bearophile wrote:
Sean Kelly:

The built-in sort uses an internal stack rather than recursion, which makes its 
performance on a best-case dataset hard to beat.<

The built-in sort is snail slow, and its stack overflows if your array isn't 
small:

void main() {
    auto a = new uint[0x8F_FFFF];
    a.sort;
}

So the current built-in sort is bad, and it must be fixed or removed.

That pretty much settles it. Seeing sort's fixed stack, I had this feeling for a while, but only now I saw the proof :o).

Andrei

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