def get_all_methods
      methods = []
      each_type do | type |
        type.each_method do |meth|
          methods << meth
        end
      end
      methods
    end
def get_all_methods
      methods = []
      each_type do | type |
        type.each_method do |meth|
          methods << meth
        end
      end
      methods
    end
all methods form all types