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std::bitset::operator<<,<<=,>>,>>=

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< cpp‎ | utility‎ | bitset
 
 
Utilidades de la biblioteca
Escriba apoyo (basic types, RTTI, type traits)
Gestión de memoria dinámica
Gestión de errores
Programa de servicios públicos
Funciones variadic
Fecha y hora
Objetos Function
(C++11)
Operadores relacionales
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Relational operators
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Pares y tuplas
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Pairs and tuples
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(C++11)
Cambiar, hacia adelante y mover
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Swap, forward and move
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(C++11)
(C++11)
(C++11)
 
std::bitset
Tipos de miembros
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Member types
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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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Capacidad
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Capacity
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Modificadores
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Modifiers
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bitset::operator<<=bitset::operator>>=bitset::operator<<bitset::operator>>
Conversiones
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Conversions
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Terceros funciones
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Non-member functions
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Clases de ayuda
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Helper classes
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(C++11)
 
bitset<N> operator<<( size_t pos ) const;
(1)
bitset<N>& operator<<=( size_t pos );
(2)
bitset<N> operator>>( size_t pos ) const;
(3)
bitset<N>& operator>>=( size_t pos );
(4)

Performs binary shift left and binary shift right. Zeroes are shifted in.

1-2) Performs binary shift left. The (2) version is destructive, i.e. performs the shift to the current object.

3-4) Performs binary shift right. The (4) version is destructive, i.e. performs the shift to the current object.

Contenido

[editar] Parámetros

pos - number of positions to shift the bits

[editar] Valor de retorno

1,3) new bitset object containing the shifted bits

2,4) *this

[editar] Ejemplo

#include <iostream>
#include <bitset>
 
int main()
{
    std::bitset<8> b("01110010");
    std::cout << "initial value: " << b << '\n';
 
    while (b.any()) {
        while (!b.test(0)) {
            b >>= 1;
        }
        std::cout << b << '\n';
        b >>= 1;
    }
}

Salida:

initial value: 01110010
00111001
00000111
00000011
00000001

[editar] Ver también

realiza operación binaria AND, OR, XOR y NOT
(función miembro público) [editar]