Piotr Szturmaj Wrote:
> Thank you for your very complete answers :)
>
> I was trying to avoid multiple AA key lookups while appending many
> elements to dynamic array. It's clear now, that with D2 semantics it's
> better to first build an array and then assign it to AA.
What everyone else said, but you can get a pointer with 'in'
void main() {
uint[][uint] aa;
aa[5] = new uint[0];
auto temp = 5 in aa; // copy uint[] reference
*temp ~= 1;
assert(temp.length == 1 && (*temp)[0] == 1); // pass
assert(aa[5].length == 1 && aa[5][0] == 1); // pass
}
