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Illustrates how to use the  Standard Template Library (STL) function in Visual C++.

template
   
     inline   pair
    
      make_pair(      const first& _X,      const second& _Y   )
    
   

The make_pair STL function creates a pair structure that contains two data elements of any type.

// mkpair.cpp// compile with: /EHsc// Illustrates how to use the make_pair function.//// Functions: make_pair - creates an object pair containing two data//                        elements of any type.#include 
    
     #include 
     
      using namespace std;/* STL pair data type containing int and float*/typedef struct pair
      
        PAIR_IF;int main(void){  PAIR_IF pair1=make_pair(18,3.14f);  cout << pair1.first << "  " << pair1.second << endl;  pair1.first=10;  pair1.second=1.0f;  cout << pair1.first << "  " << pair1.second << endl;}
      
     
    

18  3.14

10  1

参考:

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