for development purposes. is there are correct way to somehow (partially or complete) override druntime...

...had never considered. If you need to swap out the implementation details later, you haven...

...std.algorithm : swap;
		if (x0>x1)
			swap(x0,x1);
		if (y0>y1)
			swap(y0,y1...

...biriki.assumeUnique;/*/

  import std.algorithm.mutation : swap;
  biriki[0].swap(biriki[1]);//*/

  import std.stdio...

...the same page, where you can simply swap between them whenever you like. If you...

...X = INT(RND(1)*K)+1
800   SWAP CARD(K),CARD(X)
810 NEXT K...

...inline void swap(xlcmplx& a, xlcmplx& b) { swap(a.Re, b.Re); swap(a.Im...

...strreverse(ch_sub2);

        return ch_sub1;

}

/*********************************************/

void swap(T)(ref T x,ref T y...

...the equivalent of these functions:
```D
import std.algorithm: swap;
import std.math: sgn, trunc;
```

...x[start].swap(x[i]);
      x.permut(count, start + 1);
      x[start].swap(x[i...