Validating a string has a maximum length

import 'package:luthor/luthor.dart';

void main() {
  final validator = l.string().max(5);
  print(validator.validateValue('Hello World!'));
}

import 'package:luthor/luthor.dart';
import 'package:freezed_annotation/freezed_annotation.dart';

part 'max.freezed.dart';
part 'max.g.dart';

@luthor
@freezed
abstract class MaxSchema with _$MaxSchema {
  const factory MaxSchema({
    @HasMax(5) required String value,
  }) = _MaxSchema;

  factory MaxSchema.fromJson(Map<String, dynamic> json) =>
      _$MaxSchemaFromJson(json);
}

void main() {
  final result = $MaxSchemaValidate({'value': 'Hello'});

  switch (result) {
    case SchemaValidationSuccess(data: final data):
      print('✅ Valid: ${data.value}');
    case SchemaValidationError(errors: final errors):
      print('❌ Errors: $errors');
  }
}