geth | rakudo.org: 92db004488 | (Zoffix Znet)++ | 2 files Start repo |
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| cfa | hmm | 03:51 | |
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| cfa | hmm | 03:53 | |
| design.perl6.org/S11.html#Modules | |||
| "In the case of modules, the extra behavior is the availability of the export trait and any associated support for Perl 6 standard export semantics." | |||
| so, here's the confusion: if i create Foo.pm but omit 'unit module Foo', the export trait still seems to work as expected | 03:54 | ||
| is Foo 'just' a package in this case? it seems to have some module semantics | 03:55 | ||
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| Zoffix | So which cases cause Str.match return a Failure exactly? | 04:01 | |
| m: dd 'x'.match: /y/, :x(1, 3, 2) | 04:02 | ||
| camelia | Failure.new(exception => X::Str::Match::x.new(got => $(1, 3, 2)), backtrace => Backtrace.new) | ||
| Zoffix | yey | ||
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| Zoffix | cfa: design.perl6.org contains historical archived documents. In a lot of cases they don't represent the current language. | 04:13 | |
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| Zoffix | m: BEGIN '/tmp/2018-03-07/'.IO.mkdir.add('Foo.pm6').spurt: ｢sub foo is export {say 42}｣; use lib '/tmp/2018-03-07/'; use Foo; foo | 04:17 | |
| camelia | 42 | ||
| Zoffix | m: BEGIN '/tmp/2018-03-07/'.IO.mkdir.add('Foo.pm6').spurt: ｢sub foo is export {say 42}｣; use lib '/tmp/2018-03-07/'; use Foo; Foo::foo | ||
| camelia | Could not find symbol '&foo' in block <unit> at <tmp> line 1 |
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| Zoffix | m: BEGIN '/tmp/2018-03-07/'.IO.mkdir.add('Foo.pm6').spurt: ｢our sub foo {say 42}｣; use lib '/tmp/2018-03-07/'; use Foo; foo | ||
| camelia | 42 | ||
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| Zoffix | Without `unit module`, you can export, but the symbols are in a specific namespace. If you `our` them, you can use them even without exporting anything | 04:18 | |
| cfa | Zoffix: understood, though there's very little on unit and package/module relationships in the community docs | ||
| so i went digging | |||
| Zoffix | m: BEGIN '/tmp/2018-03-07/'.IO.mkdir.add('Foo.pm6').spurt: ｢unit module Foo; our sub foo {say 42}｣; use lib '/tmp/2018-03-07/'; use Foo; foo | 04:19 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Undeclared routine: foo used at line 1 |
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| Zoffix | m: BEGIN '/tmp/2018-03-07/'.IO.mkdir.add('Foo.pm6').spurt: ｢unit module Foo; our sub foo {say 42}｣; use lib '/tmp/2018-03-07/'; use Foo; Foo::foo | ||
| camelia | 42 | ||
| Zoffix | m: BEGIN '/tmp/2018-03-07/'.IO.mkdir.add('Foo.pm6').spurt: ｢unit module Foo; our sub foo is export {say 42}｣; use lib '/tmp/2018-03-07/'; use Foo; foo | ||
| camelia | 42 | ||
| Zoffix | And with `unit module`, the symbol is under that module's namespace and you can use it with full name if you `our` it or you can export it. | 04:20 | |
| package is just a placeholder namespace | |||
| cfa | okay, but let's simplify that a bit | ||
| if i omit 'unit module Foo', what is Foo.pm6? | |||
| a package with module-like export traits? | |||
| Zoffix | m: package Foo { our sub meow { say 42 } }; class Foo { method meow { say 100 } }; Foo::meow; Foo.new.meow | ||
| camelia | 42 100 |
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| Zoffix | cfa: don't really know. I'd call Foo.pm6 "a module" and I think most people would. | 04:21 | |
| cfa nods | |||
| so does that mean that Foo.pm6 with and without 'unit module Foo' (here assuming we don't want anything else on that unit line, like :auth) are interchangeable? | |||
| Zoffix | In that both would be called "a module"? Yeah, but behaviour would be different. See my evals above. | 04:22 | |
| nine++ and ugexe++ are the experts in this area. They'd know all the answers on how this stuff works and what's what. | |||
| cfa | thanks | 04:23 | |
| it'd be helpful if the first part of docs.perl6.org/language/modules clarified this | 04:24 | ||
| Zoffix | Yeah. Export stuff could also use more info. | 04:25 | |
| cfa | and unit (perhaps with more centralised info on compunits) | ||
| like, the unit docs are basically docs.perl6.org/language/syntax#Mod...eclaration | 04:26 | ||
| there're two things here, i guess: one is discoverability and reference documentation, the other is a gentle guide to how you go about encapsulating subs | 04:27 | ||
| (i'm phrasing it that way to avoid saying package or module :)) | 04:28 | ||
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| Zoffix | m: say ('abcdefghij'.subst: /y/, :x(1, 2, 3)).^name | 04:48 | |
| camelia | Cannot resolve caller subst(Str: Regex, :x(List)); none of these signatures match: (Str:D $: Str:D $original, Str:D $final, *%options) (Str:D $: $matcher, $replacement, *%options) in block <unit> at <tmp> line 1 |
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| Zoffix | m: say ('abcdefghij'.match: /./, :x(1, 2, 3)).^name | ||
| camelia | Failure | ||
| Zoffix | m: say ('abcdefghij'.match: /./, :nth(1, 3, 2)).^name | ||
| camelia | List | ||
| Zoffix | m: say (eager 'abcdefghij'.match: /./, :nth(1, 3, 2)).^name | ||
| camelia | Attempt to fetch match #2 after #3 in block <unit> at <tmp> line 1 |
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| Zoffix | This feels all over the place. One thing returns a Failure, the other lazily throws | 04:49 | |
| m: say (eager 'abcdefghij'.match: /Y/, :nth(1, 3, 2)).^name | |||
| camelia | List | ||
| Zoffix | m: say ('abcdefghij'.match: /Z/, :x(1, 2, 3)).^name | ||
| camelia | Failure | ||
| Zoffix | And one returns a Failure regardless of the matching, while the other lazily reifies the argument and throws only if the bogus values are reified | 04:50 | |
| Zoffix resists the urge to go on another rant about documenting features right away as these things pop right at you when you do -_- | 04:51 | ||
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| u-ou | is there a better way to write regex foo { ‘a’ || ‘(‘ <.foo> ‘)’ } | 04:52 | |
| Zoffix | m: say 'abcdefghij'.match: /./, :x("1") | 04:54 | |
| camelia | in Str.match, got invalid value of type Str for :x, must be Int or Range in block <unit> at <tmp> line 1 |
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| Zoffix | m: say 'abcdefghij'.match: /./, :nth("1") | ||
| camelia | (｢a｣) | ||
| Zoffix | c'mon | ||
| u-ou: nothing comes to mind | |||
| u-ou | the intention is to maybe have brackets | 04:55 | |
| ZzZombo | it's better to use `'(' ~ ')' <.foo>` for such constructs. | 04:59 | |
| Zoffix | Are they equivalent? | ||
| Geth | doc: 145cdc26eb | (Zoffix Znet)++ | doc/Type/Str.pod6 Add more details Str.match's :nth/:x args |
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| synopsebot | Link: doc.perl6.org/type/Str | ||
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| Geth | doc: f33b51a9be | (Zoffix Znet)++ | doc/Type/Str.pod6 Doc that Str.match: :nth can produce a List of matches |
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| Zoffix | Ah, no, the `~` version will call FAILGOAL on failed match | 05:20 | |
| m: grammar { token TOP { '(' ~ ')' \d }; method FAILGOAL($/) { die "meows: $/" } }.parse: '(42)' | 05:21 | ||
| camelia | meows: ')' in method FAILGOAL at <tmp> line 1 in regex TOP at <tmp> line 1 in block <unit> at <tmp> line 1 |
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| Geth | doc: 4f6cb2161a | (Zoffix Znet)++ | doc/Type/Str.pod6 Document Str.subst[-mutate] setting of $/ For multi-match args, the List value settage was busted in Rakudo until github.com/perl6/roast/commit/af02dd68eb |
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| synopsebot | Link: doc.perl6.org/type/Str | ||
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| Kaiepi | proto and multi are so useful | 05:59 | |
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| Geth | doc: 6734c7f8a1 | (JJ Merelo)++ | doc/Language/regexes.pod6 Adds whitespace closes #1832 |
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| doc: 82f6de4019 | (JJ Merelo)++ | META6.json Eliminates IO::String as hard dep closes #1827 |
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| synopsebot | Link: doc.perl6.org/language/regexes | ||
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| stmuk | ZofBot: WRT rakudo.org replacement I'd like something where I'm able to just commit MD into git and not mess with Wordpress (which seems to suffer frequent security issues anyway) | 08:53 | |
| damm autocomplete | 08:54 | ||
| .tell zoffix WRT rakudo.org replacement I'd like something where I'm able to just commit MD into git and not mess with Wordpress (which seems to suffer frequent security issues anyway) | |||
| yoleaux | stmuk: I'll pass your message to zoffix. | ||
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| TEttinger | some bot just heard "wordpress" and is already heading off to hack rakudo.org | 09:36 | |
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| El_Che | whut | 10:25 | |
| wow | |||
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| rindolf | hi all. sup? | 12:02 | |
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| dogbert2 | hi rindolf | 12:42 | |
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| rindolf | dogbert2: hi | 12:43 | |
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| dogbert2 | rindolf: any new Project Euler solutions in the works? | 13:42 | |
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| rindolf | dogbert2: well, i am working on one | 13:46 | |
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| dogbert2 | which one ? | 14:00 | |
| rindolf: is it one of the later ones, i.e. 612-621 ? | 14:01 | ||
| rindolf | dogbert2: no | 14:03 | |
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| rindolf | dogbert2: it is projecteuler.net/problem=487 | 14:06 | |
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| dogbert2 | rindolf: interesting problem. I wonder if there are any alternatives to a brute force approach. | 14:12 | |
| rindolf | dogbert2: yes, i came up w one | 14:13 | |
| El_Che | rindolf: maybe your solutions could be canaries for the speed enhancements in rakudo? (like the CSV module?) | 14:15 | |
| rindolf | El_Che: maybe | 14:16 | |
| El_Che | the same solution could be run with different compiler releases | 14:17 | |
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| buggable | New CPAN upload: DB-Pg-0.3.tar.gz by CTILMES cpan.metacpan.org/authors/id/C/CT/...0.3.tar.gz | 15:11 | |
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| Geth | doc: 67a578e4d2 | (Will "Coke" Coleda)++ | doc/Type/Str.pod6 fix typo |
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| doc: 26e28eff86 | (Will "Coke" Coleda)++ | doc/Type/Str.pod6 use more straightforward word that won't be confused with a Numeric |
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| synopsebot | Link: doc.perl6.org/type/Str | ||
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| Geth | Pod-To-HTML: JJ++ created pull request #31: Avoid errors in generated docs |
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| Geth | Pod-To-HTML: 51d3fa1380 | (Juan Julián Merelo Guervós)++ (committed by Zoffix Znet) | 3 files Avoid errors in generated docs (#31) * Adds precomp everywhere * Avoid errors in documentation * Comment out debug |
20:54 | |
| Pod-To-HTML: c713a8e34c | (Zoffix Znet)++ (committed using GitHub Web editor) | .gitignore Use simpler ignore rule |
20:55 | ||
| Pod-To-HTML: c6050e631a | (Zoffix Znet)++ (committed using GitHub Web editor) | META6.json Bump version |
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| Kaiepi | i have a nativecall method that takes Pointer[size_t] as an argument, but when i try Pointer[size_t].new($errpos) it just creates a new pointer with $errpos as the address | 21:40 | |
| how do i create it pointing to $errpos' value? | |||
| jnthn | A pointer just points to some storage, it's not storage itself | 21:48 | |
| CArray[size_t].new($errpos) perhaps does what's needed (a pointer to a value and a 1-element heap array are the same in C) | 21:49 | ||
| Kaiepi | ah right, i forgot about that | 21:58 | |
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| Kaiepi | CArray[size_t].new($errpos) works | 21:59 | |
| thanks | |||
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