The following code example is taken from the book
The C++ Standard Library - A Tutorial and Reference, 2nd Edition
by Nicolai M. Josuttis, Addison Wesley Longman, 2012
Copyright © 2012 by Pearson Education, Inc. and Nicolai M. Josuttis
#include<functional>
#include<iostream>
std::function<int(int,int)> returnLambda ()
{
return [] (int x, int y) {
return x*y;
};
}
int main()
{
auto lf = returnLambda();
std::cout << lf(6,7) << std::endl;
}