The following code example is taken from the book
C++23 - The Complete Guide
by Nicolai M. Josuttis,
Leanpub, 2026
The code is licensed under a
Creative Commons Attribution 4.0 International License.
// raw code
int main()
{
auto square2 = [] (auto x) static { // static lambda
return x * x;
};
return square2(7); // call the lambda
}