On Tuesday, 7 January 2014 at 20:38:11 UTC, Craig Dillabaugh wrote:
Saves a few lines of code, and looks cooler, it seems that the trivial foreach loop version is very easy:

string[] array;

foreach (key, value; aa) {
        array ~= key;
        array ~= value;
}

Assuming the return value of `byKey` has a length property, using std.array.array has the benefit of automatically allocating just once for the result, while your proposed alternative will grow on demand, causing several allocations that depend on the number of pairs in `aa`.

Of course, Teoh's `aaToArray` can trivially do this too, but the naive loop straight in user code is just that - naive.

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