Russian Qt Forum

C++ (Qt)
template <class T> 
struct MyPtr {
 MyPtr( T * data = 0 ) : mData(data) {}
 
 T * data( void ) { return mData; }
 T * operator -> ( void ) { return data(); }
 
private:
 T * mData;
};

C++ (Qt)
class MyClass{
public:
	MyClass(){ i = 5; }
	int getI() const{ return i; }
private:
	int i;
};
 
class Wrapper{
public:
	Wrapper(MyClass *myClass) 
	:myClass_(myClass){}
 
	int getI() const{
		return myClass_->getI();
	}
 
private:
	MyClass *myClass_;
};
 

C++ (Qt)
void doSomething(Wrapper obj);
MyClass *pObj = new MyClass();
doSomething(pObj);

C++ (Qt)
#include <memory>
 
struct A{
	int i;
};
 
void modify(const std::unique_ptr<A> &ptr){
	ptr->i = 3;
}
 
int main() {
	std::unique_ptr<A> pObj(new A);
	modify(pObj);
 
	return 0;
}

C++ (Qt)
class Custom : public Obj {
...
private:
  virtual ~Custom( void ) {}
};

C++ (Qt)
Сustom * customPtr;
...
Obj * obj = customPtr;
delete obj;

MyClass *pObj = new MyClass();

customPtr

MyClass *customPtr = pObj;

delete customPtr;

C++ (Qt)
 
class MyClass {
/**/
};
 
class MyClassCustomPtr {
public:
	MyClassCustomPtr(MyClass*);
 
private:
	MyClass* m_customPtr;
 
}