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std::allocator<T>::max_size

From cppreference.com
< cpp‎ | memory‎ | allocator
 
 
Dynamic memory management
Uninitialized memory algorithms
Constrained uninitialized memory algorithms
Allocators
Garbage collection support
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std::allocator
Member functions
(until C++20)
allocator::max_size
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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).

[edit] Parameters

(none)

[edit] Return value

The maximum supported allocation size.

[edit] See also

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