common: Notify if key was removed from settings
authorManuel Nickschas <sputnick@quassel-irc.org>
Sun, 3 Jun 2018 22:04:47 +0000 (00:04 +0200)
committerManuel Nickschas <sputnick@quassel-irc.org>
Sun, 3 Jun 2018 22:06:22 +0000 (00:06 +0200)
commit54dd5d1f5ae8a4170ed7bfdbeb546e8340540cc3
tree7c9c538f09fa28edc3cce3a8474de3d32f8af11c
parentf9e037ea6a0b946c84db62d324996d8f878c1efb
common: Notify if key was removed from settings

Settings have a notification feature so consumers can subscribe to
value changes. This notification should also be emitted in case
a settings key is removed altogether.
src/common/settings.cpp