struct objc_ptr {
    ~objc_ptr() {};
    
    static std::shared_ptr<objc_ptr> create (Type* object) {
        return std::shared_ptr<objc_ptr> (new objc_ptr (object));
    }
    
    Type* get() {
        return static_cast<Type*> (objectHolder.nonretainedObjectValue);
    };
    
private:
    objc_ptr (Type* object) {
        objectHolder = [NSValue valueWithNonretainedObject: object];
    };
    
    NSValue* objectHolder = nil;
};