D9823: Optimize: use QMetaObject::invokeMethod with functor

[Milian Wolff]

mwolff planned changes to this revision.
mwolff added a comment.


  requires 5.10, so I can't commit this as-is...

REPOSITORY
  R244 KCoreAddons

REVISION DETAIL
  https://phabricator.kde.org/D9823

To: mwolff, dfaure, apol
Cc: #frameworks