C# / Intermediate: Composition and Asynchronous Work

C# β€” Intermediate: Composition and Asynchronous Work

Compose generics, LINQ, asynchronous operations, cancellation, I/O, and meaningful tests.

6 lessons Β· No account required

What you will learn

  • Define collection and enumeration contracts.
  • Propagate cancellation and observe every owned task.
  • Test errors and bounded resource behavior.

  1. Generics and Collection Contracts

    Reuse algorithms while preserving static relationships, domain limits, and the ownership of collection elements.

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  2. LINQ and Deferred Enumeration

    Predict when queries execute, what they observe, and which materialization or ordering guarantees callers actually receive.

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  3. Async, Await, and Task Lifetimes

    Explain suspension and completion precisely and keep asynchronous work observed without assuming a new thread for every task.

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  4. Cancellation and Operation Lifetimes

    Propagate cooperative cancellation and distinguish requesting a stop from observing that every owned operation has ended.

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  5. Bounded I/O and Serialization

    Keep transport, encoding, syntax, domain validation, and disposal as separate parts of a reliable data boundary.

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  6. Testing and Debugging Contracts

    Derive independent checks from behavior and use controlled failures instead of depending on real damaged resources.

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