[Galanwe]

> In my experience with multi-threaded programming, C++ code with "careless sharing issues" is often filled with multiple threads accessing the same object and relying on convention to avoid calling the wrong thread's methods

Right, I can see the kind of codebase you're referring to.

I don't see Rust as a magical weapon solving concurrency issues though. Namely because Rust (the compiler) has a very limited view of what happens in the lifetime of a multithreaded system, and no view at all of the lifetime of a multiprocess system.

Even when writing purely single threaded Rust, you quickly end up having to let go of the strictly static memory sharing checks and switch to dynamic ones.

I have yet to find a use case where Rust solves anything but the most blatant synchronization issues.