C++ examples for template:template function
Template used for absolute value function
#include <iostream> using namespace std; template <class T> //function template T abs(T n)//from www.j a va2 s . c om { return (n < 0) ? -n : n; } int main() { int int1 = 5; int int2 = -6; long lon1 = 70000L; long lon2 = -80000L; double dub1 = 9.95; double dub2 = -10.15; //calls instantiate functions cout << "\nabs(" << int1 << ")=" << abs(int1); //abs(int) cout << "\nabs(" << int2 << ")=" << abs(int2); //abs(int) cout << "\nabs(" << lon1 << ")=" << abs(lon1); //abs(long) cout << "\nabs(" << lon2 << ")=" << abs(lon2); //abs(long) cout << "\nabs(" << dub1 << ")=" << abs(dub1); //abs(double) cout << "\nabs(" << dub2 << ")=" << abs(dub2); //abs(double) cout << endl; return 0; }