lambda5.cpp

#include <iostream>
#include <functional>
using namespace std;

int main() {
	function<int(int, int)> add = 
		[] (int a, int b) { return a + b; };

	function<int(void)> magic = 
		[] { return 42; };

	function <void(char *)> print =
		[] (char* msg) { cout << msg << endl; };

	print("hello world!");
	cout 
		<< "add(2, 2) = " << add(2, 2) << endl 
		<< "magic() = " << magic() << endl;

	return 0;
}