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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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| Xliff | \o | 13:06 | |
| Altai-man | o/ | 13:11 | |
| [Coke] | . | 13:19 | |
| tellable6 | 2021-09-08T22:17:37Z #raku <tbrowder> [Coke] new doc PR is #3955, merged and closed, i think it is fine | ||
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| jdv | lizmat: a very minor thing - could the logs live page be made a bit more updatey? maybe a meta refresh and a count of new lines or whatever in the title... | 14:30 | |
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| lizmat | jdv: that is being worked on! | 15:21 | |
| in fact, I hope to be able to put the new layout live before the end of the month :-) | 15:22 | ||
| Geth | doc/routine-multi: d418a61e72 | (Daniel Sockwell)++ (committed using GitHub Web editor) | doc/Language/variables.pod6 Note that &?ROUTINE refers to current multi This commit adds a note that &?ROUTINE refers to the current multi candidate and compares it to callsame, which allows self-recursion to the entire proto. |
15:23 | |
| doc: codesections++ created pull request #3957: Note that &?ROUTINE refers to current multi |
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| doc/samewith: 3faf5376e5 | (Daniel Sockwell)++ (committed using GitHub Web editor) | doc/Language/functions.pod6 Correct description of samewith The docs previously stated that samewith calls the same multi _candidate_, but samewith calls the entire multi. This commit corrects that, and adds an example that illustrates samewith's behavior. |
15:33 | ||
| doc: codesections++ created pull request #3958: Correct description of samewith |
15:37 | ||
| jdv | lizmat: neat, thanks | 15:42 | |
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| Geth | doc: 01887df0a5 | (Daniel Sockwell)++ (committed by Juan Julián Merelo Guervós) | doc/Language/functions.pod6 Correct description of samewith The docs previously stated that samewith calls the same multi _candidate_, but samewith calls the entire multi. This commit corrects that, and adds an example that illustrates samewith's behavior. |
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| linkable6 | Link: docs.raku.org/language/functions | ||
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| Geth | doc: 1ef056b1fb | (Daniel Sockwell)++ (committed by Juan Julián Merelo Guervós) | doc/Language/variables.pod6 Note that &?ROUTINE refers to current multi This commit adds a note that &?ROUTINE refers to the current multi candidate and compares it to callsame, which allows self-recursion to the entire proto. |
17:34 | |
| linkable6 | Link: docs.raku.org/language/variables | ||
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| Geth | doc: c730122bec | Coke++ | xt/word-variants.t Add "call site" variant Prefer over callsite, call-site |
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| doc: 0caaea403a | Coke++ | doc/Language/functions.pod6 prefer 'call site' |
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| linkable6 | Link: docs.raku.org/language/functions | ||
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| Geth | doc: 8966a49f14 | (Alexander Hartmaier)++ | doc/Language/operators.pod6 add Set operator character explanations |
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| doc: 2d5418e10d | (Will Coleda)++ (committed using GitHub Web editor) | doc/Language/operators.pod6 Merge pull request #3919 from abraxxa/master add Set operator character explanations |
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| linkable6 | Link: docs.raku.org/language/operators | ||
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| guifa | So my google fu failed me and I forgot to note it. What do we do for testing out the new-disp branch? Just build it or are there any flags we need to set? | 20:03 | |
| ah here we go | 20:24 | ||
| --gen-nqp=new-disp | |||
| gfldex | perl Configure.pl --force-rebuild --gen-moar=new-disp --gen-nqp=new-disp --make-install | 20:26 | |
| guifa: ^^^ from the last weekly | |||
| guifa boos Google for requiring about two dozen different combination of search terms to find it haha | |||
| moon-child | m: 0x_5 | 20:37 | |
| camelia | WARNINGS for <tmp>: Useless use of constant integer 0x_5 in sink context (line 1) |
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| moon-child | m: 0_x5 | ||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Confused at <tmp>:1 ------> 0307⏏5_x5 expecting any of: whitespace |
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| moon-child | :/ | ||
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| Rogue | Is there a way to specify that a captured type needs to be a parameterizable role with one parameter? | 21:22 | |
| For example in Scala one can say `trait Functor[F[_]]` | 21:23 | ||
| So the Raku equivalent would look something like `role Functor[::F ??? ]` | 21:24 | ||
| moon-child | I think you can use 'where' | 21:25 | |
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| Rogue | I was thinking the same but I'm not sure how to check those things with the MOP | 21:29 | |
| I guess part of it can be done with `where *.HOW ~~ Metamodel::ParametricRoleHOW` | 21:31 | ||
| moon-child | that will also match roles with multiple parameters though | 21:32 | |
| Rogue | yeah | ||
| moon-child | you could check whether *.^parameterize(Any) errors, but that's ugly | ||
| err, no | |||
| Rogue | It would be nice to have syntax for this that doesn't involve touching the metamodel | 21:33 | |
| which is technically not part of the lang spec | |||
| moon-child | you want to look at the contents of metaobjects. What tool could you wish for other than a metaobject protocol? | 21:34 | |
| Rogue | I mean yeah | 21:35 | |
| But I could wish for some nice syntax for this particular case, like what Scala provides :) | 21:37 | ||
| moon-child | here we go! | 21:41 | |
| T.^candidates.map(*.^body_block.arity).any == 2 | |||
| Rogue | Wow, that's next-level | 21:42 | |
| Hm, apparently we "Cannot do non-typename cases of type_constraint yet" according to my Rakudo | 21:44 | ||
| moon-child | hmm. I was going to say, you should be able to work around that with a subset. But it doesn't seem to work here | 21:46 | |
| oh, yes, you can | 21:47 | ||
| subset OneParameter of Mu where *.^candidates.map(*.^body_block.arity).any == 2; role Functor[OneParameter ::T] { ... } | 21:48 | ||
| should work, I think | |||
| oh, you need to check arity <= 2 <= count | 21:51 | ||
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| Xliff | m: DateTime.new(1).gist.say | 22:52 | |
| camelia | 1970-01-01T00:00:01Z | ||
| Xliff | How can I get that to read properly in my TZ? | ||
| So 1/1/70 00:00:01 -04:00 | |||
| Datetime should have a new-local, I think. | 22:53 | ||
| [Coke] | github.com/raku-community-modules/...e-TimeZone | ||
| gfldex | m: DateTime.new(1, :timezone(-4*3600)).say | 22:54 | |
| camelia | 1969-12-31T20:00:01-04:00 | ||
| Xliff | hehehe | ||
| [Coke] | perhaps github.com/alabamenhu/DateTimeTimezones | ||
| gfldex | m: DateTime.new(1).in-timezone(-4*3600).say | ||
| camelia | 1969-12-31T20:00:01-04:00 | ||
| Xliff | [Coke]: Is that availble via zef? | 22:55 | |
| gfldex: Trust me, I've tried most of the variants of that and still get a value in 1969. | |||
| [Coke] | I found it on the modules site, so probably. | 22:57 | |
| I didn't try either of them, let me try the latter. | |||
| .... as soon as MTGA is done launching, jeez. | |||
| Xliff | "zef install DateTimeTimezones" does not work. | 22:58 | |
| [Coke] | ah. "(NYI) The formatter has been changed to indicate the timezone. This makes it incompatible with RFC 3339. The use option 'rfc3339' will restore the original formatter. | 23:01 | |
| it's "DateTime::Timezones" - search for it on modules.raku.org, then use the name its listed under there. | |||
| Xliff | Aaand... "Passed bad arguments to DateTime somehow | 23:02 | |
| in method <anon> at /home/cbwood/Projects/rakudobrew/versions/moar-blead/install/share/perl6/site/sources/BF8DC17C7D061DE407BA1FC82207D0F56C81DFEE (DateTime::Timezones) line 127" | |||
| raku -e 'use DateTime::Timezones; my $dt = DateTime.new(DateTime.new(1).offset + 1, timezone => DateTime.now.offset); $dt.gist.say; $dt.is-dst.say' | |||
| [Coke] | sorry. :( | 23:14 | |
| guifa | Ooops | ||
| guifa will take a look | |||
| (it's my module) | |||
| Xliff | guifa: No worries! | 23:15 | |
| So... the way I see it is that a .new-local for DateTime would need to set the TZ FIRST, and then assign the value. | |||
| To set the TZ after the value is set will always resolve a value in the past for negative timezones. | 23:16 | ||
| guifa | Xliff: so you're wanting the timezone to print out with 00:00 if the timezone is GMT? | 23:31 | |
| Z is one of the standard ways to indicate "timezone offset of 0" | |||
| Xliff | guifa: No. I want a way to create a DateTime value with .new that has the local timezone. | 23:40 | |
| So DateTime.new(1) == 1/1/70 00:01 | 23:41 | ||
| That's GMT | |||
| Try and get that value with TZ = -04:00 | |||
| guifa | Ah okay. | ||
| I'd probably use | 23:43 | ||
| m: say DateTime.new: 1, :timezone($*TZ) | |||
| camelia | 1970-01-01T02:00:01+02:00 | ||
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| melezhik | . | 23:44 | |
| guifa | by definition Raku uses the variable $*TZ, so unless you've overridden it in some way, it's gonna line up with your timezone | ||
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