std::scoped_allocator_adaptor<OuterAlloc,InnerAlloc...>:: select_on_container_copy_construction

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< cpp ‎ | memory ‎ | scoped allocator adaptor

( exposition only* )

allocator
allocator_traits (C++11)
allocation_result (C++23)
scoped_allocator_adaptor (C++11)
pmr::polymorphic_allocator (C++17)

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)

Uninitialized memory algorithms

uninitialized_copy
uninitialized_fill
uninitialized_move (C++17)
uninitialized_copy_n (C++11)
uninitialized_fill_n
uninitialized_move_n (C++17)
construct_at (C++20)

uninitialized_default_construct (C++17)
uninitialized_value_construct (C++17)
destroy (C++17)
uninitialized_default_construct_n (C++17)
uninitialized_value_construct_n (C++17)
destroy_n (C++17)
destroy_at (C++17)

Constrained uninitialized memory algorithms

ranges::uninitialized_copy (C++20)
ranges::uninitialized_fill (C++20)
ranges::uninitialized_move (C++20)
ranges::uninitialized_copy_n (C++20)
ranges::uninitialized_fill_n (C++20)
ranges::uninitialized_move_n (C++20)
ranges::construct_at (C++20)

ranges::uninitialized_default_construct (C++20)
ranges::uninitialized_value_construct (C++20)
ranges::destroy (C++20)
ranges::uninitialized_default_construct_n (C++20)
ranges::uninitialized_value_construct_n (C++20)
ranges::destroy_n (C++20)
ranges::destroy_at (C++20)

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::pool_options (C++17)

pmr::null_memory_resource (C++17)
pmr::synchronized_pool_resource (C++17)
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pmr::monotonic_buffer_resource (C++17)

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Types for composite class design
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Uninitialized storage (until C++20)

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declare_reachable (C++11) (until C++23)
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launder

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(C++11)

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(C++11)

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(C++11)

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default_delete

(C++11)

out_ptr_t

(C++23)

inout_ptr_t

(C++23)

Miscellaneous

pointer_traits

(C++11)

to_address

(C++20)

addressof

(C++11)

align

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(C++20)

is_sufficiently_aligned

(C++26)

C Library

malloc
calloc
realloc

free
aligned_alloc (C++17)

ヘッダーで定義 `<scoped_allocator>`
scoped_allocator_adaptor select_on_container_copy_construction ( ) const ;		(C++11以降)

std::scoped_allocator_adaptor の新しいインスタンスを作成します。ここで、外側のアロケータ基底クラスと各内側のアロケータサブオブジェクトは、 std:: allocator_traits < A > :: select_on_container_copy_construction ( ) を呼び出すことで取得されます。

パラメータ

(なし)

戻り値

新しい std::scoped_allocator_adaptor オブジェクト。正しくコピーされたアロケータから構築されます。

Compiler support
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Language
Standard library
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Feature test macros (C++20)
Language support library
Concepts library (C++20)
Diagnostics library
Memory management library
Metaprogramming library (C++11)
General utilities library
Containers library
Iterators library
Ranges library (C++20)
Algorithms library
Strings library
Text processing library
Numerics library
Date and time library
Input/output library
Filesystem library (C++17)
Concurrency support library (C++11)
Execution control library (C++26)
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External libraries

Member functions
scoped_allocator_adaptor::scoped_allocator_adaptor
scoped_allocator_adaptor::~scoped_allocator_adaptor
scoped_allocator_adaptor::operator=
scoped_allocator_adaptor::inner_allocator
scoped_allocator_adaptor::outer_allocator
scoped_allocator_adaptor::allocate
scoped_allocator_adaptor::deallocate
scoped_allocator_adaptor::max_size
scoped_allocator_adaptor::construct
scoped_allocator_adaptor::destroy
scoped_allocator_adaptor::select_on_container_copy_construction
scoped_allocator_adaptor::outermost scoped_allocator_adaptor::outermost-construct scoped_allocator_adaptor::outermost-destroy
Non-member functions
operator== operator!= (until C++20)
Deduction guides (C++17)

cppreference.net

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Variants

std::scoped_allocator_adaptor<OuterAlloc,InnerAlloc...>:: select_on_container_copy_construction

パラメータ

戻り値

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