From: Rick DeNatale <rick.denatale@...>
Date: 2007-12-25T06:18:19+09:00
Subject: Re: Monkey-patching with modules

On Dec 24, 2007 4:08 PM, Mike Holly <mikejholly@gmail.com> wrote:
> module Foo
>     class String
>         def hi
>             puts 'hi'
>         end
>     end
> end
>
> include Foo
>
> x = "hello"
> x.hi
>
> Why does this not work?

A module is a namespace, so constant names defined inside a module are
nested within the module.

You've defined a new class named Foo::String which is not the same
class as String (a.k.a. ::String)


-- 
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denhaven2.com/