Rust / Intermediate

Rust โ€” Intermediate

Design reusable borrowed interfaces, errors, modules, iteration, and tests.

6 lessons ยท No account required

What you will learn

  • Explain ownership and failure contracts for this levelโ€™s abstractions.
  • Solve worked exercises and verify complete examples independently.

  1. Result, errors, and recovery

    Represent expected failure in return types, propagate context deliberately, and distinguish recoverable domain errors from invariant-breaking panics.

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  2. Traits, generics, and bounds

    Describe shared behavior with traits and write generic functions whose bounds express the operations they actually require.

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  3. Lifetimes and borrowed APIs

    Describe relationships between references without claiming to extend object lifetimes, and choose owned results when a borrow cannot safely escape.

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  4. Modules, crates, and documentation

    Organize a Rust package around controlled visibility, explicit dependencies, and examples that can be checked as part of the public contract.

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  5. Iterators, closures, and ownership

    Compose lazy iteration with explicit ownership, choose closure captures deliberately, and collect only when a consumer needs an owned result.

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  6. Testing, debugging, and repeatable builds

    Turn contracts into boundary tests, reproduce failures with exact build information, and choose diagnostic tools that answer a specific question.

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