File: metaid.rb

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ruby-metaid 1.0-8.1
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# Metaid == a few simple metaclass helper
# (See http://whytheluckystiff.net/articles/seeingMetaclassesClearly.html.)
class Object
    # The hidden singleton lurks behind everyone
    def metaclass; class << self; self; end; end
    def meta_eval &blk; metaclass.instance_eval &blk; end

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

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