From: Jason Roelofs <jameskilton@...>
Date: 2008-01-06T00:15:07+09:00
Subject: Re: Fixnums can have instance variables? Cool.

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Welcome to Monkey Patching! This is how ActiveResource gives you things
like:

4.days.ago

"some string".underscore

and the like.

It's one of the many things that makes Ruby code very fun to write.

Jason

On Jan 5, 2008 10:07 AM, Barca Junior <wuzhengchun@gmail.com> wrote:

>
> >
> > class Fixnum
> >    attr_accessor :note
> > end
> >
> > 13.note = "a baker's dozen"
> > 25.note = "5 squared"
> >
> > notes = [13, 21, 25].collect { |x| x.note }    # ["a baker's dozen",
> > nil, "5 squared"]
> >
>
>
> It's really cool.
> --
> Posted via http://www.ruby-forum.com/.
>
>

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