From: "Erik Bågfors" <erik@...>
Date: 2002-02-07T06:10:45+09:00
Subject: Re: Variable over function

On Wed, 2002-02-06 at 22:01, Dat Nguyen wrote:
> Hello all,
 
> What's the reason behind the following:
 
> aNum = 19
> def aNum
>      return "A free function"
>end
 
>puts aNum                 # => 19
 
>Question: Why can't "def" redefine aNum ?

You have one method named aNum and one variable with the same name. 
When you ask from aNum in the puts statement the varable is used.  If
you try "puts aNum()" ruby will know it's a method and call that.

If there is no variable named aNum ruby will use the method even without
the "()"

/Erik
 

-- 
Erik B�gfors               | erik@bagfors.nu
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