const correctness QgsVectorLayer::deleteAttributes

python/core/auto_generated/qgsvectorlayer.sip.in

@@ -1679,7 +1679,7 @@ Deletes an attribute field (but does not commit it).
    changes can be discarded by calling rollBack().
 %End
 
-    bool deleteAttributes( QList<int> attrs );
+    bool deleteAttributes( const QList<int> &attrs );
 %Docstring
 Deletes a list of attribute fields (but does not commit it)
 
@@ -2559,6 +2559,8 @@ Sets the extent
 };
 
 
+
+
 /************************************************************************
  * This file has been generated automatically from                      *
  *                                                                      *

src/core/qgsvectorlayer.cpp

@@ -2677,16 +2677,16 @@ bool QgsVectorLayer::deleteAttribute( int index )
   return mEditBuffer->deleteAttribute( index );
 }
 
-bool QgsVectorLayer::deleteAttributes( QList<int> attrs )
+bool QgsVectorLayer::deleteAttributes( const QList<int> &attrs )
 {
   bool deleted = false;
 
   // Remove multiple occurrences of same attribute
-  attrs = attrs.toSet().toList();
+  QList<int> attrList = attrs.toSet().toList();
 
-  std::sort( attrs.begin(), attrs.end(), std::greater<int>() );
+  std::sort( attrList.begin(), attrList.end(), std::greater<int>() );
 
-  Q_FOREACH ( int attr, attrs )
+  for ( int attr : qgis::as_const( attrList ) )
   {
     if ( deleteAttribute( attr ) )
     {

src/core/qgsvectorlayer.h

@@ -1546,7 +1546,7 @@ class CORE_EXPORT QgsVectorLayer : public QgsMapLayer, public QgsExpressionConte
      * \returns true if at least one attribute has been deleted
      *
      */
-    bool deleteAttributes( QList<int> attrs );
+    bool deleteAttributes( const QList<int> &attrs );
 
     bool addFeatures( QgsFeatureList &features, QgsFeatureSink::Flags flags = nullptr ) override;
 
@@ -2457,6 +2457,8 @@ class CORE_EXPORT QgsVectorLayer : public QgsMapLayer, public QgsExpressionConte
     friend class QgsVectorLayerFeatureSource;
 };
 
+
+
 // clazy:excludeall=qstring-allocations
 
 #endif