swap one set with another set : set swap « set multiset « C++ Tutorial

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C++ Tutorial » set multiset » set swap

19.9.2.swap one set with another set

#include <iostream>

#include <set>



using namespace std;

typedef set<int> SET_INT;



int main(void){

   SET_INT s1;

   SET_INT s2;

   SET_INT::iterator i;



   s1.insert(5);

   s1.insert(10);

   s1.insert(15);



   s2.insert(2);

   s2.insert(4);



  swap(s1,s2);



  for (i=s1.begin();i!=s1.end();i++)

     cout << "s1 has " << *i << " in its set." << endl;



  for (i=s2.begin();i!=s2.end();i++)

     cout << "s2 has " << *i << " in its set." << endl;



  s1.swap(s2);



  for (i=s1.begin();i!=s1.end();i++)

     cout << "s1 has " << *i << " in its set." << endl;



  for (i=s2.begin();i!=s2.end();i++)

     cout << "s2 has " << *i << " in its set." << endl;

}

19.9.set swap
	19.9.1.	Swap two sets and display its content
	19.9.2.	swap one set with another set
	19.9.3.	Swap two sets using the swap() function

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