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std::basic_string::shrink_to_fit

De cppreference.com
< cpp‎ | string‎ | basic string
 
 
Strings biblioteca
Terminadas en nulo
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Null-terminated strings
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Cadenas de bytes
Multibyte cuerdas
Cadenas anchas
Clases
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Classes
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std::basic_string
Las funciones miembro
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Member functions
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Elemento acceso
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Element access
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Los iteradores
Original:
Iterators
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Capacidad
Original:
Capacity
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basic_string::shrink_to_fit
(C++11)
Operaciones
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Operations
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Buscar
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Search
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Constantes
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Constants
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Terceros funciones
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Non-member functions
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(C++11)(C++11)(C++11)
(C++11)(C++11)
(C++11)(C++11)(C++11)
(C++11)
(C++11)
Clases de ayuda
Original:
Helper classes
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void shrink_to_fit();
(desde C++11)
Pide la eliminación de la capacidad no utilizada .
Original:
Requests the removal of unused capacity.
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Se trata de una petición no vinculante para reducir capacity a size. Depende de la aplicación si la petición se cumpla .
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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Contenido

[editar] Parámetros

(Ninguno)
Original:
(none)
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[editar] Valor de retorno

(Ninguno)
Original:
(none)
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[editar] Complejidad

Constant
Original:
Constant
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[editar] Ejemplo

#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';
}

Salida:

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] Ver también

returns the number of characters
(función miembro público) [editar]
devuelve el número de caracteres que se pueden almacenar en el almacenamiento asignado actualmente
Original:
returns the number of characters that can be held in currently allocated storage
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(función miembro público) [editar]