# File lib/parser/ruby25.rb, line 5024
def _reduce_331(val, _values, result)
                      result = @builder.def_singleton(val[0], val[1], val[2],
                                  val[4], val[6], val[7], val[8])

                      @lexer.pop_cmdarg
                      @static_env.unextend
                      @def_level -= 1
                    
    result
end