[Issue 13410] Performance problem with associative array byKey/byValue

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13410

--- Comment #7 from Orvid King <blah38...@gmail.com> ---
It would be nice if this were done as a PR on github, as it would be much 
easier to review.

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