C++

参考

<string>

basic_string

public member function
<string>

std::basic_string::get_allocator

allocator_type get_allocator() const;
allocator_type get_allocator() const noexcept;
Get allocator
Returns a copy of the allocator object associated with the basic_string.

参数

无

返回值

The allocator.

成员类型allocator_typeis the type of the allocator used by the container, defined in basic_string as an alias of its third template parameter (Alloc).

复杂度

未指定，但通常是恒定的。

迭代器有效性

没有变化。

数据竞争

该对象被访问。

异常安全

无异常保证：此成员函数从不抛出异常。
Copying any instantiation of the default allocator is also guaranteed to never throw.

另见

allocator
默认分配器 (类模板)