std::allocator<T>::max_size

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Dynamic memory management
Uninitialized storage
(C++17)
Garbage collection support
Miscellaneous
(C++20)
(C++11)
(C++11)
C Library
Low level memory management
 
std::allocator
Member functions
(until C++20)
allocator::max_size
(until C++20)
(until C++20)
Non-member functions
 
size_type max_size() const throw();
(until C++11)
size_type max_size() const noexcept;
(since C++11)
(deprecated in C++17)
(removed in C++20)

Returns the maximum theoretically possible value of n, for which the call allocate(n, 0) could succeed.

In most implementations, this returns std::numeric_limits<size_type>::max() / sizeof(value_type).

Parameters

(none)

Return value

The maximum supported allocation size

See also

[static]
returns the maximum object size supported by the allocator
(public static member function of std::allocator_traits<Alloc>)