lamdba Example

test.cpp

#include <iostream>

int main (int argc, char *argv[]) {
    int x = 42;
    int y = 99;
    auto lambda = [x, &y]() mutable {
        x++;
        // Because x is not referenced, it will never effect the global x
        // however it will be effected inside this same lambda, so running it
        // multiple times will result x incremenint, but not the global x
        y++;
        std::cout << x << ", " << y << "\n";
    };
    lambda();
    std::cout << x << ", " << y << "\n";
    lambda();
}