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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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| MasterDuke | kiranraku: you'd probably have to use a subset. e.g., `subset array10 of array where *.elems == 10; sub foo(--> array10[uint32]) {}`. i don't think that will work exactly as written, subsets and parameterization might not mix well, but that's how you'd do something like that in general | 01:14 | |
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| Tirifto | Is there any way to let ‘when’ return control to the enclosing block and *not* ignore the remaining statements? :o | 15:26 | |
| nemokosch | not sure but I think you should ask yourself why you want that | 15:28 | |
| Tirifto | Obviously ‘if’ can work for that, but I’m wondering if I can use a ‘when’ block and only evaluate the code following it under specific conditions. As in: when A, { … (but if B, keep going) } | ||
| lizmat | proceed? docs.raku.org/language/control#pro...nd_succeed | 15:29 | |
| nemokosch | what about proceed? | ||
| Tirifto | Oh, yes! That’s exactly what I had in mind. I just read only the ‘when’ section (the one away from ‘given’), so I missed it. Thank you! x) | 15:32 | |
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| librasteve | m: my uint32 @a[10]; say @a.shape; | 18:49 | |
| Raku eval | (10) | ||
| librasteve | kiranraku: maybe this is what you need ^^^ | ||
| m: my uint32 @a[10]; @a[11]=42; | 18:51 | ||
| Raku eval | Exit code: 1 Index 11 for dimension 1 out of range (must be 0..9) in block <unit> at main.raku line 1 | ||
| deferen | [my uint8 $i = 255; $i = $i +< 1 #raku 254 | 20:55 | |
| my uint64 $i = 2**64 - 1; $i = $i +< 1 #raku Cannot unbox 65 bit wide bigint into native integer in block <unit> at <unknown file> line 1 | |||
| Is that a bug? | |||
| (I would have hoped the second one to be truncated, without using +& (2**64 -1) ) | 20:57 | ||
| librasteve | m: my uint64 $i = 2**64 - 1; say ($i +< 1).WHAT; | 21:09 | |
| Raku eval | (Int) | ||
| deferen | Ho interesting. my uint8 $i = 255; $i = ($i +< 1).WHAT actually returns "Cannot unbox a type object (Int) to an unsigned int." | 21:12 | |
| I guess there does not seem to be a way to remain in native types, they get promoted to Int in any case. | 21:14 | ||
| librasteve | deferen: I think what is going on is that your native type uint64, when left shifted, overflows to an (Int) [which in raku is a BigInt by default] | 21:15 | |
| deferen | but there seems to be discrepancy in the uint8 and uint64 handling (perhaps usage of big num for the latter?) | ||
| librasteve | m: my uint8 $i = 255; say ($i +< 1).WHAT; | 21:16 | |
| Raku eval | (Int) | ||
| deferen | It makes sense, thank you | 21:17 | |
| librasteve | yeah, the docs specify that '+<' returns an Int | 21:18 | |
| deferen | it looks like '~<' might be closer to what I want, but it is not implemented yet (although I feel there should not be a conversion for native types to buf64 in that case) | 21:22 | |
| librasteve | I found this andrewshitov.com/2019/09/09/bit-co...in-perl-6/ | 21:27 | |
| but not really addressing the issue | 21:28 | ||
| I agree that '~<' might be what you want ... sadly it is not implemented yet | 21:29 | ||
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