getAndPut abstract method

Future getAndPut(
  1. String key,
  2. dynamic value, {
  3. Duration? expiryDuration,
})

Associates the specified value with the specified key in this cache, returning an existing value if one existed. If the cache previously contained a mapping for the key, the old value is replaced by the specified value

  • key: key with which the specified value is to be associated
  • value: value to be associated with the specified key

The previous value is returned, or null if there was no value associated with the key previously.

Implementation

Future<dynamic?> getAndPut(String key, dynamic value,
    {Duration? expiryDuration});