From: Austin Ziegler <halostatue@...>
Date: 2005-02-22T07:08:44+09:00
Subject: Re: Constructor overloading???

On Tue, 22 Feb 2005 07:01:59 +0900, Panagiotis Karvounis
<pkarvou@gmail.com> wrote:
> I am not trying sth special.I am testing language features that I
> use with Java.
> 
> I was trying to use initialize more than once (think Java-default
> constructor, other with one argument etc...)
> 
> Example with Java:
> 
> public class Rectangle
> {
>   public int a,b;
>   public Rectangle()
>   {
>     a=0;
>     b=0;
>   }
>   public Rectangle(int c,int d)
>   {
>   a=c;
>   b=d;
>   }
> }

> So I tried:
> class Rectangle
>   def initialize
>     @a=0
>     @b=0
>   end
> 
>   def initialize(c,d)
>     @a=c
>     @b=d
>   end
> end

  class Rectangle
    def initialize(a = 0, b = 0)
      @a = a
      @b = b
    end
  end

That will work very well for you.

You can do any number of other things like this that I find work as
well or better than actual argument overloading, mostly because Ruby
is dynamically typed.

-austin
-- 
Austin Ziegler * halostatue@gmail.com
               * Alternate: austin@halostatue.ca