How to remove all items in an associative array?

[Matti Niemenmaa]

Gregor Richards wrote:
> Unless the performance is a huge hit, it would probably be wiser to use
> code that isn't dependent on the current implementation of AAs:
> 
> foreach (k; aa.keys.dup) {
>     aa.remove(k);
> }

I believe aa.keys is a duplicate already, meaning there is no need for the .dup.

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