std::allocator<T>::allocator

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< cpp‎ | memory‎ | allocator
Memory management library
(exposition only*)
Uninitialized memory algorithms
(C++17)
(C++17)
(C++17)
(C++20)
Constrained uninitialized
memory algorithms
(C++20)
C Library

Allocators
(C++11)
(C++11)
Memory resources
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)
Uninitialized storage
(until C++20*)
(until C++20*)
(until C++20*)
Explicit lifetime management
std::allocator
Member functions
allocator::allocator
(until C++20)
(until C++20)
(until C++20)
(until C++20)
Non-member functions
(until C++20)
(1)
allocator() throw();
(until C++11)
allocator() noexcept;
(since C++11)
(until C++20)
constexpr allocator() noexcept;
(since C++20)
(2)
allocator( const allocator& other ) throw ( ) ;
(until C++11)
allocator( const allocator& other ) noexcept;
(since C++11)
(until C++20)
constexpr allocator( const allocator& other ) noexcept ;
(since C++20)
(3)
template < class U >
allocator( const allocator<U> & other ) throw ( ) ;
(until C++11)
template < class U >
allocator( const allocator<U> & other ) noexcept ;
(since C++11)
(until C++20)
template < class U >
constexpr allocator( const allocator<U> & other ) noexcept ;
(since C++20)

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

Parameters

other - another allocator to construct with