Hi,

On Wed, Jul 21, 2010 at 3:55 AM, Nobuyoshi Nakada <nobu / ruby-lang.org> wrote:
> And, it's arguable about inexact numbers, I guess.

Indeed, doesn't make much sense for Floats. Moreover, what's the
definition for Rationals? for Complex?

It probably makes sense to define these methods for Integer, like
Integer#divisible? and/or Integer#multiple?