std::allocator<T>::max_size

 

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std::allocator

成员函数

allocator::allocator

allocator::~allocator

allocator::address (C++20 前)

allocator::allocate

allocator::allocate_at_least (C++23)

allocator::deallocate

allocator::max_size (C++20 前)

allocator::construct (C++20 前)

allocator::destroy (C++20 前)

非成员函数

operator==operator!= (直到 C++20)

 

size_type max_size() const throw();		(C++11 前)
size_type max_size() const noexcept;		(C++11 起) (C++17 中已弃用) (C++20 中移除)

返回 n 的最大理论可能值，对于此值，调用 allocate(n, 0) 可能会成功。

在大多数实现中，这返回 std::numeric_limits<size_type>::max() / sizeof(value_type)。

参数

(无)

返回值

支持的最大分配大小。

参阅

max_size [静态]

返回分配器支持的最大对象大小 (std::allocator_traits<Alloc> 的公共静态成员函数)