Re: Short list with things to finish for D2

[KennyTM~]

On Nov 19, 09 07:48, bearophile wrote:

Andrei Alexandrescu:

* Encode operators by compile-time strings. For example, instead of the
plethora of opAdd, opMul, ..., we'd have this:

T opBinary(string op)(T rhs) { ... }

The string is "+", "*", etc.

Can you show an example of defining an operator, like a minus, with that?

In my set data structure I'd like to define "<=" among two sets as "is subset". Can 
that design allow me to overload just<= and>= ? (opCmp is not enough here).

Bye,
bearophile

float opCmp(X other) {
  if (this cannot compare with other)
    return float.nan;
  else
    ...
}