Small performance improvements suggested by clang-tidy

mostly add const &, a few std::move and in particular case, remove const
so the std::move being done over the variable actually has effect

Change-Id: Id611cd31bc012f219d7a17d4626b1c2a5fbddd66
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/quick/items/qquicktableview_p.h b/src/quick/items/qquicktableview_p.h
index 3b113efa4f..a5f727d7a4 100644
--- a/src/quick/items/qquicktableview_p.h
+++ b/src/quick/items/qquicktableview_p.h
@@ -95,10 +95,10 @@ public:
     void setColumnSpacing(qreal spacing);
 
     QJSValue rowHeightProvider() const;
-    void setRowHeightProvider(QJSValue provider);
+    void setRowHeightProvider(const QJSValue &provider);
 
     QJSValue columnWidthProvider() const;
-    void setColumnWidthProvider(QJSValue provider);
+    void setColumnWidthProvider(const QJSValue &provider);
 
     virtual QVariant model() const;
     virtual void setModel(const QVariant &newModel);