compose static method

String? Function(String?) compose(
  1. List<String? Function(String?)> validators
)

Compose multiple validators

Implementation

static String? Function(String?) compose(List<String? Function(String?)> validators) {
  return (value) {
    for (final validator in validators) {
      final error = validator(value);
      if (error != null) return error;
    }
    return null;
  };
}