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Result and Failure Types

Zuraffa uses Result<T, AppFailure> to make failures explicit. No hidden exceptions, no guessing which errors can happen.

Why it matters​

  • You can pattern-match on failures
  • UI logic stays clean and predictable
  • Tests assert failures without try/catch

Basic usage​

final result = await getProductUseCase(params);

result.fold(
  (data) => showProduct(data),
  (failure) => showError(failure.message),
);

Failure types​

Zuraffa models common failures like validation, network, cancellation, and unknown errors. This keeps error handling consistent across layers.