Throttle for IIRC

throttle.rb

module IIRC
    module Throttle
        # ratio in seconds / messages
        def throttle_ratio
            1/1r
        end

        def time
            @time ||= Time.now
        end

        module Verbs
            def msg(target, msg)
                sleep(throttle_ratio) while (Time.now - time) <= throttle_ratio
                super
                @time = Time.now
            end
            alias :say :msg
        end

        include Verbs
    end
end