#include <vector>
class Object
{
};
int main()
{
Object myObject;
std::vector<int> myVector;
}
Run Code Online (Sandbox Code Playgroud)
编译器发出:
warning: unused variable 'myObject' [-Wunused-variable]
Run Code Online (Sandbox Code Playgroud)
没有警告myVector.为什么?有没有办法实现这个?