[Issue 12752] std.algorithm.isPermutation

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=12752

--- Comment #3 from bearophile_hugs at eml.cc ---
(In reply to github-bugzilla from comment #2)
> Commits pushed to master at https://github.com/D-Programming-Language/phobos

Lot of work for one algorithm.

The range returned by assumePermutationOf(x, y) is sometimes usueful.

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