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🦋 Welcome to the MAIN() IRC channel of the Raku Programming Language (raku.org). This channel is logged for the purpose of keeping a history about its development | evalbot usage: 'm: say 3;' or /msg camelia m: ... | Log inspection is getting closer to beta. If you're a beginner, you can also check out the #raku-beginner channel! Set by lizmat on 25 August 2021. |
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| [Coke] | raku-musings.com/sedol-middle.html - points out that "-123" isn't accepted if you have a MAIN arg declared as Int. 123 does, but not -123 | 00:59 | |
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| japhb | Confusion with argument parsing? Might work with "-- -123 | 01:53 | |
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| sena_kun | Xliff, cause I remember github.com/raku-community-modules/...h/pull/130 and was wondering why would you want to. ANd if you're working with postgres, I wonder if DB::Pg is another option to consider. | 07:54 | |
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| tbrowder | g'day, mates, a raku ? if you pls | 12:51 | |
| *plz | |||
| CIAvash | Shouldn't the new-dispatch release have been delayed until the bugs involving ecosystem modules get fixed? | 12:53 | |
| lizmat | CIAvash: any particular ecosystem module you're referring to ? | 12:54 | |
| Altai-man | CIAvash, what bugs were not fixed, github.com/rakudo/rakudo/issues/4562 ? Jonathan has stated the behaviour of previous releases are buggy as itself, so it is not feasible to for it to be a blocker. | 12:55 | |
| s/are/is/ | |||
| tbrowder | i have a class i want to instantiate from a hash. for a given key 'foo', i want to set class attribute $!foo to hash key 'foo's value. i naively tried "$!{$key} = $value" but that doesn't work. | ||
| Altai-man | tbrowder, self.bless(|%hash)? | 12:56 | |
| tbrowder | i know there is a way to do it, but not sure how | ||
| Altai-man | m: class A { has $.a; has $.b; }; my %h = a => 42, b => 50; A.new(|%h).say; | ||
| camelia | A.new(a => 42, b => 50) | ||
| Altai-man | like this? | ||
| tbrowder | Altai-man: looks good, thanks! i'll go try it out.., | 12:57 | |
| CIAvash | Altai-man: yes, (module involved is Curry), so should I wait for correct behavior to be decided or find a workaround? | 12:58 | |
| Altai-man | CIAvash, if I would be a release manager, I'd make the ticket a blocker and suggested delaying updates, monthly releases are not that far off. Finding a workaround is maybe a good idea, it might also help golfing down the issue. Ah, and golfing down the issue would help _a lot_ in getting a fix faster. | 13:00 | |
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| [Coke] | japhb: -- -123 worked. Sadly doesn't look like Arne allows comments. | 13:58 | |
| Altreus | that seems like one of those problems that could be solved by backtracking in the option parser | ||
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| melezhik | weekly: weekly updates of Raku projects on mybfio - mybf.io/?language=Raku | 14:02 | |
| notable6 | melezhik, Noted! (weekly) | ||
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| melezhik | does Raku have a dummy operator, that does nothing? | 14:55 | |
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| Altai-man | melezhik, for routines? | 14:57 | |
| RaycatWhoDat | ..., right? | ||
| melezhik | no, for while loop | ||
| Altai-man | ignore my question | ||
| no, ... is a bit different. | 14:58 | ||
| melezhik, can you provide a small example of what you want to do? | |||
| lizmat | melezhik: while 1 { Nil } ?? | ||
| melezhik | m: 1 while "aaa" ~~ s/a/b/; | ||
| camelia | WARNINGS for <tmp>: Useless use of constant integer 1 in sink context (use Nil instead to suppress this warning) (line 1) Cannot modify an immutable Str (aaa) in block <unit> at <tmp> line 1 |
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| melezhik | m: Nil while "aaa" ~~ s/a/b/; | ||
| camelia | Cannot modify an immutable Str (aaa) in block <unit> at <tmp> line 1 |
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| melezhik | m: 1 while "aaa" ~~ s/a/b/; | ||
| camelia | WARNINGS for <tmp>: Useless use of constant integer 1 in sink context (use Nil instead to suppress this warning) (line 1) Cannot modify an immutable Str (aaa) in block <unit> at <tmp> line 1 |
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| melezhik | this is an example | 14:59 | |
| I don't want `Useless use of constant integer 1 in sink context` warnings | |||
| lizmat | Nil while .... is what I use for those cases | ||
| melezhik | m: my $a = "aaaa"; Nil while $a ~~ s/a/b/; | ||
| camelia | ( no output ) | ||
| lizmat | m: my $foo = "aaa"; Nil while $a ~~ s/a/b/; say $foo | ||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Variable '$a' is not declared at <tmp>:1 ------> 3my $foo = "aaa"; Nil while 7⏏5$a ~~ s/a/b/; say $foo |
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| melezhik | thanks lizmat | ||
| it workas | 15:00 | ||
| works | |||
| lizmat | m: my $foo = "aaa"; Nil while $foo ~~ s/a/b/; say $foo | ||
| camelia | bbb | ||
| lizmat | m: say "aaa".subst(/a/, "b", :global) | ||
| camelia | bbb | ||
| melezhik | :g does not work for me | 15:01 | |
| lizmat | m: my $foo = "aaa"; $foo ~~ s:g/a/b/; say $foo | ||
| camelia | bbb | ||
| lizmat | or that ^^ | ||
| melezhik | i have more complex regexp pattern, where :g does not do what I want, so I have to do `Nil while $a ~~ s///;` workround | ||
| lizmat | that feels... weird | 15:02 | |
| melezhik | ok. let me show MY example | ||
| give me 5 minutes | 15:07 | ||
| m: my $res = ":home: ::ok:: :foo:bar: :fire: :man:"; Nil while $res ~~ s!( ^^ || \s+ ) ':' (<-[\:]>+) ':' ( $$ || \s+ )!{$0}<span class="icon"><i class="fas fa-{$1}"></i></span>{$2}!; say $res; | 15:09 | ||
| camelia | <span class="icon"><i class="fas fa-home"></i></span> ::ok:: :foo:bar: <span class="icon"><i class="fas fa-fire"></i></span> <span class="icon"><i class="fas fa-man"></i></span> | ||
| melezhik | so this is WORKING solution without `g` | ||
| I can't make it work using `~~ s:g` | 15:10 | ||
| the tricky part regexp replacement should only replace `:foo:` but not `::foo::` or `foo::foo` | 15:11 | ||
| Altai-man | that's the only possible input you have or do you parse arbitrary messages where anything can be? | 15:13 | |
| melezhik | so basically it should only replace anything between `:` but WHEN there is no none space symbols before first `:` and no none space symbols after the second `:` | ||
| Altai-man | if yes, then I don't think a regex is necessary at all, just split the string and check properties you want with starts-with / ends-with / substring. | ||
| lizmat | I was thinking along similar lines :-) | 15:14 | |
| melezhik | yes, but my first thought was to use regexp replacement with global, because this what replacement is designed , I don't want to write extra code for split, etc ... | ||
| Altai-man | if regex solution starts to become a real pain maybe it's not the right toot at all. | ||
| extra code... | 15:15 | ||
| Altreus | m: my $res = ":home: ::ok:: :foo:bar: :fire: :man:"; $res ~~ s:g!( ^^ || \s+ ) ':' (<-[\:]>+) ':' ( $$ || \s+ )!{$0}<span class="icon"><i class="fas fa-{$1}"></i></span>{$2}!; say $res; # what DOES it do? | ||
| camelia | <span class="icon"><i class="fas fa-home"></i></span> ::ok:: :foo:bar: <span class="icon"><i class="fas fa-fire"></i></span> :man: | ||
| melezhik | I am not sure if this is bug or not by my `s:g` attempts failed, let me show youy | ||
| Altreus | oh | ||
| it doesn't reënter as you'd expect | |||
| melezhik | ? | 15:16 | |
| Altreus | well it seems like it got most of it right but didn't reapply the regex as you'd have expected when it finished :fire: | ||
| does it perhaps consume the space twice? | |||
| such that when you use a loop it forgets it consumed it | |||
| melezhik | Altreus loop code works correctly for me | 15:17 | |
| Altreus | yes | ||
| but I think the problem with s:g is that you've asked for a space at the start and end, and there's only one space between :fire: and :man:, so you can't have both | |||
| melezhik | m: my $res = ":home: ::ok:: :foo:bar: :fire: :man:"; $res ~~ s:g!( ^^ || \s+ ) ':' (<-[\:]>+) ':' ( $$ || \s+ )!{$0}<span class="icon"><i class="fas fa-{$1}"></i></span>{$2}!; say $res; | 15:18 | |
| camelia | <span class="icon"><i class="fas fa-home"></i></span> ::ok:: :foo:bar: <span class="icon"><i class="fas fa-fire"></i></span> :man: | ||
| Altreus | m: my $res = ":home: ::ok:: :foo:bar: :fire: :man:"; $res ~~ s:g!( ^^ || \s+ ) ':' (<-[\:]>+) ':' <?before ( $$ || \s+ )>!{$0}<span class="icon"><i class="fas fa-{$1}"></i></span>{$2}!; say $res; # what DOES it do? | 15:19 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Unable to parse expression in metachar:sym<( )>; couldn't find final ')' (corresponding starter was at line 1) at <tmp>:1 ------> 3 (<-[\:]>+) ':' <?before ( $$ || \s+ )>7⏏5!{$0}<span class="i… |
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| melezhik | so this one does not work as you can see, as it ignore the last `:man:` | ||
| but it should not | |||
| Altreus | m: my $res = ":home: ::ok:: :foo:bar: :fire: :man:"; $res ~~ s:g!( ^^ || \s+ ) ':' (<-[\:]>+) ':' <?( $$ || \s+ )>!{$0}<span class="icon"><i class="fas fa-{$1}"></i></span>{$2}!; say $res; # what DOES it do? | 15:20 | |
| camelia | 5===SORRY!5=== Unrecognized regex metacharacter < (must be quoted to match literally) at <tmp>:1 ------> 3 s:g!( ^^ || \s+ ) ':' (<-[\:]>+) ':' <?7⏏5( $$ || \s+ )>!{$0}<span class="icon">< Couldn't find terminator ! at <tmp>:1 -… |
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| melezhik | m: my $res = ":home: :fire: :man:"; $res ~~ s:g!( ^^ || \s+ ) ':' (<-[\:]>+) ':' ( $$ || \s+ )!{$0}<span class="icon"><i class="fas fa-{$1}"></i></span>{$2}!; say $res; | ||
| camelia | <span class="icon"><i class="fas fa-home"></i></span> :fire: <span class="icon"><i class="fas fa-man"></i></span> | ||
| melezhik | here is another example of incorrect work, where `:fire` in the middle gets ignored | ||
| Altreus | m: my $res = ":home: ::ok:: :foo:bar: :fire: :man:"; $res ~~ s:g!( ^^ || \s+ ) ':' (<-[\:]>+) ':' <? $$ || \s+ >!{$0}<span class="icon"><i class="fas fa-{$1}"></i></span>{$2}!; say $res; # what DOES it do? | ||
| camelia | 5===SORRY!5=== Unrecognized regex metacharacter < (must be quoted to match literally) at <tmp>:1 ------> 3 s:g!( ^^ || \s+ ) ':' (<-[\:]>+) ':' <?7⏏5 $$ || \s+ >!{$0}<span class="icon"><i Couldn't find terminator ! at <tmp>:1 -… |
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| melezhik | so I ended up with `Nil while $res ~~ s///` alternative, at least it works | 15:21 | |
| m: my $res = ":home: :fire: :man:"; Nil while $res ~~ s!( ^^ || \s+ ) ':' (<-[\:]>+) ':' ( $$ || \s+ )!{$0}<span class="icon"><i class="fas fa-{$1}"></i></span>{$2}!; say $res; | |||
| camelia | <span class="icon"><i class="fas fa-home"></i></span> <span class="icon"><i class="fas fa-fire"></i></span> <span class="icon"><i class="fas fa-man"></i></span> | ||
| Altreus | I do not understand why it has a problem with my < | ||
| melezhik | so like I said, _maybe_ rakudo regexp bug? | ||
| Altreus | noooooo I'm pretty sure the problem is that it consumes the space and continues looking *after* the space | 15:22 | |
| and you've asked for it to have a space or ^^, which now there is not | |||
| e.g. | |||
| m: my $res = ":home: :fire: :man:"; $res ~~ s:g!( ^^ || \s+ ) ':' (<-[\:]>+) ':' ( $$ || \s+ )!{$0} (({$1})) (({$2}))! | 15:23 | ||
| camelia | ( no output ) | ||
| Altreus | oops | ||
| m: my $res = ":home: :fire: :man:"; $res ~~ s:g!( ^^ || \s+ ) ':' (<-[\:]>+) ':' ( $$ || \s+ )!{$0} (({$1})) (({$2}))!l; say $res; | |||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Two terms in a row at <tmp>:1 ------> 3' ( $$ || \s+ )!{$0} (({$1})) (({$2}))!7⏏5l; say $res; expecting any of: infix infix stopper statement end … |
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| Altreus | m: my $res = ":home: :fire: :man:"; $res ~~ s:g!( ^^ || \s+ ) ':' (<-[\:]>+) ':' ( $$ || \s+ )!{$0} (({$1})) (({$2}))!; say $res; | ||
| camelia | ((home)) (( )):fire: ((man)) (()) | ||
| Altreus | hmm! | 15:24 | |
| I guess not! | |||
| melezhik | I also tried to use word boundaries `<<` `>>` but for some reasons this did not work either | ||
| yes, it's possible to golf to more concise example | |||
| afk & | 15:26 | ||
| Altreus | m: my $res = ":home: ::ok:: :foo:bar: :fire: :man:"; s:g/ <?after \s || ^^> ':' (<-[^\:]>+) ':' <?before \s || $$> /[[$0]]/; say $res; | 15:35 | |
| camelia | Use of uninitialized value of type Any in string context. Methods .^name, .raku, .gist, or .say can be used to stringify it to something meaningful. :home: ::ok:: :foo:bar: :fire: :man: in block <unit> at <tmp> line 1 |
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| Altreus | m: my $res = ":home: ::ok:: :foo:bar: :fire: :man:"; $res ~~ s:g/ <?after \s || ^^> ':' (<-[^\:]>+) ':' <?before \s || $$> /[[$0]]/; say $res; | ||
| camelia | [[home]] ::ok:: :foo:bar: [[fire]] [[man]] | ||
| Altreus | melezhik: This seems to work :) | ||
| replace [[ ]] with span etc | 15:36 | ||
| Altai-man | Xliff, ping? | 15:40 | |
| .tell Xliff wrt your question about local modules in Comma. I didn't think about it yesterday, but jnthn has suggested to just add the other modules you have locally as "modules" of the project and now I don't see why wouldn't it work as you want. | 15:42 | ||
| tellable6 | Altai-man, I'll pass your message to Xliff | ||
| Xliff | Altai-man: How is this done? | 15:44 | |
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| Altai-man | Xliff, File -> Project Structure -> Modules -> Import Module. | 15:45 | |
| Xliff | Thank you. | ||
| Altai-man | and if it doesn't work, at least you will have some steps to reproduce like "Download the distribution locally from X, then create a dummy project and try to add it as a module". | 15:46 | |
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| melezhik | Altreus I was also thinking about look ahead / look behind constructions for this , I just did not know the Raku syntax for them | 16:30 | |
| I guess it's more or less most logical way to solve this, however the question why this does not work without loop and look behind/ahead ? | 16:31 | ||
| is not it a bug? | |||
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| Altreus | no I still think you're consuming too much but I'm struggling to prove it | 16:36 | |
| by using look-around the match becomes zero-width and can therefore match both before pos() and after it, basically | 16:37 | ||
| oh! | |||
| m: my $res = ":home: :fire: :man:"; $res ~~ s:g!( ^^ || \s ) ':' (<-[\:]>+) ':' ( $$ || \s )!{$0} (({$1})) (({$2}))!; say $res; | |||
| camelia | ((home)) (( )) ((fire)) (( )) ((man)) (()) | ||
| Altreus | m: my $res = ":home: :fire: :man:"; $res ~~ s:g!( ^^ || \s ) ':' (<-[\:]>+) ':' ( $$ || \s )!{$0} (({$1})) (({$2}))!; say $res; | ||
| camelia | ((home)) (( )):fire: ((man)) (()) | 16:38 | |
| Altreus | melezhik: you were consuming *all* the whitespace | ||
| so the first match consumed ':home: ' | |||
| And then :g needed ' :fire: ' for the next match, but in fact it was only ':fire: ' | |||
| I tried to prove it with more spaces but it just consumed those too :D | 16:39 | ||
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| melezhik | Altreus++ | 17:23 | |
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| lizmat | and yet another Rakudo Weekly News hits the Net: rakudoweekly.blog/2021/10/25/2021-43-thank-you/ | 17:49 | |
| codesections | lizmat++ I think the | 17:53 | |
| Vue + Raku link points to the previous video | |||
| lizmat | meh | 17:55 | |
| indeed | |||
| should be fixed now # codesections++ | 17:56 | ||
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| [Coke] | thank you lizmat! | 18:13 | |
| melezhik | lizmat++ | 18:15 | |
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| Ulti | just tried the latest release and my bioinformatics tests are 2x as fast compared with December 2020 | 19:54 | |
| El_Che | nice | ||
| Ulti | 20850 deopt before down to 142... I'd say that's a significant improvement! | 19:55 | |
| 50% jitted frames to 85% | 19:56 | ||
| MasterDuke | nice | 19:57 | |
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| Ulti | prime benchmark has gotten a little bit slower gist.github.com/MattOates/c5879a07b1ef2c013097 but only a tiny bit | 20:06 | |
| [Coke] laments not having enough cycles to work on a .NET backend yet. | 20:19 | ||
| (though at least I do have some admin stuff written in Raku that is making my job much easier) | 20:22 | ||
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| japhb | Ulti: Aside from arguably the last two tests (primes-naive-grep and primes-naive-parallel-grep), the runtimes for the various prime benchmarks are now all too short to be stable in the face of basic OS scheduling. | 21:36 | |
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| wayland_ | Hi all! Is there a way to tell if there's more data waiting on an IO::Socket::INET without blocking? | 21:40 | |
| japhb | wayland_: Well, you could pull the native-descriptor and use it with select() or so. Or maybe use IO::Socket::Async instead (docs.raku.org/type/IO::Socket::Async) if what you really want is an async API? I guess the real question is -- why do you want to do this? | 21:44 | |
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