[Issue 20617] There is no support for copying hashmaps in Druntime / Phobos

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20617

--- Comment #2 from Andrej Mitrovic <andrej.mitrovich at gmail.com> ---
Never mind, I found a better way:

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import std.array;

void main()
{
    int[int] map1 = [1:1, 2:2, 3:3];
    int[int] map2 = assocArray(map1.byPair());
}
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Perhaps this should be added to the docs if it's not already there.

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