def p_postfix_expr(self, p):
if len(p) == <NUM_LIT:2>:<EOL><INDENT>p[<NUM_LIT:0>] = p[<NUM_LIT:1>]<EOL><DEDENT>else:<EOL><INDENT>p[<NUM_LIT:0>] = self.asttypes.PostfixExpr(op=p[<NUM_LIT:2>], value=p[<NUM_LIT:1>])<EOL>p[<NUM_LIT:0>].setpos(p, <NUM_LIT:2>)<EOL><DEDENT>
postfix_expr : left_hand_side_expr
                        | left_hand_side_expr PLUSPLUS
                        | left_hand_side_expr MINUSMINUS