Question

Create a template for a swap routine. You must create a program utilizing a template for a swap routine showing that you can swap integers, floats, doubles, strings and characters.

The format for this template is as follows:

template <class T>
void swapValues (T& V1, T& V2) {

T temp; Temp = V1; V1 = V2; V2 = temp;

}

Answer 1

#include <iostream>

using namespace std; 

template <class T>
void swapValues (T& V1, T& V2) {
   T temp; temp = V1; V1 = V2; V2 = temp;
}


int main(){
   int i1 = 3, i2 = 5;
   swapValues(i1,i2);
   cout<<i1<<" "<<i2<<endl;
   
   float f1 = 5.2, f2 = 3.5;
   swapValues(f1,f2);
   cout<<f1<<" "<<f2<<endl;
   
   
   double d1 = 3.24543, d2 = 4234.44325;
   swapValues(d1,d2);
   cout<<d1<<" "<<d2<<endl;
   
   
   string s1 = "abc", s2 = "def";
   swapValues(s1,s2);
   cout<<s1<<" "<<s2<<endl;
   
   char c1 = 'b', c2 = 'a';
   swapValues(c1,c2);
   cout<<c1<<" "<<c2<<endl;
   return 0;
}