>
> First one allocates new memory block.
> Second one attempts to erase an element in-place. Dupping, however,
> allocates new memory, too.
> The best solution would be as follows:
>
> void eraseNth(ref T[] data, int n) {
> data[n] = data[$-1];
> data.length = data.length - 1;
> }
Yay, thats how I do it :)