std::pmr::polymorphic_allocator<T>:: select_on_container_copy_construction

 

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Feature test macros (C++20)

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Concepts library (C++20)

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Symbols index

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Dynamic memory management

Smart pointers unique_ptr (C++11) shared_ptr (C++11) weak_ptr (C++11) auto_ptr (until C++17) owner_less (C++11) enable_shared_from_this (C++11) bad_weak_ptr (C++11) default_delete (C++11) out_ptr_t (C++23) inout_ptr_t (C++23) Allocators allocator allocator_traits (C++11) allocation_result (C++23) allocate_at_least (C++23) allocator_arg (C++11) uses_allocator (C++11) uses_allocator_construction_args (C++20) make_obj_using_allocator (C++20) uninitialized_construct_using_allocator (C++20) scoped_allocator_adaptor (C++11) pmr::polymorphic_allocator (C++17) Memory resources pmr::memory_resource (C++17) pmr::get_default_resource (C++17) pmr::set_default_resource (C++17) pmr::new_delete_resource (C++17) pmr::null_memory_resource (C++17) pmr::synchronized_pool_resource (C++17) pmr::unsynchronized_pool_resource (C++17) pmr::monotonic_buffer_resource (C++17) pmr::pool_options (C++17) Uninitialized storage raw_storage_iterator (until C++20) get_temporary_buffer (until C++20) return_temporary_buffer (until C++20)

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std::pmr::polymorphic_allocator

Member functions

polymorphic_allocator::polymorphic_allocator

polymorphic_allocator::allocate

polymorphic_allocator::deallocate

polymorphic_allocator::construct

polymorphic_allocator::destroy (deprecated in C++20)

polymorphic_allocator::allocate_bytes (C++20)

polymorphic_allocator::deallocate_bytes (C++20)

polymorphic_allocator::allocate_object (C++20)

polymorphic_allocator::deallocate_object (C++20)

polymorphic_allocator::new_object (C++20)

polymorphic_allocator::delete_object (C++20)

polymorphic_allocator::select_on_container_copy_construction

polymorphic_allocator::resource

Non-member functions

operator==operator!= (until C++20)

 

polymorphic_allocator select_on_container_copy_construction() const;		(since C++17)

Returns a default-constructed polymorphic_allocator object.

Parameters

(none)

Return value

A default-constructed polymorphic_allocator object.

Notes

polymorphic_allocators do not propagate on container copy construction.

See also

select_on_container_copy_construction [static]

obtains the allocator to use after copying a standard container (public static member function of std::allocator_traits<Alloc>)