From: Morton Goldberg <m_goldberg@...>
Date: 2006-07-25T01:40:58+09:00
Subject: Re: Dumb question about assigments

That is very strange code you've posted. I wonder what the original  
author intended? The only way I could get a two-argument writer  
method to run was as follows:

#! /usr/bin/ruby -w

class M

    attr_reader :m

    def initialize
       @m = [0, 0]
    end

    def m=(x, y)
       @m = [x, y]
    end

end

foo = M.new
p foo.m => [0, 0]
foo.send(:m=, 1, 2)
p foo.m => [1, 2]

------- end of code --------

The above proves that a two-argument writer can be called (sort of),  
but it really doesn't cast any light on what it would be used for. I  
hope some wiser head will clarify this.

Regards, Morton

On Jul 24, 2006, at 11:07 AM, Andrew Huh? wrote:

> Hi, I feel kind of dumb for asking this, but I can't honestly find the
> answer anywere.
>
> I came across a attribute defined like:
> class BlahBlah
>    def something=(x,y)
>        #code
>    end
> end
>
> I tried to assign the values as:
> BlahBlah.something=(5,10)
> and
> BlahBlah.something=5,10
> and
> BlahBlah.something(5,10)
>
> but all give me a "1 for 2" argument error (except for the last which
> don't work because something is not a method).
> All examples I came across either used only one argument, or defined
> something as a method (strip the =).
>
> How can I assign values to this tipe of attribute?
> thanks
>
> -- 
> Posted via http://www.ruby-forum.com/.
>