Espacios de nombres
Variantes
Acciones

std::hash (std::string, std::wstring, std::u16string, std::u32string)

De cppreference.com
< cpp‎ | string‎ | basic string
 
 
Strings biblioteca
Terminadas en nulo
Original:
Null-terminated strings
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Cadenas de bytes
Multibyte cuerdas
Cadenas anchas
Clases
Original:
Classes
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
 
std::basic_string
Las funciones miembro
Original:
Member functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Elemento acceso
Original:
Element access
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Los iteradores
Original:
Iterators
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Capacidad
Original:
Capacity
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Operaciones
Original:
Operations
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Buscar
Original:
Search
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Constantes
Original:
Constants
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Terceros funciones
Original:
Non-member functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
(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
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
hash<std::string>hash<std::wstring>hash<std::u32string>hash<std::u16string>
(C++11)
 
Definido en la cabecera <string>
template<> struct hash<std::string>;

template<> struct hash<std::wstring>;
template<> struct hash<std::u16string>;

template<> struct hash<std::u32string>;
(desde C++11)

The template specializations of std::hash for the various string classes allow users to obtain hashes of strings.

[editar] Ejemplo

The following code shows one possible output of a hash function used on a string:

#include <iostream>
#include <string>
#include <functional>
 
int main()
{
    std::string s = "Stand back! I've got jimmies!";
    std::hash<std::string> hash_fn;
 
    size_t hash = hash_fn(s);
 
    std::cout << hash << '\n';
}

Salida:

325378910

[editar] Ver también

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