As a senior engineer reviewing this experimental Rust codebase, here are the key insights tailored to your learning and development context: * The active `main` function exhibits a critical type mismatch, confusing `Option` for `Result`, immediately failing compilation. * The `multiply` function correctly utilizes Rust's powerful `?` try operator for succinct optional chaining. * This repository currently serves as a monolithic scratchpad; refactoring is necessary to organize exploratory code and lessons. * Decouple the extensive commented-out language feature explorations from the actual working entry point for clarity and maintenance.
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