[Cs3] lambda templates

[Mikhail Nesterenko]

CS3 students,

There was a question about whether it is possible to have a templated
lambda function. It turns out, not riginally, but as of C++20 it is a
possibility. Here are more details from the stackoverflow

    https://stackoverflow.com/questions/3575901/can-lambda-functions-be-templated

Thanks,
--
Mikhail