std::set::emplace

 

C++

Язык

Понятия (концепции)

Утилиты

Строки

Контейнеры

Алгоритмы

Итераторы

Работа с числами

Ввод / вывод

Локализация

Регулярные выражения (C++11)

Атомарные примитивы (C++11)

Потоки (C++11)

 

Контейнеры

array (C++11)

vector

deque

forward_list (C++11)

list

set

multiset

map

multimap

unordered_set (C++11)

unordered_multiset (C++11)

unordered_map (C++11)

unordered_multimap (C++11)

stack

queue

priority_queue

 

std::set

Функции-члены

set::set

set::~set

set::operator=

set::get_allocator

Итераторы

set::begin set::cbegin (C++11)

set::end set::cend (C++11)

set::rbegin set::crbegin (C++11)

set::rend set::crend (C++11)

Вместимость

set::empty

set::size

set::max_size

Модификаторы

set::clear

set::insert

set::emplace (C++11)

set::emplace_hint (C++11)

set::erase

set::swap

Поиск

set::count

set::find

set::equal_range

set::lower_bound

set::upper_bound

Observers

set::key_comp

set::value_comp

 

template< class... Args > std::pair<iterator,bool> emplace( Args&&... args );		(начиная с C++11)

Вставляет новый элемент в контейнере. Элемент построен на месте, т.е. не копировать или перемещать операции. The constructor of the element is called with exactly the same arguments, as supplied to the function, forwarded with std::forward<Args>(args)....

Original:

Inserts a new element to the container. The element is constructed in-place, i.e. no copy or move operations are performed. The constructor of the element is called with exactly the same arguments, as supplied to the function, forwarded with std::forward<Args>(args)....

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No iterators or references are invalidated.

Параметры

args

-

Аргументы направить в конструкторе элемента Original: arguments to forward to the constructor of the element The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Возвращаемое значение

returns a pair consisting of a bool denoting whether the insertion took place and an iterator to the inserted element.

Сложность

Logarithmic in the size of the container.

См. также

emplace_hint (C++11)	Элементы конструкций на месте использования подсказки Original: constructs elements in-place using a hint The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (public функция-член)
insert	вставки элементов Original: inserts elements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (public функция-член)