From: "me@..." <me@...>
Date: 2008-01-29T20:34:56+09:00
Subject: Re: Adding instance variables using module include

FWIW, this is the best I could do:

module VisitMemory
    def mark_visited(method)
        methods_visited << method.my_declaration_signature
    end

    def already_visited?(method)
        methods_visited.include?(method.my_declaration_signature)
    end
    def methods_visited
        @methods_visited ||= []
    end
end

module Guff
    module JavaSource
        class Class
            include VisitMemory
        end
    end
end