You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
22 lines
404 B
22 lines
404 B
8 years ago
|
/*
|
||
6 years ago
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
||
8 years ago
|
*
|
||
7 years ago
|
* This source code is licensed under the MIT license found in the
|
||
|
* LICENSE file in the root directory of this source tree.
|
||
8 years ago
|
*/
|
||
|
#include <utility>
|
||
|
|
||
|
int swap_null_ok() {
|
||
|
int a = 0;
|
||
|
int *p = nullptr, *q = &a;
|
||
|
std::swap(p, q);
|
||
|
return *p;
|
||
|
}
|
||
|
|
||
|
int swap_null_bad() {
|
||
|
int a = 0;
|
||
|
int *p = nullptr, *q = &a;
|
||
|
std::swap(p, q);
|
||
|
return *q;
|
||
|
}
|