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.
29 lines
504 B
29 lines
504 B
/*
|
|
* Copyright (c) 2017-present, Facebook, Inc.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
struct S {
|
|
int field;
|
|
};
|
|
|
|
void ref_set_to_zero(int& x) { x = 0; }
|
|
|
|
void struct_ref_set_to_zero(struct S& s) { s.field = 0; }
|
|
|
|
void call_by_ref_good() {
|
|
int arr[10];
|
|
int i = 99;
|
|
ref_set_to_zero(i);
|
|
arr[i] = 123;
|
|
}
|
|
|
|
void call_by_ref_bad() {
|
|
int arr[10];
|
|
int i = 5;
|
|
ref_set_to_zero(i);
|
|
arr[i - 1] = 123;
|
|
}
|