Typesafe, intuitive error-handling for dart
okay
Typesafe, intuitive error-handling for dart . An implementation of rust’s Result type in dart.
.
Installation
In the dependencies: section of your pubspec.yaml, add the following line:
dependencies:
okay: <latest_version>
Usage
import 'package:okay/okay.dart';
class FallibleOpSuccess {}
class FallibleOpFailure {}
Result<FallibleOpSuccess, FallibleOpFailure> fallibleOp() {
if (true) {
return ok(FallibleOpSuccess());
} else {
return err(FallibleOpFailure());
}
}
final result = fallibleOp();
switch(result.type) {
case ResultType.ok:
print('Success with value: ${result.unwrap()}');
break;
case ResultType.err:
print('Failure with error: ${result.unwrapErr()};');
break;
}