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std::hash (std::bitset)

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< cpp‎ | utility‎ | bitset

 
 
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(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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Clases de ayuda
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Helper classes
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std::hash
(C++11)
 
template<size_t N> struct hash<bitset<N>>;
(desde C++11)
La especialización de plantilla de std::hash para std::bitset<N> permite a los usuarios obtener los valores hash de los objetos de tipo std::bitset<N> .
Original:
The template specialization of std::hash for std::bitset<N> allows users to obtain hashes of objects of type std::bitset<N>.
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[editar] Ejemplo

El código siguiente muestra una posible salida de una función hash utilizado en varios bitsets:
Original:
The following code shows one possible output of a hash function used on several bitsets:
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#include <iostream>
#include <bitset>
#include <functional>
 
int main()
{
    std::bitset<4> b1(1);
    std::bitset<4> b2(2);
    std::bitset<4> b3(b2);
 
    std::hash<std::bitset<4>> hash_fn;
 
    size_t h1 = hash_fn(b1);
    size_t h2 = hash_fn(b2);
    size_t h3 = hash_fn(b3);
 
    std::cout << h1 << '\n';
    std::cout << h2 << '\n';
    std::cout << h3 << '\n';
}

Salida:

67918732
118251589
118251589

[editar] Ver también

(C++11)
hash function object
(plantilla de clase) [editar]