lang/lambda.cpp

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 square1 = [] (auto x) {                   // non-static lambda
                   return x * x;
                 };

  return square1(7);                             // call the lambda
}