std::allocator<T>:: max_size

From cppreference.com
Dynamic memory management
Uninitialized memory algorithms
Constrained uninitialized memory algorithms
Allocators
Garbage collection support
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)



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> )