C++ move测试
c++ move测试
目的：测试一下move是不是真的按照预期被调用
结论：当然是跟预期一样了！
代码
#include <stdio.h>
#include <vector>
class Buffer
{
public:
Buffer() { printf(__FUNCTION__ "\n"); }
~Buffer() { printf(__FUNCTION__ "\n"); }
Buffer(Buffer const &) { printf(__FUNCTION__ "\n"); }
Buffer &operator=(Buffer const &)
{
printf(__FUNCTION__ "\n");
return *this;
}
#if 0
Buffer(Buffer &&)
{
printf("move" __FUNCTION__ "\n");
}
Buffer &operator=(Buffer &&)
{
printf("move" __FUNCTION__ "\n");
return *this;
}
#endif
};
void main()
{
std::vector<Buffer> v;
v.push_back((Buffer()));
}
/*
* No move operator
Buffer::Buffer
Buffer::Buffer
Buffer::~Buffer
Buffer::~Buffer
*/
/*
* With move operator
Buffer::Buffer
moveBuffer::Buffer
Buffer::~Buffer
Buffer::~Buffer
*/