isPoolElementInvalid method

FutureOr<bool> isPoolElementInvalid(C o, { bool checkUsage = true, })

Implementation

FutureOr<bool> isPoolElementInvalid(O o, {bool checkUsage = true}) {
  var valid = isPoolElementValid(o, checkUsage: checkUsage);

  if (valid is Future<bool>) {
    return valid.then((valid) => !valid);
  } else {
    return !valid;
  }
}