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

[via Digitalmars-d-bugs]

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

--- Comment #36 from Steven Schveighoffer <schveiguy at yahoo.com> ---
I can reproduce the issue, I was accidentally using bearophile's second D
implementation, which does not call byKey/byValue every time through the loop,
but instead uses aa.keys. oops!

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