std::vector::emplace
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| template< class... Args > iterator emplace( const_iterator pos, Args&&... args ); |
(desde C++11) | |
Insere um novo elemento para o recipiente diretamente antes
pos. O elemento é construído no local, ou seja, nenhuma cópia ou operações de movimentação são executadas. O construtor do elemento é chamado com o std::forward<Args>(args)... argumentos. O tipo de elemento deve ser EmplaceConstructible, MoveInsertable and MoveAssignable.Original:
Inserts a new element into the container directly before
pos. The element is constructed in-place, i.e. no copy or move operations are performed. The constructor of the element is called with the arguments std::forward<Args>(args).... The element type must be EmplaceConstructible, MoveInsertable and MoveAssignable.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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If the new size() is greater than capacity(), all iterators and references are invalidated. Otherwise, only the iterators and references after the added element are invalidated.
Índice |
[editar] Parâmetros
| pos | - | iterador antes que o novo elemento será construído
Original: iterator before which the new element will be constructed The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| args | - | argumentos para encaminhar para o construtor do elemento
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. |
[editar] Valor de retorno
Iterador apontando para o elemento colocadas.
Original:
Iterator pointing to the emplaced element.
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[editar] Complexidade
Linear in the distance between pos and end of the container.
[editar] Exceções
Se uma exceção é lançada (por exemplo, pelo construtor), o contêiner é deixado inalterado, tal como se esta função nunca foi chamado (garantia exceção forte).
Original:
If an exception is thrown (e.g. by the constructor), the container is left unmodified, as if this function was never called (strong exception guarantee).
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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[editar] Veja também
| insere elementos 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. (função pública membro) | |
