# File lib/map.rb, line 73
    def define_conversion_method!(method)
      method = method.to_s.strip
      raise ArguementError if method.empty?
      module_eval("unless public_method_defined?(\#{ method.inspect })\ndef \#{ method }\nself\nend\ntrue\nelse\nfalse\nend\n", __FILE__, __LINE__)
    end