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Set by lizmat on 6 September 2022.
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librasteve lizmat: great post on assuming - fwiw I have been wrestling with assuming and have had to avoid using too much since it can be unreliable in an unpredictable way in my medium sized code base (well guess I am including all of Cro, all of Red etc in my builds) - the insight into the old implementation goes a long way to explaining this unreliability ! roll on RakuAST 09:29
lizmat thanks! good to hear! 09:30
I haven't looked at the Cro code yet, but jnthn mentioned Cro as one of the places RakuAST could be used
librasteve yes - my bet is that he was thinking of speeding up github.com/croservices/cro-webapp/...p/Template 09:31
dakkar and replacing the route compiler 09:32
currently it builds a grammar via strings
librasteve (which some folks have mentioned is quite slow in the dev cycle since cro templates are all (p)recompiled on server start)
dakkar github.com/croservices/cro-http/bl...er.rakumod is where most of the non-template code generation happens 09:36
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librasteve dakkar: interesting (but rather over my head what is going on) 09:42
SmokeMachine is anyone able to install Red on 2025.02? It's breaking to me... :( 09:45
did we have any change on reduce? I'm seeing errors in 2 different places that in common they have a `reduce` call... 09:49
lizmat yes, we did have a change there: the magic for 1-argument handling is gone
if you have a custom op, you will need to make sure it handles 0 and 1 argument calls yourself 09:50
SmokeMachine that will probably explain the error: Too few positionals passed; expected 2 arguments but got 1
lizmat right
SmokeMachine how did it was not gotten on release? 09:51
lizmat I don't know, maybe Red is an always fail on Blin ?
SmokeMachine I don't think it does... 09:52
if it did, it would be good to know...
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SmokeMachine fixed... (I use too much) 10:22
fixed... (I use too reduce much)
dakkar are you planning to… reduce your use of it? 😁 10:23
SmokeMachine :)
lizmat: I'm not sure if it would help anything, but it seems there is a RakuAST class missing... www.irccloud.com/pastebin/rFeOMip4/ 10:24
I mean, a type object being used while expecting an object... if I run that without the RAKUDO_RAKUAST, that works... 10:26
lizmat and after you've run it without, can you run it again with RAKUDO_RAKUAST=1 ?
SmokeMachine lizmat: it gives me the same error: www.irccloud.com/pastebin/90zXTGhR/ 10:29
El_Che hallo
SmokeMachine (I have ctrl + c the tests... it had already passed the error point...) 10:30
lizmat SmokeMachine: then I suggest not running "mi6 test" with RAKUDO_RAKUAST=1 at this time
SmokeMachine Yes, I’m not… I run that from time to time to see when I can start using RakuAST on red… :) 10:31
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SmokeMachine (I should find some time to try to help RakuAST some how…) 10:32
lizmat you can use RakuAST on Red now
you don'e need RAKUDO_RAKUAST=1 for that 10:33
*don't
SmokeMachine no??? I want to change code using RakuAST... don't I need RAKUDO_RAKUAST=1 for that? 10:34
lizmat you don't
you need either "use v6.e.PREVIEW" or "use experimental :rakuast" for that
RAKUDO_RAKUAST=1 makes your code be parsed by the new Raku grammar, which uses RakuAST to build the QAST 10:35
SmokeMachine yes, and I need it to modify the code at CHECK time, no? 10:36
lizmat aaah.. ok, you want to do it like that...
I guess yes, you do need RAKUDO_RAKUAST=1 :-) 10:37
SmokeMachine I want to use RakuAST to replace map/grep/first blocks with RedAST...
lizmat so someone gives you a Callable, and you want to mess with that 10:38
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SmokeMachine I mean `.map({ BLOCK })` -> `.map({ BLOCK }, :red-ast(Red::AST::Translator.translate(BLOCK)))` 10:38
then Red's map will handle that named par while usual map will ignore it... 10:40
lizmat well, maybe you could start with allowing a *string* to be specified in the map, and then use .AST on that string to get a RakuAST tree, and the start modifying that ?
SmokeMachine I want to Red looks from plain raku... but yes... I think that may be a good first step... 10:42
lizmat it'll allow you to develop the logic you could re-use later
SmokeMachine at least the translation method would be the same... 10:43
even the map handling :red-ast named par can already be written... I can do `multi method map(Str $code) { my $ast = $code.AST; self.map: $code.EVAL, :red-ast(Red::AST::Translator.translate: $ast) )` 10:46
lizmat that feels like a plan :-)
I'm pretty sure you will find bugs... but that would be good, as then we can fix them :) 10:47
SmokeMachine lizmat: thanks for that idea!! I'll start it as soon as possible!
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SmokeMachine lizmat: I just added www.irccloud.com/pastebin/LU3wesU5/ 11:05
lizmat that doesn't tell me much :-( 11:07
SmokeMachine sorry, I pressed enter before finishing... I was trying to say I added `use v6.e.PREVIEW;` on the first line of Red::ResultSeq (that is where I implement .map) and tried running the tests...
I'll try it again after work...
lizmat ah, hmmm and with "use experimental :rakuast" ?
ok
SmokeMachine with `use experimental :rakuast` it at least started running the tests... I'll let you know if it finishes... 11:10
lizmat: it did pass 11:14
lizmat nice :-) 11:15
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SmokeMachine I'll start playing with that after I finish my 2nd post about Sourcing... thank you lizmat 11:17
lizmat you're welcome :-)
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melezhik . 12:01
how can I make :gloabl modifier part of regexp?
m: say "hello world" ~~ /:g (\S+)/
camelia ===SORRY!=== Error while compiling <tmp>
Unrecognized regex modifier :g
at <tmp>:1
------> say "hello world" ~~ /:<HERE>g (\S+)/
expecting any of:
term
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librasteve m: say "hello world" ~~ m:g/(\S+)/ 12:25
evalable6 (｢hello｣
0 => ｢hello｣ ｢world｣
0 => ｢world｣)
Raku eval (｢hello｣ 0 => ｢hello｣ ｢world｣ 0 => ｢world｣)
librasteve just need that m first (for match) to avoid leading colon 12:26
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[Coke] off topic: any drone enthusiasts on channel? 13:52
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tbrowder m: say "hello world" ~~ /(\S+)/ 14:18
camelia ｢hello｣
0 => ｢hello｣
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antononcube @Coke I recently discussed analogies between drones and Chuck Norris. (Via Raku-made plots.) 19:05
I was more of a "drone enthusiast" in 2023. 19:06
[Coke] Just picked up one and have a few local flights as unlisted videos on youtube. wondering if anyone had any pointers 19:08
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lizmat clickbaits rakudoweekly.blog/2025/03/10/2025-...-cfp-week/ 20:04
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tbrowder ref drones: check FAA reqs 20:38
[Coke] If I trust the drone manufacturer, I'm fine at my location.
tbrowder they are very cool for watching railroads 20:39
and their operations
one of my fav utube channels is "distant signal" and Danny Harmon is a masterful drone user 20:40
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Xliff \o 20:41
my $b = Buf[uint16].new(1, 2, 3); Buf[uint8].new($b).gist.say
evalable6 Buf[uint8]:0x<01 02 03>
tbrowder o/
Xliff Hmmm....
Is there any way to properly convert a Buf[uint16] to a Buf[uint8] so that the above output is: «Buf[uint8]:0x<00 01 00 02 00 03>␤» 20:42
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Xliff Well, this is close: 21:28
m: y $b = Buf[uint16].new(1, 2, 1 +< 10 + 0xa0).Array; $b.say; my $c = $b.map({ my $a = Buf[uint8].new; $a.write-uint16(0, $_); |$a.Array }); $c.say
camelia ===SORRY!=== Error while compiling <tmp>
Unsupported use of y///. In Raku please use: tr///.
at <tmp>:1
------> y<HERE> $b = Buf[uint16].new(1, 2, 1 +< 10 + 0x
Xliff m: my $b = Buf[uint16].new(1, 2, 1 +< 10 + 0xa0).Array; $b.say; my $c = $b.map({ my $a = Buf[uint8].new; $a.write-uint16(0, $_); |$a.Array }); $c.say
camelia [1 2 1184]
(1 0 2 0 160 4)
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