std::basic_string::shrink_to_fit
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<metanoindex/>
<tbody> </tbody> 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.
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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