placement new #1
Description
1、placement new:
int tmp = 1;
int* ptr = new (&tmp)int(2);
2、
struct test_t{
void* operator new(size_t)
return nullptr;
};
test_t* test = new test_t;
{{ message }}
1、placement new:
int tmp = 1;
int* ptr = new (&tmp)int(2);
2、
struct test_t{
void* operator new(size_t)
return nullptr;
};
test_t* test = new test_t;