On Thu, May 20, 1999 at 03:34:27PM +0200, Sven LUTHER wrote:
> Something like 
>         Objective Caml version 2.02
> # let id x = x ;;
> val id : 'a -> 'a = <fun>
> -----------------------------------
> Not sure, but i think we are not talking with the same definition of
> the same word ?

C++ isn't a pure object-oriented language -- not everything is an
object by any means. Nor are all classes subclasses of a single "Object"
superclass, which is what you're making use of above.

But yes, you can write an "id()" function which behaves differently depending
on what is passed to it. Either:

        class foo { virtual int id() { return 1; } };
        class bar : foo { virtual int id() { return 2; } };

        foo f;
        bar b;

        cout << f.id();    // 1
        cout << b.id();    // 2

        // So yours would be:
        int id2(foo x) { return x.id(); }

or:

        int id(int i) { return 1; };
        int id(double d) { return 2; };

        cout << id(1);      // 1
        cout << id(1.0);    // 2

Cheers,
aj, who isn't sure this is particularly relevant to debian-devel anymore.

-- 
Anthony Towns <[EMAIL PROTECTED]> <http://azure.humbug.org.au/~aj/>
I don't speak for anyone save myself. PGP encrypted mail preferred.

       ``There's nothing worse than people with a clue.
             They're always disagreeing with you.'' 
                                 -- Andrew Over

Reply via email to