Q*Animation: s/QPair/std::pair/

Also port from qMakePair() to just braced initialization and CTAD.

As a drive-by, de-duplicate some code around a lower_bound(), and port
from `typedef` to `using`.

Pick-to: 6.7
Task-number: QTBUG-115841
Change-Id: I3e907ad3bb10b5ca169422ad90d3a65b1b33f926
Reviewed-by: Ahmad Samir <a.samirh78@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/corelib/animation/qpropertyanimation.cpp b/src/corelib/animation/qpropertyanimation.cpp
index 3bee809509..d461668dbb 100644
--- a/src/corelib/animation/qpropertyanimation.cpp
+++ b/src/corelib/animation/qpropertyanimation.cpp
@@ -261,7 +261,7 @@ void QPropertyAnimation::updateState(QAbstractAnimation::State newState,
     {
         Q_CONSTINIT static QBasicMutex mutex;
         auto locker = qt_unique_lock(mutex);
-        typedef QPair<QObject *, QByteArray> QPropertyAnimationPair;
+        using QPropertyAnimationPair = std::pair<QObject *, QByteArray>;
         typedef QHash<QPropertyAnimationPair, QPropertyAnimation*> QPropertyAnimationHash;
         Q_CONSTINIT static QPropertyAnimationHash hash;