unordered_map::hash_function

Gets the stored hash function object.

Hash hash_function() const;

Remarks

The member function returns the stored hash function object.

Example

// std_tr1__unordered_map__unordered_map_hash_function.cpp 
// compile with: /EHsc 
#include <unordered_map> 
#include <iostream> 
 
typedef std::unordered_map<char, int> Mymap; 
int main() 
    { 
    Mymap c1; 
 
    Mymap::hasher hfn = c1.hash_function(); 
    std::cout << "hfn('a') == " << hfn('a') << std::endl; 
    std::cout << "hfn('b') == " << hfn('b') << std::endl; 
 
    return (0); 
    } 
 

hfn('a') == 1630279
hfn('b') == 1647086

Requirements

Header: <unordered_map>

Namespace: std

See Also

Reference

<unordered_map>

unordered_map Class