int value = 1;

auto copy_value = [value] {

return value;

};

value = 100;

auto stored_value = copy_value();

std::cout << "stored_value = " << stored_value << std::endl;

// At this moment, stored_value == 1, and value == 100.

// Because copy_value has copied when its was created.

int value = 1;

auto copy_value = [&value] {

return value;

};

value = 100;

auto stored_value = copy_value();

std::cout << "stored_value = " << stored_value << std::endl;

// At this moment, stored_value == 100, value == 100.

// Because copy_value stores reference

auto important = std::make_unique<int>(1);

auto add = [v1 = 1, v2 = std::move(important)](int x, int y) -> int {

return x+y+v1+(*v2);

};

std::cout << add(3,4) << std::endl;

auto generic = [](auto x, auto y) {

return x+y;

};

std::cout << generic(1, 2) << std::endl;

std::cout << generic(1.1, 2.2) << std::endl;

lambda_value_capture();

lambda_reference_capture();

lambda_expression_capture();

lambda_generic();

return 0;