D23902: [KCoreDirLister] replace deprecated foreach with range-for

[David Faure]

dfaure added a comment.


  For the record, JFBastien was actually wrong. Calling .begin() on a const return value does call the const overload. Testcase http://www.davidfaure.fr/kde/const_retval.cpp
  
  But returning const QList would inhibit move semantics, e.g. `QList<int> mylist = foo();` copies instead of moving.
  So yeah, better not do that.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D23902

To: ahmadsamir, kde-frameworks-devel, dfaure
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns
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