Python uses its offer system. Rust and Go have crafted-in module principles. Languages with sturdy typing generally provide better tooling for implementing module boundaries and interface contracts. This purpose must be explicitly made the decision and documented. The intent is expressed by answering strategic concerns, including:  It's analogous to modularity https://modularsoftwaresuite24556.blogscribble.com/37189860/a-simple-key-for-modular-software-suite-unveiled