D9318: [knewstuff] Limit request cache size

[Kai Uwe Broulik]

broulik added a comment.


  Would it simplify things to use a `QSet` instead?

REPOSITORY
  R304 KNewStuff

REVISION DETAIL
  https://phabricator.kde.org/D9318

To: anthonyfieroni, leinir, #frameworks
Cc: broulik