std::basic_string::shrink_to_fit
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< cpp | string | basic string
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void shrink_to_fit(); | (desde C++11) | |
Pedidos de remoção de capacidade não utilizada.
Original:
Requests the removal of unused capacity.
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É um pedido não vinculativo para reduzir
capacity para size. Ele depende da implementação, se a solicitação é atendida. Original:
It is a non-binding request to reduce
capacity to size. It depends on the implementation if the request is fulfilled. 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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Índice |
[editar]Parâmetros
(Nenhum)
Original:
(none)
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[editar]Valor de retorno
(Nenhum)
Original:
(none)
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[editar]Complexidade
Constante
Original:
Constant
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[editar]Exemplo
#include <iostream>#include <string>int main(){std::string s;std::cout<<"Default-constructed capacity is "<< s.capacity()<<'\n'; s.resize(100);std::cout<<"Capacity of a 100-element string is "<< s.capacity()<<'\n'; s.clear();std::cout<<"Capacity after clear() is "<< s.capacity()<<'\n'; s.shrink_to_fit();std::cout<<"Capacity after shrink_to_fit() is "<< s.capacity()<<'\n';}
Saída:
Default-constructed capacity is 0 Capacity of a 100-element string is 100 Capacity after clear() is 100 Capacity after shrink_to_fit() is 0
[editar]Veja também
| returns the number of characters (função pública membro) | |
retorna o número de caracteres que podem ser mantidos em armazenamento atualmente alocado Original: returns the number of characters that can be held in currently allocated storage 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) | |
