Suggestion: Operator `in` for slices
nick at geany.org
Sat Jan 1 16:40:02 UTC 2022
On Wednesday, 22 December 2021 at 12:43:26 UTC, Ola Fosheim
> What it is conceptually, depends on how you conceptualize it.
> The most common conceptualization of "in" is as a set operation
> and you cannot represent a set with array indexes.
`in` is defined for RedBlackTree, but it returns bool:
So aside from the complexity argument, `element in arr` could be
defined if it returned bool, not a pointer (in order to be
consistent with AAs not returning a pointer to the *key*). But
due to time complexity it makes more sense to define `index in
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