Just an opinion: Rust and C++ are going on different paths and selecting different subset of features. Rust generally lies in higher layer, while when it comes

Just an opinion: Rust and C++ are going on different paths and selecting different subset of features. Rust generally lies in higher layer, while when it comes to tough situations like ABI compatibility, a machine that CHAR_SIZE does not equals to 8, weird platforms that have very weak consistency model, recovering your program when each bit might be flipped by random, dealing with platform-related half-broken OS APIs and manipulating stacks to squash last drop of performance from your program, C++ is still the only choice. In a word, Rust is becoming "C++ for 80% cases", but the remaining 20% is inherently difficult (much harder than most people's wildest imaginations - just try to implement a file system library, make it work on last two versions of Windows, Mac and major Linux distributions and you'll understand what it means).