Comparing Rust's and C++'s Concurrency Library

The concurrency features that are included in the Rust standard library are quite similar to what was available in C++11: threads, atomics, mutexes, condition variables, and so on. In the past few years, however, C++ has gained quite a few new concurrency related features as part C++17 and C++20, with more proposals still coming in for future versions. Let’s take some time to review C++ concurrency features, discuss what their Rust equivalent could look like, and what it’d take to get there.