STL Sample for the make_pair Function

• The Standard C++ Library included with: - Microsoft Visual C++, 32-bit Edition, version 4.2

SUMMARY

The sample code below illustrates how to use the make_pair STL function in Visual C++.

MORE INFORMATION

Required Header

   <utility>

Prototype

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

Description

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

Sample Code

///////////////////////////////////////////////////////////////////////
// Compile options needed: none
//
// mkpair.cpp: Illustrates how to use the make_pair function.
//
// Functions: make_pair - creates an object pair containing two data
//                        elements of any type.
//
// Written by Mark Hagen
// of Microsoft Technical Support
// Copyright (c) 1996 Microsoft Corporation.
// All rights reserved.
///////////////////////////////////////////////////////////////////////

/* Compiler options needed: none
*/

#include <utility>

/* STL pair data type containing int and float
*/

void 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;

Program Output is:

18 3.14 10 1

REFERENCES

Visual C++ Books On Line: Visual C++ Books:C/C++:Standard C++ Library Reference.