lib/puppet/util/metaid.rb


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class Object
    # The hidden singleton lurks behind everyone
    def singleton_class; class << self; self; end; end
    def meta_eval(&blk); singleton_class.instance_eval(&blk); end

    # Adds methods to a singleton_class
    def meta_def(name, &blk)
        meta_eval { define_method name, &blk }
    end

    # Remove singleton_class methods.
    def meta_undef(name, &blk)
        meta_eval { remove_method name }
    end

    # Defines an instance method within a class
    def class_def(name, &blk)
        class_eval { define_method name, &blk }
    end
end