std::basic_string::shrink_to_fit - cppreference.com
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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.
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Parâmetros
(Nenhum)
Original:
(none)
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Valor de retorno
(Nenhum)
Original:
(none)
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Complexidade
Constante
Original:
Constant
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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
Veja também
| returns the number of characters (função pública membro) [edit] | |
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. (função pública membro) [edit] | |