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🦋 Welcome to the MAIN() IRC channel of the Raku Programming Language (raku.org). Log available at irclogs.raku.org/raku/live.html . If you're a beginner, you can also check out the #raku-beginner channel! Set by lizmat on 6 September 2022. |
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| ingy | lizmat: you planning to do tpfna next year? | 00:25 | |
| or whatever yapc's called now :) | 00:26 | ||
| tparcna? | |||
| toronto edition | 00:27 | ||
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| rahil | hi there | 10:39 | |
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| Nemokosch | welcome | 10:40 | |
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| how does one reset a @variable to its default value? | 11:30 | ||
| lizmat | @variable = () | 11:32 | |
| Nemokosch | I'm back to thinking one shouldn't ever use @variables, they are too unpredictable for that | ||
| oh, so they just downright ignore is default traits... | 11:35 | ||
| lizmat | m: my @a is default(42) = 1,2,3; dd @a; @a[1] = Nil; dd @a | 11:44 | |
| camelia | Array @a = [1, 2, 3] Array @a = [1, 42, 3] |
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| lizmat | what is so hard to understand about that ? | ||
| Nemokosch | why can't @variables behave like... variables? | 11:46 | |
| why do they sabotage this way of thinking in all possible ways? | 11:47 | ||
| undefined @variable, @variable that doesn't start off empty... hello? | 11:48 | ||
| is there even a way to tell a @parameter "you should start off as undefined", which would be the right thing for a named parameter? | 11:54 | ||
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| Xliff | \i | 13:59 | |
| \o even | |||
| Now working on GTK4 bindings. 880,000 lines of Raku and counting. | |||
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| lizmat | Xliff: I'd be interested in (non-)progress of compilation times | 14:07 | |
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| Xliff | lizmat: I think I send up that on #raku-dev like... yesterday? Day before? | 14:08 | |
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| Geth | ecosystem/main: ccb23906aa | (Lucien Grondin)++ (committed using GitHub Web editor) | META.list Update META.list edit p6-modular link |
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| smol-hors | m: ('000'..'111').join(' ').say | 17:18 | |
| camelia | 000 001 010 011 100 101 110 111 | ||
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| mcmillhj | Are there any quirks with the :cached trait and Set objects? I am trying to memoize a recursive function that has a Set parameter and I never see any values get cached. Smaller example that reproduces what I am seeing: topaz.github.io/paste/ | 18:57 | |
| sorry, this is the url | |||
| topaz.github.io/paste/#XQAAAQB2AgA...2a/81+DaY= | |||
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| lizmat | mcmillhj interesting | 19:13 | |
| tbrowder | xmas | ||
| mcmillhj | If I change my Set to an Array it works as expected. | 19:14 | |
| lizmat | yeah... :cached is experimental for a reason :-) | ||
| this big argument has always been what to use for a key in the cache | |||
| and the original implementation used .gist for determining the key | 19:15 | ||
| m: dd (1,2,3).Set.Str | 19:16 | ||
| camelia | "2 3 1" | ||
| lizmat | m: dd (1,2,3).Set.Str | ||
| camelia | "1 2 3" | ||
| lizmat | and as you can see, it follows the internal random hash ordering for stringification | ||
| m: dd (1,2,3).Str | |||
| camelia | "1 2 3" | ||
| lizmat | m: dd (1,2,3).Str | ||
| camelia | "1 2 3" | ||
| lizmat | note that it is consistent here | 19:17 | |
| mind you, the implementation of :cached predates the current implementation of Sets | |||
| mcmillhj | okay, that makes sense. So w/e structure I am using as a cache needs to have consistent ordering in order for :cached to be consistent. Thank you! This was super informative. | 19:18 | |
| lizmat | you're welcome | ||
| well, for this implementation of :cached, indeed | 19:19 | ||
| note the implementation of "is cached" is very simple: | 19:20 | ||
| github.com/rakudo/rakudo/blob/main...rakumod#L8 | |||
| you could take that sub into your own code and replace c.gist by c.WHICH | 19:21 | ||
| and you would be set, I think | |||
| mcmillhj | ohh let me try that, filtering the arrays is pretty slow. | 19:22 | |
| smol-hors | I get this error when invoking raku-debug on (I'm on Ubuntu 22.10) bpa.st/O3CKS | 19:26 | |
| lizmat | smol-hors: meh, that feels like bitrot, could you make an issue for that ? | 19:29 | |
| meanwhile, you can fall into the REPL by calling the "repl"sub | 19:30 | ||
| smol-hors | sure :) | 19:31 | |
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| smol-hors | issue submitted | 19:39 | |
| hmm, that reminds me. I also cannot enter the repl (I have Rakudo v2022.04). I invoke raku with no arguments and it prints the header but does not show a prompt or respond to input. | 19:41 | ||
| can submit an issue, or is this something fixed in a later version? | |||
| lizmat | are you on Windows ? | 19:44 | |
| smol-hors | Ubuntu 22.10 | ||
| lizmat | ah, duh | ||
| then I suggest upgrading to 2022.12 if possible -) | |||
| Geth | docker: 65c49addd3 | (Daniel Mita)++ (committed using GitHub Web editor) | 5 files Bump to 2022.12 (#51) |
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| smol-hors | ok :) | ||
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| Nemokosch | so what do y'all think of this? github.com/Raku/problem-solving/issues/357 | 20:30 | |
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| MasterDuke | have you tried fixing it in rakudo? any spectests break? | 20:56 | |
| Nemokosch | I haven't. Grammar stuff still makes me shiver. | 21:02 | |
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| surprisingly consistent: native types only support assignment, not binding; NQP only supports binding, not assignment | 23:09 | ||
| surprising yes, consistent not so sure 😄 but really, does anyone know the history of this? | 23:10 | ||
| Geth | doc: 0rir++ created pull request #4178: Put glossary ref on HomePage.pod6 |
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| Xliff | What is this? | 23:36 | |
| "Cannot find method 'is_dispatcher' on object of type BOOTCode" | |||
| Is this another nqp escapee making its way into Raku-land? | |||
| Nemokosch | how do you even get to stuff like this? 😅 | 23:39 | |
| Xliff | NativeCall | ||
| Nemokosch | then this is probably something very meta | 23:41 | |
| Xliff | Hmmm... looks like a predeclaration issue. | 23:43 | |
| m: sub a { ... }; sub b { a() }; sub a { say "A"; b() }; | 23:44 | ||
| camelia | ( no output ) | ||
| Xliff | m: sub a { ... }; sub b { a() }; sub a { say "A"; b() }; b() | ||
| camelia | (signal SEGV)A | ||
| Xliff | m: sub a { ... }; sub b { a() }; sub a { say "A"; b() }; a() | ||
| camelia | (signal SEGV)A | ||
| Xliff | That last shouldn't segfault. Should just print "A" | 23:45 | |
| twice. | |||
| Ah nope. Infinite loop. | |||
| m: sub a { ... }; sub b { a() }; sub a { say "A"; }; b() | 23:46 | ||
| camelia | A | ||
| Geth | doc: 206df08851 | rir++ (committed using GitHub Web editor) | doc/HomePage.pod6 Put glossary ref on HomePage.pod6 (#4178) |
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