From: Joel VanderWerf <vjoel@...>
Date: 2007-12-25T06:17:15+09:00
Subject: Re: Monkey-patching with modules

Mike Holly wrote:
> module Foo
>     class String

You are defining a new class, Foo::String.

Try this here instead:
       class ::String

The :: means 'look up String in the global scope'.

>         def hi
>             puts 'hi'
>         end
>     end
> end
> 
> include Foo
> 
> x = "hello"
> x.hi
> 
> Why does this not work?
> 
> Thanks.

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407