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This channel is intended for people just starting with the Raku Programming Language (raku.org). Logs are available at irclogs.raku.org/raku-beginner/live.html Set by lizmat on 8 June 2022. |
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| Dr.Doom | (([X]((s..nd).grep(*.is-prime) xx k)).map({[*] $_}).grep(s <= * <= nd)) ==> {$_.grep(* > 15)}(); | 04:44 | |
| this last grep isnt working for me any ideas why ? | |||
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| rcmlz | some of the modules on raku.land have a download counter badge, some do not. What is required to get such a counter? For instance that one has a download counter, raku.land/zef:lizmat/AccountableBagHash/badges and that one does not raku.land/zef:thundergnat/Prime::Factor/badges. Thank you for your hints. | 19:21 | |
| lizmat | reposted on #raku.land | 19:44 | |
| .vushu | Hi I'm doing some bindings with native call for a c-library. The binding expect a callback function which get triggered in c-land. Everything compiles fine, but in runtime I get this following error: MoarVM panic: native callback ran on thread (some-thread-id) unknown to MoarVM Is there a workaround for this? | 20:20 | |
| lizmat | I seem to recall GTK::Simple module needing that, it had a dedicated threadpoolscheduler to allow GTK to run on its own threads | 20:24 | |
| .vushu | somewhere here? github.com/finanalyst/GTK-Simple/b...er.rakumod | 20:27 | |
| Im not sure how it works :d | |||
| lizmat doesn't know either off-hand | 20:29 | ||
| tonyo | .vushu i think that happens if the function signature doesn't quite match, there's some examples in the ecosystem. i'll see if i can find one | 20:44 | |
| .vushu: github.com/tony-o/perl6-libyaml/bl...ibYAML.pm6 | 20:45 | ||
| .vushu | Thanks I will try to take a look 🙂 | 20:46 | |
| tonyo | eg int32 v int64 or uint/int mismatches | 21:04 | |
| etc | |||
| .vushu | Here is what I did this is the c function I want to bind: typedef void (*AudioCallback)(void *bufferData, unsigned int frames); RLAPI void SetAudioStreamCallback(AudioStream stream, AudioCallback callback); translating this to raku : our sub set-audio-stream-callback (AudioStream $stream, &audio-callback (Pointer[void] $bufferData, int32 $frames)) is export is native(LIBRAYLIB) is | 21:31 | |
| symbol('SetAudioStreamCallback_pointerized'){ * } I pointerized the function since it takes a value type: void SetAudioStreamCallback_pointerized(AudioStream* stream, AudioCallback callback){ SetAudioStreamCallback(*stream, callback); } | |||
| when calling I do this: sub audio-callback(Pointer $buf, int32 $frames) { say "Show me something"; } # my $audio set-audio-stream-callback($audio-stream, &audio-callback); | 21:32 | ||
| which gives me the error | |||
| Im not sure what I did wrong with the signatures. | 21:34 | ||
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