From: Robert Klemme <bob.news@...>
Date: 2004-09-17T20:44:51+09:00
Subject: Re: Automatic class conversion / function overloading


"Tore Halvorsen" <torehalv@jaguar.stud.ntnu.no> schrieb im Newsbeitrag
news:slrnckldim.k7o.torehalv@jaguar.stud.ntnu.no...
> Hi! Rather new to ruby, and I'm not quite sure where to look for the
> information I want.
>
> In C++ it's possible to have function overloading... ie
>
> void foo(int a) and void foo(rational a)
>
> Do I have to resort to
>
> def foo(a)
>    case a
>       when Fixnum ...
>       when Rational ...
>    end
> end
>
> or is there any other way to do this?
>
> ...or perhaps a way to do the functional equivalent of C++s
>
> class rational
> {
>    rational(int a) { ... } // conversion constructor
> }
>
> void foo(rational a) should now work for foo(3)

You can't do that directly.  However have a look at
http://www.rubygarden.org/ruby?MethodOverloading

Regards

    robert