findIndexByKey method

  1. @override
int findIndexByKey (
  1. Key key
)
override

Copied from SliverChildBuilderDelegate.

Implementation

@override
int findIndexByKey(Key key) {
  if (findChildIndexCallback == null) return null;
  assert(key != null);
  Key childKey;
  if (key is _SaltedValueKey) {
    final saltedValueKey = key;
    childKey = saltedValueKey.value;
  } else {
    childKey = key;
  }
  return findChildIndexCallback(childKey);
}