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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 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 8 June 2022. |
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| MadcapJake | m: class A { has $.name; has &.block; submethod BUILD(:$!name, :&!block) {} }; my %as = alpha => A.new :name<alpha> :block(->{}), beta => A.new :name<beta> :block(->{}); my Map $m := Map.new(%as.values>>.name Z %as.values>>.block); $m.WHAT.say; $m<alpha>.say; $m<alpha> = 'foo'; $m<alpha>.say; | 02:55 | |
| Voldenet | m: class A { has $.name; has &.block; submethod BUILD(:$!name, :&!block) {} }; my %as = alpha => A.new :name<alpha> :block(->{}), beta => A.new :name<beta> :block(->{}); my Map $m := Map.new(%as.values>>.name Z %as.values>>.block); $m.WHAT.say; $m<alpha>.say; $m<alpha> = 'foo'; $m<alpha>.say; | 02:56 | |
| camelia | (Map) -> { #`(Block|4932231743384) ... } foo |
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| sienet_ja_LSD[m] | why is it that JSON parse fails in every third run? | 15:20 | |
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| lizmat | sienet_ja_LSD[m]: do you have a golf for that ? | 15:21 | |
| sienet_ja_LSD[m] | I run the script and it works fine like 2 out of 3 times, and then one in 3 it's Type check failed in binding to parameter '%case'; expected Associative but got Any (Any) | ||
| golf? | 15:22 | ||
| lizmat | the smallest piece of code that shows the problem | ||
| sienet_ja_LSD[m] | I can upload | ||
| lizmat | please | 15:24 | |
| sienet_ja_LSD[m] | ix.io/40WL | 15:26 | |
| ^ | 15:27 | ||
| lizmat | looks like the JSON is really at raw.githubusercontent.com/exercism...-data.json :-) | 15:29 | |
| sienet_ja_LSD[m] | yes that one but I downloaded it and renamed it bob.json | ||
| anyway it fails | 15:30 | ||
| it works but fails, unpredictably | |||
| lizmat | yeah, confirmed it fails | ||
| feels like some race condition deep in the internals :-( | |||
| sienet_ja_LSD[m] | hmm ok | 15:31 | |
| lizmat | could you make a Rakudo issue for that? | 15:32 | |
| sienet_ja_LSD[m] | yeah sure | ||
| lizmat | thanks! | ||
| ah... I think I have a hunch it's not a system issue after all | 15:35 | ||
| sienet_ja_LSD[m] | it's fixable? | 15:36 | |
| lizmat | well... where did you derive the [1] in .List[1] from ? | 15:37 | |
| sienet_ja_LSD[m] | I just wanted the second entry, there's only two. [0] is description and [1] an array of cases | 15:38 | |
| lizmat | ah, but the outer structure in the JSON is a hash, and the order of keys in a hash is indeterminate | ||
| sienet_ja_LSD[m] | hmm figures | 15:39 | |
| yeah true :D | |||
| by removing the list method it seems to work | 15:40 | ||
| thanks | 15:41 | ||
| lizmat | as a one liner: | 15:43 | |
| say .<description> for from-json("bob.json".IO.slurp)<cases>.list; | |||
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| gfldex | is there any way to protect a class from being exported? | 18:33 | |
| Found one. Sadly, I already started with the blogpost and I have no idea how to explain what I'm doing. :) | 18:40 | ||
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| gfldex | lolibloggedalittle: gfldex.wordpress.com/2022/06/26/sinking-errors/ | 19:16 | |
| uzl[m] | m: say min [1, 2, 3], {1/$} | 19:25 | |
| camelia | -> ;; $_? is raw = OUTER::<$_> { #`(Block|2800384389576) ... } | ||
| uzl[m] | m: say min [1, 2, 3], by => {1/$} | ||
| camelia | Use of uninitialized value of type Any in numeric context 1 in block at <tmp> line 1 Use of uninitialized value of type Any in numeric context in block at <tmp> line 1 Use of uninitialized value of type Any in numeric context in bl… |
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| uzl[m] | m: say min 1, 2, 3, by => {1/$} | 19:27 | |
| camelia | Use of uninitialized value of type Any in numeric context 1 in block at <tmp> line 1 Use of uninitialized value of type Any in numeric context in block at <tmp> line 1 Use of uninitialized value of type Any in numeric context in bl… |
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| uzl[m] | m: say min(1,7,3,:by( { 1/$_ } )); | ||
| camelia | 7 | ||
| uzl[m] | m: say (1, 7, 3).min({1/$_}) | 19:28 | |
| camelia | 7 | ||
| uzl[m] | I was just going to ask why the asymmetry between the function and method calls for `min` and `max` when passing a callable but I now realize it makes sense. If you passed the callable as a positional parameter in the function call, then it'd be considered just another value 😅 | 19:31 | |
| m: say min 1, 2, 3, by => {1/$} | |||
| camelia | Use of uninitialized value of type Any in numeric context 1 in block at <tmp> line 1 Use of uninitialized value of type Any in numeric context in block at <tmp> line 1 Use of uninitialized value of type Any in numeric context in bl… |
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| uzl[m] | m: say min 1, 2, 3, :by({1/$}) | 19:32 | |
| camelia | Use of uninitialized value of type Any in numeric context 1 in block at <tmp> line 1 Use of uninitialized value of type Any in numeric context in block at <tmp> line 1 Use of uninitialized value of type Any in numeric context in bl… |
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| uzl[m] | m: say min(1, 2, 3, :by({1/$})) | ||
| camelia | Use of uninitialized value of type Any in numeric context 1 in block at <tmp> line 1 Use of uninitialized value of type Any in numeric context in block at <tmp> line 1 Use of uninitialized value of type Any in numeric context in bl… |
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| uzl[m] | m: say min 1, 2, 3, :by({1/$_}) | 19:33 | |
| camelia | 3 | ||
| uzl[m] | m: say min 1, 2, 3, by => {1/$_} | ||
| camelia | 3 | ||
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| Geth | modules.raku.org: zoffixznet++ created pull request #144: s/perl6/raku/ in site tips |
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| SmokeMachine | I got it right? Is Zoffix back?! | 23:14 | |
| uzl[m] | It seems like it 👍️ | 23:28 | |
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| SmokeMachine | \o/ | 23:33 | |
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