def p_field_list_create(self, p):
if p[<NUM_LIT:1>] is None:<EOL><INDENT>p[<NUM_LIT:0>] = []<EOL><DEDENT>else:<EOL><INDENT>p[<NUM_LIT:0>] = [p[<NUM_LIT:1>]]<EOL><DEDENT>
field_list : field
                      | empty