c++ template function
template <class T>
void swap(T & lhs, T & rhs)
{
T tmp = lhs;
lhs = rhs;
rhs = tmp;
}c++ template function
template <class T>
void swap(T & lhs, T & rhs)
{
T tmp = lhs;
lhs = rhs;
rhs = tmp;
}function template
template <class T>
void swap(T & lhs, T & rhs)
{
T tmp = lhs;
lhs = rhs;
rhs = tmp;
}
void main()
{
int a = 6;
int b = 42;
swap<int>(a, b);
printf("a=%d, b=%d\n", a, b);
// Implicit template parameter deduction
double f = 5.5;
double g = 42.0;
swap(f, g);
printf("f=%f, g=%f\n", f, g);
}
/*
Output:
a=42, b=6
f=42.0, g=5.5
*/Function Template
#include <iostream>
#include <string>
using namespace std;
template <class calculator> //Template Definition
calculator addNumber(calculator A, calculator B) {
return A + B;
}
int main() {
int a = 7, b = 55;
float x = 77.77, y = 8.99;
double u = 4.44, v = 7.88;
string i = "My ", j = "God!";
std::cout << addNumber(a, b) << endl;
std::cout << addNumber(x, y) << endl;
std::cout << addNumber(u, v) << endl;
std::cout << addNumber(i, j) << endl;
}
//Build Generic Function that can handle multiple type of dataCopyright © 2021 Codeinu
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