dart-error-handling

The best way to handle errors in Dart is using the Result<T> pattern for business operations to manage success and failure states explicitly. This approach ensures predictable failure states and distinguishes expected Exceptions from programming Errors.

In Dart, you should use Exception for expected failures during runtime and Error for programming bugs. This distinction guides your error handling strategy by clarifying which failures are recoverable and which indicate logic flaws requiring code fixes.

You should restrict try-catch blocks in Flutter to external service boundaries, such as when interacting with external APIs. This boundary error handling approach keeps internal business logic clean while managing external failures predictably.

To manage resource cleanup during Dart error handling, you must ensure the proper disposal of resources in both success and error paths. This guarantees that resources are released predictably even when operations fail.

Yes, the Result pattern works effectively for external API integration in Dart. It standardizes error handling at service boundaries by enforcing explicit success and failure states, which makes external service interactions predictable and maintainable.