Hi,

At Sun, 9 Apr 2006 22:19:23 +0900,
solsTiCe d'Hiver wrote in [ruby-talk:188278]:
> here is a session in irb:
> irb(main):001:0> 10.power!(200)
> NoMethodError: undefined method `power!' for 10:Fixnum
>         from (irb):1

power! is for internal use only.  Do not use.

-- 
Nobu Nakada