add method

Future<bool> add(
  1. String key,
  2. Object? value, [
  3. Duration? ttl
])

Store only when the key is missing. True when stored.

Implementation

Future<bool> add(String key, Object? value, [Duration? ttl]) async {
  if (_isGone(ttl)) {
    return false;
  }
  return await driver.add(await itemKey(key), value, ttl);
}