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std::auto_ptr::auto_ptr

STD：：AUTO[医]PTR：：AUTO[医]PTR

explicit auto_ptr( X* p = 0 (1)(deprecated)
auto_ptr( auto_ptr& r (2)(deprecated)
template< class Y > auto_ptr( auto_ptr<Y>& r (3)(deprecated)
template< class Y > auto_ptr( auto_ptr_ref<Y> m (4)(deprecated)

构造auto_ptr引用要管理的对象的指针。

1%29构造auto_ptr带指针p...

2%29构造auto_ptr指针在r...r.release()调用以获取对象的所有权。

3%29与%282%29相同。Y*必须隐式转换为T*...

4%29构造auto_ptr中的指针。auto_ptr引用的实例m...p.release()被调用为auto_ptr p那m持有以获得物体的所有权。

auto_ptr_ref是包含对auto_ptr...std::auto_ptr隐式可转换到和可从这种类型的。该实现允许为模板提供不同的名称或以其他方式实现等效功能。

参数

p-a pointer to an object to manage
r-another auto_ptr to transfer the ownership of the object from
m-an implementation-defined type that holds a reference to auto_ptr

例外

%280%29

注记

构造函数和复制赋值操作符auto_ptr_ref，以便允许复制构造和赋值。std::auto_ptr来自无名的临时人员。由于它的复制构造函数和复制赋值操作符将参数作为非Const引用，因此它们不能直接绑定rvalue参数。然而，用户定义转换可以执行%28，这将释放原始的自动[医]ptr%29，然后调用构造函数或复制赋值操作符auto_ptr_ref按价值计算。这是对移动语义...

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http：//en.cppreference.com/w/cpp/Memory/AUTO[医]PTR/AUTO[医]PTR

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