loopback static method

Validator<String> loopback({
  1. String? error,
})

Implementation

static Validator<String> loopback({String? error}) => (value, context) {
      final ip = context.resources.tryGet<IpResource>(
        value,
        temp: !context.usePermanentCache,
      );
      if (ip == null) return (false, 'ip resource not found in context');
      if (ip.isLoopback) {
        return (true, null);
      }
      return (false, error ?? context.errors.ipErrors.loopback());
    };