D25022: Add some const &

[Albert Astals Cid]

aacid added a comment.


  In D25022#556505 <https://phabricator.kde.org/D25022#556505>, @zzag wrote:
  
  > > For shared pointers instead of adding const & we move them into the destination variable saving some cpu usage but at the same time making clear the pointer is being stored by not being const &
  >
  > It's worth to point out that smart pointers in Qt are not movable. So we'll still be copying shared pointers.
  
  
  What do you mean they are not movable?
  
    https://code.qt.io/cgit/qt/qtbase.git/tree/src/corelib/tools/qshareddata.h?h=5.13#n222
  
  has the move operator for QExplicitlySharedDataPointer which is what a KSharedConfigPtr is. It doesn't involve ref counting like the copy constructor in
  
    https://code.qt.io/cgit/qt/qtbase.git/tree/src/corelib/tools/qshareddata.h?h=5.13#n185

REPOSITORY
  R108 KWin

BRANCH
  arcpatch-D25022

REVISION DETAIL
  https://phabricator.kde.org/D25022

To: aacid, zzag
Cc: zzag, kwin, LeGast00n, The-Feren-OS-Dev, sbergeron, jraleigh, fbampaloukas, GB_2, mkulinski, ragreen, jackyalcine, iodelay, crozbo, bwowk, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, hardening, romangg, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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