From: Mark Van Holstyn <mvette13@...>
Date: 2006-05-06T15:11:15+09:00
Subject: Re: Overloading math operations

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Use this alias line...

alias :old_plus :+

both of the arguments to alias need to be symbols. also, "old+" wont be a
happy method name.

Mark


On 5/6/06, Frank Hirsch <0ffh@frankhirsch.net> wrote:
>
>
> Hija,
>
> been makin a little "Vector" class by extending Array.
> Now I wanna add Vector support to the native numeric
> data types in ruby. Means: Not only Vector+Numeric
> but also Numeric+Vector should call my + function.
>
> But I have a syntax prolem.. :-(
>
> Example (not working!):
>
> class Fixnum
>   alias old+ + # here i have the syntax problem
>   def +(other)
>     if (other.class<=3DVector)
>       other+self
>     else
>       self.old+(other)
>     end
>   end
> end
>
> Someone please help poor ruby nooby! :-)))
>
> Regards, 0ffh
>
>
>
> --
> Posted via http://www.ruby-forum.com/.
>
>


--
Mark Van Holstyn
mvette13@gmail.com
http://lotswholetime.com

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