Yes, lambdas are by far one of the best things to come out of the last 20 years of C++ development. They work exactly as a C++ programmer would expect (i.e. the

Yes, lambdas are by far one of the best things to come out of the last 20 years of C++ development. They work exactly as a C++ programmer would expect (i.e. they are equivalent to a manually written struct overloading operator()). Coroutines, IMHO not so much; they are extremely complex and feel half baked. The problem is that there was so much discussion around them, that it was either that or nothing for the next 10 years.