Using array.sort
Heinz
billgates at microsoft.com
Wed Jan 24 11:59:50 PST 2007
torhu Wrote:
> Heinz wrote:
> > What does this sort property do? how can i use it? how do i implement opCmp. thanks in advance
>
> .sort sorts an array, using some default sort order. If you want to
> change the order, you implement opCmp.
>
>
> opCmp has got these signatures, think. It doesn't seem to be documented
> much:
>
> class C {
> // the argument is of type Object, not C
> int opCmp(Object other);
> }
>
> or:
>
> struct S {
> int opCmp(S other);
> }
>
>
> opCmp() has to return less than zero if it's own object is smaller, more
> than zero if 'other' is smaller, and zero if they are equal.
>
> You can't define opCmp for any other types, if you want to change the
> sort order of ints, you have to write a separate sort function.
So, lets assume we have the following class:
class myclass
{
char[] cs;
}
and then we have a dinamic array of myclass, can we sort this array by the cs property?
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