[Issue 9119] [AA] Forward range addition to associative arrays.

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=9119

--- Comment #14 from bearophile_hugs at eml.cc ---
(In reply to hsteoh from comment #12)

> So this both satisfies the OP's original request (for .key and .value) and
> later requests for Tuple compatibility.

Yes, of all the possible solutions, I think the current is one of the few
acceptable ones.

One point worth studying is the run-time efficiency of using byPair using the
dmd compiler. I have seen a slowdown compared to using byKeyValue (but I have
not done formal benchamarks).

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