From e5ebb31e54c54944aeeed3f362abc56c16ff7542 Mon Sep 17 00:00:00 2001
From: Laurent Montel <montel@kde.org>
Date: Fri, 11 Jan 2019 07:03:26 +0100
Subject: Consti'fy

---
 src/kitemviews/kfileitemmodel.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/kitemviews/kfileitemmodel.cpp')

diff --git a/src/kitemviews/kfileitemmodel.cpp b/src/kitemviews/kfileitemmodel.cpp
index 7c7abe9a7..61bedfaca 100644
--- a/src/kitemviews/kfileitemmodel.cpp
+++ b/src/kitemviews/kfileitemmodel.cpp
@@ -1717,8 +1717,8 @@ bool KFileItemModel::lessThan(const ItemData* a, const ItemData* b, const QColla
     return (sortOrder() == Qt::AscendingOrder) ? result < 0 : result > 0;
 }
 
-void KFileItemModel::sort(QList<KFileItemModel::ItemData*>::iterator begin,
-                          QList<KFileItemModel::ItemData*>::iterator end) const
+void KFileItemModel::sort(const QList<KFileItemModel::ItemData*>::iterator &begin,
+                          const QList<KFileItemModel::ItemData*>::iterator &end) const
 {
     auto lambdaLessThan = [&] (const KFileItemModel::ItemData* a, const KFileItemModel::ItemData* b)
     {
@@ -1982,7 +1982,7 @@ QList<QPair<int, QVariant> > KFileItemModel::sizeRoleGroups() const
     return groups;
 }
 
-QList<QPair<int, QVariant> > KFileItemModel::timeRoleGroups(std::function<QDateTime(const ItemData *)> fileTimeCb) const
+QList<QPair<int, QVariant> > KFileItemModel::timeRoleGroups(const std::function<QDateTime(const ItemData *)> &fileTimeCb) const
 {
     Q_ASSERT(!m_itemData.isEmpty());
 
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