From: hubert@... (Hubert Hung-Hsien Chang)
Date: 2002-05-05T06:31:48+09:00
Subject: Re: Adding new method to Built-In class

David Alan Black <dblack@candle.superlink.net> wrote in message news:<Pine.LNX.4.30.0205032346330.7490-100000@candle.superlink.net>...

> 
> What you need to do is re-open the class String, and define a new
> instance method:
> 
>   class String
>     def new_method
>       puts "give me a method!"
>     end
>   end
> 
>   "abcde".new_method  # =>  give me a method!
> 

Well..I have tried this before and it didn't give me anything
unless of course you are runnig  something else.

> Doing it that way will cause every string object to respond to that
> method.  With what you originally did, you actually added a class
> method to String:
> 
>     def String.new_method
>       puts "give me a method!"
>     end
> 
>     String.new_method  # =>  give me a method!
> 

I know.


Hubert

> .. so in that case, the object that responds to new_method is the
> class String itself, rather than individual strings.
> 
> 
> David