From: "David A. Black" <dblack@...>
Date: 2009-01-10T23:46:23+09:00
Subject: Re: How Ruby

Hi --

On Sat, 10 Jan 2009, Stuart Ellis wrote:

>
> On 9 Jan 2009, at 15:22, LAMBEAU Bernard wrote:
>
>> Ruby allows you to install methods on objects (called singleton
>> methods because installed on individual objects instead of being
>> shared by all instances of a class):
>> 
>> o = Object.new
>> def o.sayhello
>>  puts "hello"
>> end
>> 
>> o.sayhello    # prints hello to the console
>> 
>> blambeau
>> 
>
> Now I see - thanks.

Also, you can use modules to shape the behavior of individual objects:

   module Vocal
     def sayhello
       puts "Hello"
     end
   end

   o = Object.new
   o.extend(Vocal)
   o.sayhello


David

-- 
David A. Black / Ruby Power and Light, LLC
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