From: Daniel Harple <dharple@...>
Date: 2006-03-30T04:34:46+09:00
Subject: Re: Where is Fixnum#power! coming from?

On Mar 29, 2006, at 9:22 PM, Daniel Berger wrote:

> I realize there's a Fixnum#power! method defined in rational.rb,  
> but it appears that Fixnum has that method available to it whether  
> or not I require rational.rb.  I looked through the Ruby source and  
> didn't see anything.
>
> djberge@~-710>irb
> irb(main):001:0> Fixnum.instance_methods(false).grep(/power/)
> => ["rpower", "power!"]
>
> So, where the heck is it coming from?

$ irb -rubygems
 > 2.power!(3)
=> 8
 > exit
$ irb
 > 2.power!(3)
NoMethodError: undefined method `power!' for 2:Fixnum
         from (irb):1
         from :0

Are you requiring rubygems?

-- Daniel