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Add link to Ruby docs and apply markdown formatting

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jbranchaud
2026-07-21 11:47:31 -05:00
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ruby/use-slice-to-reorder-hash-keys.md
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@@ -4,7 +4,9 @@ I recently ran into some code that was building up a hash keyed by _category_.
It was a series of chained method calls building and transforming to produce the It was a series of chained method calls building and transforming to produce the
hash. It then ended with `.slice(*CATEGORIES)`. hash. It then ended with `.slice(*CATEGORIES)`.
That `#slice` call at the end was doing two things: That
[`Hash#slice`](https://docs.ruby-lang.org/en/master/Hash.html#method-i-slice)
call at the end was doing two things:
1. It was removing any key-value pairs not in `CATEGORIES` 1. It was removing any key-value pairs not in `CATEGORIES`
2. It was reordering the hash keys based on the order they appeared in `CATEGORIES` 2. It was reordering the hash keys based on the order they appeared in `CATEGORIES`