unordered_multimap::reference

發行項
02/28/2013

項目之參考型別。

typedef Alloc::reference reference;

備註

型別描述可以做為受控制序列的項目之參考的物件。

範例

// std_tr1__unordered_map__unordered_multimap_reference.cpp 
// compile with: /EHsc 
#include <unordered_map> 
#include <iostream> 
 
typedef std::unordered_multimap<char, int> Mymap; 
int main() 
    { 
    Mymap c1; 
 
    c1.insert(Mymap::value_type('a', 1)); 
    c1.insert(Mymap::value_type('b', 2)); 
    c1.insert(Mymap::value_type('c', 3)); 
 
// display contents " [c 3] [b 2] [a 1]" 
    for (Mymap::iterator it = c1.begin(); 
        it != c1.end(); ++it) 
        { 
        Mymap::reference ref = *it; 
        std::cout << " [" << ref.first << ", " << ref.second << "]"; 
        } 
    std::cout << std::endl; 
 
    return (0); 
    }