byte < short < int < real < double?


function std.math2.abs called with argument types:
(short)
matches both:
std.math2.abs(int)
and:
std.math2.abs(real)

<order@d.com> wrote in message news:dbcquo$2stq$1@digitaldaemon.com...
>
> byte < short < int < real < double?
>
>
> function std.math2.abs called with argument types:
> (short)
> matches both:
> std.math2.abs(int)
> and:
> std.math2.abs(real)

The partial ordering follows the same 3 level rule as function overloading:

1) exact match
2) match with implicit conversions
3) no match

There aren't an arbitrarilly large number of levels like C++ has.