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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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| leont | deepmap does recurse | 00:00 | |
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| atweiden-air_ | leont: i think i get it. so .uc is being applied to each list, not to each list element? | 00:02 | |
| leont | Yeah. Map iterates over all elements of @a, which are lists, and calls .uc on them | ||
| atweiden-air_ | makes sense | 00:03 | |
| leont | .uc and other stringy methods are defined on lists, and effectively do .Str.uc | ||
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| tonyo | .seen jjmerelo | 00:56 | |
| tellable6 | tonyo, I saw jjmerelo 2021-05-26T15:37:00Z in #raku: <jmerelo> No changes === good | ||
| tonyo | wowza. | ||
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| ToddAndMargo | Windows 11 pro 22H2. | 01:52 | |
| You guys have been helping me figure out NativeCall and Pointers. I finally got it figured out. I just posted an example over on the perl6 mailing list of use of pointers for calling Windows DLL's and for copying data out of structures when given a pointer to the structure. | |||
| I get a pointer and length from "GetComputerNameA" and then show how to use the pointers to copy the data pointed to with "memcpy_s". | |||
| pastebin.com/ni3J5hvD | |||
| Maybe someone would want to clean this up and post it in Raku's example section? | |||
| Thank you all for the help! | |||
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| grondilu | I was wondering: what's the point of the BEGIN phaser? I mean, shouldn't the compiler compile anything that it can anyway? | 07:10 | |
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| Nemokosch | How do you define "what it can"? | 08:44 | |
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| I'm sure this is written down somewhere or we have talked about it - but how do array literals work? | 09:20 | ||
| [1] - this is a one-element array | 09:21 | ||
| [<a b c>] - this is a three-element array, despite the List inside | |||
| in fact, even [[1, 2]] "auto-flattens" | 09:22 | ||
| I know you can make it a scalar or add a comma, I'm just curious how this is processed | |||
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| Geth | advent: d5913364d3 | (Fernando Corrêa)++ | 2 files Add RedFactory to the list of articles |
09:40 | |
| advent: 4a1b3daf4f | (Fernando Correa de Oliveira)++ (committed using GitHub Web editor) | raku-advent-2022/articles/RedFactory.md Update RedFactory.md |
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| grondilu | I may be wrong but it shouldn't be too hard to assess whether an expression can be compiled or not. For instance in my implementation of md5 (github.com/grondilu/libdigest-raku...t.rakumod) I have blobs and arrays defined in a BEGIN because they depend only on literals. It occurred to me later that the compiler could figure out by itself that these are constant arrays that could and ma | 11:22 | |
| Nemokosch | in that case, why don't you declare them as constants? | 11:23 | |
| grondilu | I did in previous versions, but it doesn't change the fact that it seemed superfluous to me. | 11:24 | |
| Nemokosch | What I don't know are the technical constraints - but frankly, I don't find the demand completely justified in the first place | 11:25 | |
| code runs, well, at runtime, as a main rule | |||
| even in archmage C++ | |||
| if you want to run code by the compiler, you indicate that | 11:26 | ||
| sounds sane to me | |||
| lizmat | grondilu how do you know that Rakudo actually doesn't do that already ? | 11:27 | |
| ok, looking at the code, that might actually be less than trivial :-) | 11:29 | ||
| grondilu | lizmat: I had discussed few weeks ago here about whether it made sense to write `constant $ = Blob.new: some-code(@literal-values);` and I was told it did. Also we made some tests and it was quicker with `constant $ =` | 11:30 | |
| well, not on first execution but on the next ones, IIRC | |||
| Nemokosch | I think lizmat meant to say that there might already be optimizations of the kind you are looking for | ||
| but it turns out that maybe not? | 11:31 | ||
| if pure functions were strongly indicated in Raku, this could go further, I suppose | |||
| lizmat | well, for instance: if you write "42 + 666", it will constant fold that to 708 | ||
| grondilu | To make sure I may write a specific test with a very expensive function I suppose. | ||
| lizmat | and similar cases | 11:32 | |
| if the static optimizer sees an expression consisting of constant values only, it will fold it | |||
| grondilu | There is a pure trait that I considered using at some point, but I thought it was simpler to just use a BEGIN phaser | ||
| lizmat | yeah, using BEGIN makes it easier to reason about as a developer | 11:34 | |
| grondilu | take for instance this : `blob32.new: map &floor ∘ * * 2**32 ∘ &abs ∘ &sin ∘ * + 1, ^64`. Do you think it would be compiled ASAP? | ||
| it's all constants and pure functions | 11:35 | ||
| or "constant fold", I'm not familiar with that terminology | 11:36 | ||
| I know I can just use BEGIN, but I like writing short code, and I'll take anything I can get to simplify things. | 11:38 | ||
| lizmat | en.wikipedia.org/wiki/Constant_folding | 11:40 | |
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| Geth | doc: Kaiepi++ created pull request #4146: Document Metamodel::Primitives' parameterization cache API |
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| tbrowder | i need some help with class introspection, please | 13:43 | |
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| tbrowder | i have the attribute list from self.^attributes and want the value of each | 13:44 | |
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| tbrowder | i have tried: attr.get_value | 13:45 | |
| self.attr.get_value | 13:46 | ||
| self.get_value: attr | |||
| i have done it successfully in the past but don't remember the syntax | 13:47 | ||
| btw, i think my problem here is the same on Todd has, the docs, just like the *nix man pages, don't show the basic use before jumping into meta land assuming the reader already knows a lot about the subject | 13:49 | ||
| lizmat | I believe it is attr.get_value(self) | 13:51 | |
| m: class A { has $.a = 42 }; say A.^attributes[0].get_value(A.new) # tbrowder | 13:52 | ||
| camelia | 42 | ||
| tbrowder | thnx, i used attr.get_value: self | 13:56 | |
| worked great. THANKS, lizmat | |||
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| melezhik | Anton Antonov please see my PR for your modules to migrate to SparrowCI, current builds fail due to absence of sparrow.yaml | 14:23 | |
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| Anton Antonov | <@779471841270038528> Ok, I will do that in the next hour or so... Thanks! | 14:26 | |
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| Geth | advent: p6steve++ created pull request #104: add post |
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| melezhik | . | 15:00 | |
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| Nemokosch | bisectable6: say :42z ~~ :42a; | 15:10 | |
| bisectable6 | Nemokosch, Will bisect the whole range automagically because no endpoints were provided, hang tight | ||
| tellable6 | 2022-12-01T13:29:35Z #raku <El_Che> Nemokosch: your wording makes it sound like Greco-Roman wrestling | ||
| 2022-12-01T21:48:37Z #raku <[Coke]> nemokosch: aspirationally assigned that since you were working on the issue. | |||
| bisectable6 | Nemokosch, Output on all releases: gist.github.com/5f0db399632d356eef...222175561d | 15:11 | |
| Nemokosch, Bisecting by output (old=2021.12 new=2022.02) because on both starting points the exit code is 0 | |||
| Nemokosch, bisect log: gist.github.com/03567ed5811c93feb2...14c079099b | |||
| Nemokosch, (2022-01-04) github.com/rakudo/rakudo/commit/02...53bc6f2ff9 | |||
| Nemokosch, Output on all releases and bisected commits: gist.github.com/ed1f2d431ef660e6b5...09b4f9db79 | 15:12 | ||
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| melezhik | . | 15:58 | |
| Anton Antonov - I wonder why is raku 2022.06 is faster then 2022.07 when running tests for Raku-Data-Generators - ci.sparrowhub.io/report/1966 ? | 15:59 | ||
| Geth | doc: 2colours++ created pull request #4148: Pair.ACCEPTS documentation fix |
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| Anton Antonov | <@779471841270038528> I think it has something to do with the weighted random sampling over Mixes. (Good question!) | 16:01 | |
| melezhik | AA ++ | 16:02 | |
| Anton Antonov | I also, changed the logic of the default selection of random pet names in "Data::Generators", because it seemed slow with very modest sizes (e.g. 4000.) | 16:03 | |
| melezhik | I mean why it is slower for 2022.07 rakudo? | ||
| Anton Antonov | Maybe the Mix sampling with `roll` was changed in some way between 2022.07 and 2022.06 ? | 16:04 | |
| <@779471841270038528> It did not occur to me to check what is the speed with older rakudo versions... | 16:11 | ||
| Geth | advent: 62314a49a0 | p6steve++ (committed using GitHub Web editor) | raku-advent-2022/authors.md add post |
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| advent: 91c0693a7b | (Juan Julián Merelo Guervós)++ (committed using GitHub Web editor) | 2 files Merge branch 'master' into master |
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| advent: 15a813991d | (Juan Julián Merelo Guervós)++ (committed using GitHub Web editor) | raku-advent-2022/authors.md Merge pull request #104 from p6steve/master add post |
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| Geth | doc: 86553739de | 2colours++ | doc/Type/Pair.pod6 Closes github.com/Raku/doc/issues/4147. The description of the Pair ~~ Pair case has been updated to match the specification and contemporary Rakudo. |
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| doc: 36454bad12 | (Will Coleda)++ (committed using GitHub Web editor) | doc/Type/Pair.pod6 Merge pull request #4148 from 2colours/master Pair.ACCEPTS documentation fix |
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| linkable6 | Link: docs.raku.org/type/Pair | ||
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| Geth | doc: b97f1c70e9 | (Ben Davies)++ | 2 files Document Metamodel::Primitives' parameterization cache API This is *very* handy in MOP-heavy code, but is rather unintuitive. Adds "parameterizer" and "noop" as words. |
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| doc: 1c9f10bab1 | (Will Coleda)++ (committed using GitHub Web editor) | 2 files Merge pull request #4146 from Kaiepi/param-cache Document Metamodel::Primitives' parameterization cache API |
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| tbrowder | lizmat: while getting the class introspection syntax correct, i noticed the old pre-kabob-case names again, any thoughts on modernizing all that old stuff? wait for a new version, or just do it? (and same questions ref nqp) | 18:35 | |
| lizmat | A few years ago I asked the same question :-) | 18:38 | |
| afk& | 18:40 | ||
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| El_Che | hi liz | 20:05 | |
| Geth | doc: 0rir++ created pull request #4151: Consolidate quietly into statement-prefix.pod6 from control.pod6. |
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| tbrowder | i briefly looked for a rakudo issue ~~ kabob but found nothing...i'll poke around some more | 20:18 | |
| Nemokosch | kebab? | 20:20 | |
| tbrowder | as in var, sub, method names, raku ppl tend to prefer "some-name" instead of "some_name"; saves a keystroke and looks cooler | 20:30 | |
| name is from look of food chunks on a skewer for cooking | 20:31 | ||
| both i think distinguish *nix ppl from windows ppl | 20:33 | ||
| oh, i used subious alternative spelling, sorry... | 20:38 | ||
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| tbrowder | ok, found it (again), @jnthn put that to rest, see closed issue #1292 | 20:45 | |
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| NemokoschKiwi | is the undersightable bot also gone? | 21:35 | |
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| melezhik | ugexe  I would be interested to hear your thoughts in this - github.com/pdf-raku/PDF-Font-Loade...ku/pull/22 | 21:44 | |
| .tell  @dwarring - I would be interested to hear your thoughts in this - github.com/pdf-raku/PDF-Font-Loade...ku/pull/22 | 21:45 | ||
| tellable6 | melezhik, I cannot recognize this command. See wiki for some examples: github.com/Raku/whateverable/wiki/Tellable | ||
| melezhik | .tell dwarring - I would be interested to hear your thoughts in this - github.com/pdf-raku/PDF-Font-Loade...ku/pull/22 | 21:46 | |
| tellable6 | melezhik, I'll pass your message to dwarring | ||
| NemokoschKiwi | AlexDaniel: good sir, do you know anything about the resolution of the undersightable bot? | ||
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| Geth | doc: 2colours++ created pull request #4152: Altering Online communities section of the community page |
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