# File lib/parser/ruby19.rb, line 5517
def _reduce_448(val, _values, result)
                      num = @builder.integer(val[1])
                      if @builder.respond_to? :negate
                        # AST builder interface compatibility
                        result = @builder.negate(val[0], num)
                      else
                        result = @builder.unary_num(val[0], num)
                      end
                    
    result
end