weak_cache 2.0.0

Weak cache that uses weak references for holding values. Implements full Map interface including keys and values iteration.

2.0.0

• Requires Dart 3.0.0
• BREAKING: remove WeakCache.cacheFinalizer.
• Fix memory leak caused by instance member finalizer.
• Optimize containsValue.
• Fix concurrent modification error, now using keys/values/entries will temporarily prevent them from being garbage collected.

1.0.0

• Initial version.