Adding head, skip, tail as subroutines #328
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lizmat
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Jun 28, 2022
As requested in Raku/problem-solving#328 There is one biggish issue with this, as the sub "skip" clashes with the "skip" sub as exported by Test. Fixed this by giving the version of "skip" from Test its own proto. Since we added 3 more subs to the core, these tests all needed to be adapted as well.
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@Smokemachine Is this related work of Reds respective operators? Do they match? |
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I've also created a module to allow for this functionality in older Rakudo versions: https://raku.land/zef:lizmat/head-skip-tail (aka https://github.com/lizmat/head-skip-tail) |
lizmat
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Jul 7, 2022
As requested in Raku/problem-solving#328 There is one biggish issue with this, as the sub "skip" clashes with the "skip" sub as exported by Test. Fixed this by giving the version of "skip" from Test its own proto. Since we added 3 more subs to the core, these tests all needed to be adapted as well.
lizmat
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Jul 7, 2022
rakudo/rakudo@af31b1df89 made this change.
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This has been merged, so closing this issue. |
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Hello,
this has been mentioned on chat a couple of days ago.
It would be nice to have head, skip and tail as subroutines with the iterable as their last parameter, similarly to grep and map.
This would both increase consistency (why shouldn't they work, if grep and map do work?) and the usefulness off the feed operators, since this would allow us to write
1, 3 ... * ==> grep &some-condition ==> head 20
and similar code.
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