target 0.12.0

target: ^0.12.0 copied to clipboard

example/target_example.dart

import 'package:target/target.dart';

void main() {
  // Validating an email address.
  EmailAddress.of('john.doe@example.com').fold(
    (it) => print('Email address is not valid: $it'),
    (it) => print('Email address is valid: $it'),
  );
  // Prints: Email address is valid: EmailAddress(john.doe@example.com)
}

final class EmailAddress extends GenericValueObject<String> {
  static const of = EmailAddressValidator(EmailAddress._);

  const EmailAddress._(super.value);
}