Ruby on Rails

Frederick,

I seek to create Ruby modules that use ActiveModel::Validations. The
examples I have seen of ActiveModel::Validations all involve including
that module in classes. This is not what I want. I want to involve the
use of ActiveModel::Validations in a module, which I may then choose to
implement as a ruby class (even if after a few more descents via other
modules.)

In short, how do I do get to do the following (or its equivalent) in a
module?

validates :some_attribute, :numericality_of=>{:greater_than => 0,
:allow_blank=>true}

G

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