Due to the type of software I do that is exactly how I look at new language: How it handles concurrency, what kind of synchronization primitives it offers, how

Due to the type of software I do that is exactly how I look at new language: How it handles concurrency, what kind of synchronization primitives it offers, how it manages lifecycle etc. etc. If it does not provide enough facilities in comprehensible way then it essentially useless to me. I do not learn languages just for the f.. of it.