class Parser::Ruby33

def _reduce_502(val, _values, result) 

def _reduce_502(val, _values, result)
                      # array patterns that end with comma
                      # like [1, 2,]
                      # must be emitted as `array_pattern_with_tail`
                      item = @builder.match_with_trailing_comma(val[0], val[1])
                      result = [ item ]

    result
end