Templates

Intro1

#include <iostream>
using namespace std;


/* Template Function. 'template <class T>' or 'template <typename T>' 
can be used here.*/
template <class T>
void exampleFunction(T val) {
	cout << val;
}

/* Template Class. 'template <class T>' or 'template <typename T>'
can be used here.*/
template <class T>
class ExampleClass {
	T memberVariable;
public:
	ExampleClass(T val) :memberVariable(val) {}

	void printMemberVaraible() {
		cout << memberVariable;
	}
};

int main() {
	exampleFunction(5); //correct
	exampleFunction<int>(5); //correct. 'int' type passed as template argument is optional;
	ExampleClass ec1(4); //incorrect. 'int' Type needs to passed as a template argument.
	ExampleClass<int> ec1(4);//correct
	return 0;
}