Safer casts

[Janice Caron]

2008/5/13 Dee Girl <deegirl at noreply.com>:
>  int array[] = [1, 2, 3];
>  int x = 5;
>  sort!((int a, int b) { return a + x < b + x; })(array);
>
>  Two questions not one ^_^
>
>  1. Is the code inside sort!() as powerful as delegate?

The code inside sort!() /is/ a delegate. It's an anonymous delegate,
but its implementation is exactly the same as a delegate with a name.
It's equivalent to

    int foo (int a, int b) { return a + x < b + x; };
    sort!(foo)(array);