From: "David A. Black" <dblack@...>
Date: 2010-04-18T03:26:34+09:00
Subject: Re: Undifined local variable or method error

Hi --

On Sun, 18 Apr 2010, Simbolla Simbolla wrote:

> Hi all,
>
> Below is my code
>
> h={}
>  arr=[]
> def gethash
>  h[1]=0
>  return h
> end
> arr[0]=gethash
> puts arr[0].each {|k,v| puts "key #{k} value #{v}"}
>
> For the above i get error saying "Undifined local variable or method 'h'
> for main:Object(NameError)"
>
> may i know reason for this error?

The def keyword starts a new local scope. The same happens with class:

   a = 1
   class C
     puts a      # new local scope, so a is not defined
   end


David

-- 
David A. Black, Senior Developer, Cyrus Innovation Inc.

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