From: Matt Armstrong <matt+dated+1007513886.2f1102@...>
Date: 2001-11-30T09:58:17+09:00
Subject: [ruby-talk:27008] Re: Why use symbols (was: Can this be factored?)

"Mark Hahn" <mchahn@facelink.com> writes:

> I've never processed symbols before.  If I have an object and a symbol of an
> instance variable, do I have to use eval to access the value, or is there a
> faster way?

Object#send

> def printSide obj, side
> 	puts eval("obj."+side.id2name)
> end
> printSide(node,:left)

Try:

    def printSide(obj, side)
        puts obs.send(side)
    end


-- 
matt