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std::allocator<T>:: allocator

From cppreference.net
C++
Memory management library
( exposition only* )
Allocators
Uninitialized memory algorithms
Constrained uninitialized memory algorithms
Memory resources
Uninitialized storage (until C++20)
( until C++20* )
( until C++20* )
( until C++20* )

Garbage collector support (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)
(C++11) (until C++23)
std::allocator
(1)
allocator ( ) throw ( ) ;
(hasta C++11)
allocator ( ) noexcept ;
(desde C++11)
(hasta C++20)
constexpr allocator ( ) noexcept ;
(desde C++20)
(2)
allocator ( const allocator & other ) throw ( ) ;
(hasta C++11)
allocator ( const allocator & other ) noexcept ;
(desde C++11)
(hasta C++20)
constexpr allocator ( const allocator & other ) noexcept ;
(desde C++20)
(3)
template < class U >
allocator ( const allocator < U > & other ) throw ( ) ;
(hasta C++11)
template < class U >
allocator ( const allocator < U > & other ) noexcept ;
(desde C++11)
(hasta C++20)
template < class U >
constexpr allocator ( const allocator < U > & other ) noexcept ;
(desde C++20)

Construye el asignador por defecto. Dado que el asignador por defecto no tiene estado, los constructores no tienen ningún efecto visible.

Parámetros

other - otro asignador con el cual construir