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| author | Olivier Goffart <olivier.goffart@nokia.com> | 2010-07-26 12:03:00 (GMT) |
|---|---|---|
| committer | Olivier Goffart <olivier.goffart@nokia.com> | 2010-07-26 14:04:18 (GMT) |
| commit | a882a46b1c60e5774ade68eaac60922b19a08835 (patch) | |
| tree | d603f2ad38e235392e3bccdee51836c2667cfda7 /doc/src/snippets/qtreeview-dnd | |
| parent | 3a08c5b1682e211bf664c21850187e2b15e89c23 (diff) | |
| download | Qt-a882a46b1c60e5774ade68eaac60922b19a08835.zip Qt-a882a46b1c60e5774ade68eaac60922b19a08835.tar.gz Qt-a882a46b1c60e5774ade68eaac60922b19a08835.tar.bz2 | |
Doc: use const& in foreach when applicable.
Const reference are slightly faster than doing a copy of the object
on each iteration.
Lead by example by having this pattern right in our documentation
Diffstat (limited to 'doc/src/snippets/qtreeview-dnd')
| -rw-r--r-- | doc/src/snippets/qtreeview-dnd/dragdropmodel.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/src/snippets/qtreeview-dnd/dragdropmodel.cpp b/doc/src/snippets/qtreeview-dnd/dragdropmodel.cpp index 2d01240..620a716 100644 --- a/doc/src/snippets/qtreeview-dnd/dragdropmodel.cpp +++ b/doc/src/snippets/qtreeview-dnd/dragdropmodel.cpp @@ -123,7 +123,7 @@ QMimeData *DragDropModel::mimeData(const QModelIndexList &indexes) const QDataStream stream(&encodedData, QIODevice::WriteOnly); - foreach (QModelIndex index, indexes) { + foreach (const QModelIndex &index, indexes) { if (index.isValid()) { QString text = data(index, Qt::DisplayRole).toString(); stream << index.internalId() << index.row() << index.column() << text; |