From: "David A. Black" <dblack@...>
Date: 2005-11-05T01:09:55+09:00
Subject: Re: What about {:a => "a", :b => "b"} argument

Hi --

On Sat, 5 Nov 2005, Nicolas Rassat wrote:

> Hi
>
> I'm doing some gnome/ruby stuff and I wonder how instance method's argument 
> like {:a => "a", :b => "b"} can be used. Such argument are used, for example, 
> in Gnome::CanvasLine.new and seems to set instance variables.
>
> I didn't succeed to use such hash argument. The only way I got is by using 
> {:@a => "a", :@b => "b"} with a code like
>
> Class Foo
>  def set(hash)
>    hash.each {|k,v| self.instance_variable_set(k,v)}
>  end
> end
>
> Can you explain me how {:a => "a", :b => "b"} should be handled?

instance_variable_set("@#{k}",v)


David

-- 
David A. Black
dblack@wobblini.net