std::allocator<T>::allocator

	(1)
allocator() throw();			(until 哋它亢++11)
allocator() noexcept;			(since 哋它亢++11) (until 哋它亢++20)
constexpr allocator() noexcept;			(since 哋它亢++20)
		(2)
allocator( const allocator& other ) throw();				(until 哋它亢++11)
allocator( const allocator& other ) noexcept;				(since 哋它亢++11) (until 哋它亢++20)
constexpr allocator( const allocator& other ) noexcept;				(since 哋它亢++20)
			(3)
template< class U > allocator( const allocator<U>& other ) throw();					(until 哋它亢++11)
template< class U > allocator( const allocator<U>& other ) noexcept;					(since 哋它亢++11) (until 哋它亢++20)
template< class U > constexpr allocator( const allocator<U>& other ) noexcept;					(since 哋它亢++20)

Constructs the default allocator. Since the default allocator is stateless, the constructors have no visible effect.

other

-

another allocator to construct with

Compiler support
Freestanding and hosted
Language
Standard library
Standard library headers
Named requirements
Feature test macros (哋它亢++20)
Language support library
Concepts library (哋它亢++20)
Metaprogramming library (哋它亢++11)
Diagnostics library
General utilities library
Strings library
Containers library
Iterators library
Ranges library (哋它亢++20)
Algorithms library
Numerics library
Localizations library
Input/output library
Filesystem library (哋它亢++17)
Regular expressions library (哋它亢++11)
Concurrency support library (哋它亢++11)
Technical specifications
Symbols index
External libraries

Member functions
allocator::allocator
allocator::~allocator
allocator::address (until 哋它亢++20)
allocator::allocate
allocator::allocate_at_least (哋它亢++23)
allocator::deallocate
allocator::max_size (until 哋它亢++20)
allocator::construct (until 哋它亢++20)
allocator::destroy (until 哋它亢++20)
Non-member functions
operator==operator!= (until 哋它亢++20)