Move semantics, RAII, FFI, embedded, and no_std from a systems background.
Ownership, traits, and the type system compared with C# and managed runtimes.
Static typing, performance, and concurrency without a GIL.
Futures, executors, Tokio, streams, and production async patterns.
Pin, allocators, lock-free structures, unsafe, and advanced API design.
Type-state, phantom types, capability tokens, and compile-time proofs.
Build scripts, cross-compilation, CI/CD, Miri, and supply chain.