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| disbot6 | <_elcaro_> Typo in the link: What happened to Coma? | 00:08 | |
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| korvo | What's the correct way to traverse the Match generated by a grammar fragment like (<first> <second>)+ ? It seems like $/.list is not the right move, $/.map(*<first>.made) doesn't work, and $/.map(*[0]<first>.made) sometimes works and sometimes produces Nil. I can't find any good examples of this pattern arising in example grammars with actions. | 02:26 | |
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| disbot6 | <antononcube> Hmm… I would use .values … | 03:04 | |
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| disbot6 | <simon_sibl> is there a similar method than tap in Ruby for Raku ? basically that allow to do some action with the object while still returning the object unmodified ? | 05:58 | |
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| disbot6 | <jubilatious1_98524> @korvo assigning to an Array works. | 07:07 | |
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| disbot6 | <rcmlz> @simon_sibl you mean like applying map to an array, changing the array and return the original array? | 08:50 | |
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| disbot6 | <simon_sibl> I mean like @arr.map({$^obj.dosmth.tap({.say})}).sum for example here the tap would print all the object and return the object, not the returned value from the inside code | 08:56 | |
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| disbot6 | <nahita3882> docs.raku.org/type/Any#routine_snitch | 08:59 | |
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| disbot6 | <simon_sibl> m: (^5).map({$^n+1}).snitch.sum | 09:07 | |
| <Raku eval> Exit code: 1 No such method 'snitch' for invocant of type 'Seq' in block <unit> at main.raku line 1 | |||
| <simon_sibl> m: use v6.e.PREVIEW; (^5).map({$^n+1}).snitch.sum | |||
| <Raku eval> (1 2 3 4 5) | |||
| <simon_sibl> thanks ! | 09:08 | ||
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| disbot6 | <rcmlz> weekly: glot.io/snippets/hdjxplylcc | 10:03 | |
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| disbot6 | <librasteve> @elcaro - this is a wordplay on RIP ;-) [but then if you have to explain a joke...] | 10:11 | |
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| disbot6 | <antononcube> @korvo Yes, using $/.values works. | 13:06 | |
| <antononcube> Here is an example: my grammar MyGrammar { token TOP { (<first> <second>)+ } token first { <alpha>+ } token second { \d+ } } my class MyActions { method TOP($/) { make $/.values.map({ "1:{.<first>} 2:{.<second>}" }).join('; ') } } my $text = 'foo1bar2baz3'; my $match = MyGrammar.parse($text, :actions(MyActions)); say $match.made; # 1:foo 2:1; 1:bar 2:2; 1:baz 2:3 | 13:07 | ||
| korvo | antononcube: Very nice, thanks! | 14:48 | |
| jubilatious1: Like, `my @arr = $/;` ? Yes, that does work, thanks. | 14:49 | ||
| FWIW I refactored that production and generated an AST; manipulating the AST is a zero-magic situation. But I appreciate knowing how to handle it in the future. | 14:50 | ||
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