auto delete

struct SomeClass {
    SomeClass(){ std::cout << "SomeClass::SomeClass" << std::endl; }
    ~SomeClass(){ std::cout << "SomeClass::~SomeClass" << std::endl; }
};
void f(){
    auto someClass = new std::unique_ptr<SomeClass>(new SomeClass());
    std::cout << someClass->x << std::endl;
}
f();
// out:
// "SomeClass::SomeClass"
// "SomeClass::~SomeClass"