Various Plugins: Simplify return QList statements

Change-Id: I36633128e061d0544e4752a65804b460371283f7
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

29 files changed, 49 insertions, 51 deletions

diff --git a/src/libs/advanceddockingsystem/dockmanager.cpp b/src/libs/advanceddockingsystem/dockmanager.cpp
index 482fd98a7b..73b475ee5a 100644
--- a/src/libs/advanceddockingsystem/dockmanager.cpp
+++ b/src/libs/advanceddockingsystem/dockmanager.cpp
@@ -737,7 +737,7 @@ QList<int> DockManager::splitterSizes(DockAreaWidget *containedArea) const
             return splitter->sizes();
     }
 
-    return QList<int>();
+    return {};
 }
 
 void DockManager::setSplitterSizes(DockAreaWidget *containedArea, const QList<int> &sizes)
diff --git a/src/libs/aggregation/aggregate.h b/src/libs/aggregation/aggregate.h
index 4934191d44..0e210451e7 100644
--- a/src/libs/aggregation/aggregate.h
+++ b/src/libs/aggregation/aggregate.h
@@ -83,14 +83,14 @@ template <typename T> T *query(QObject *obj)
 template <typename T> QList<T *> query_all(Aggregate *obj)
 {
     if (!obj)
-        return QList<T *>();
+        return {};
     return obj->template components<T>();
 }
 
 template <typename T> QList<T *> query_all(QObject *obj)
 {
     if (!obj)
-        return QList<T *>();
+        return {};
     QReadLocker locker(&Aggregate::lock());
     Aggregate *parentAggregation = Aggregate::parentAggregate(obj);
     QList<T *> results;
diff --git a/src/libs/cplusplus/ResolveExpression.cpp b/src/libs/cplusplus/ResolveExpression.cpp
index 1ac35319bd..a120d5b736 100644
--- a/src/libs/cplusplus/ResolveExpression.cpp
+++ b/src/libs/cplusplus/ResolveExpression.cpp
@@ -231,7 +231,7 @@ QList<LookupItem> ResolveExpression::reference(ExpressionAST *ast, Scope *scope)
 QList<LookupItem> ResolveExpression::resolve(ExpressionAST *ast, Scope *scope, bool ref)
 {
     if (! scope)
-        return QList<LookupItem>();
+        return {};
 
     std::swap(_scope, scope);
     std::swap(_reference, ref);
diff --git a/src/libs/glsl/glslsymbol.cpp b/src/libs/glsl/glslsymbol.cpp
index 9b2630872c..fb1324aacf 100644
--- a/src/libs/glsl/glslsymbol.cpp
+++ b/src/libs/glsl/glslsymbol.cpp
@@ -52,5 +52,5 @@ Symbol *Scope::lookup(const QString &name) const
 
 QList<Symbol *> Scope::members() const
 {
-    return QList<Symbol *>();
+    return {};
 }
diff --git a/src/libs/modelinglib/qmt/model_controller/modelcontroller.cpp b/src/libs/modelinglib/qmt/model_controller/modelcontroller.cpp
index 3e38aabdf3..b363decd68 100644
--- a/src/libs/modelinglib/qmt/model_controller/modelcontroller.cpp
+++ b/src/libs/modelinglib/qmt/model_controller/modelcontroller.cpp
@@ -878,7 +878,7 @@ void ModelController::moveRelation(MObject *newOwner, MRelation *relation)
 
 QList<MRelation *> ModelController::findRelationsOfObject(const MObject *object) const
 {
-    QMT_ASSERT(object, return QList<MRelation *>());
+    QMT_ASSERT(object, return {});
     return m_objectRelationsMap.values(object->uid());
 }
 
diff --git a/src/libs/modelinglib/qmt/model_widgets_ui/classmembersedit.cpp b/src/libs/modelinglib/qmt/model_widgets_ui/classmembersedit.cpp
index d9146c038f..3f14eb93e5 100644
--- a/src/libs/modelinglib/qmt/model_widgets_ui/classmembersedit.cpp
+++ b/src/libs/modelinglib/qmt/model_widgets_ui/classmembersedit.cpp
@@ -429,7 +429,7 @@ QString ClassMembersEdit::build(const QList<MClassMember> &members)
 
 QList<MClassMember> ClassMembersEdit::parse(const QString &text, bool *ok)
 {
-    QMT_ASSERT(ok, return QList<MClassMember>());
+    QMT_ASSERT(ok, {});
 
     *ok = true;
     QList<MClassMember> members;
diff --git a/src/libs/qmljs/jsoncheck.cpp b/src/libs/qmljs/jsoncheck.cpp
index b7ce1443fb..366c150c95 100644
--- a/src/libs/qmljs/jsoncheck.cpp
+++ b/src/libs/qmljs/jsoncheck.cpp
@@ -29,7 +29,7 @@ JsonCheck::~JsonCheck()
 
 QList<Message> JsonCheck::operator ()(JsonSchema *schema)
 {
-    QTC_ASSERT(schema, return QList<Message>());
+    QTC_ASSERT(schema, return {});
 
     m_schema = schema;
 
diff --git a/src/libs/qmljs/qmljsdialect.cpp b/src/libs/qmljs/qmljsdialect.cpp
index 58b9771bcd..387c06a3ab 100644
--- a/src/libs/qmljs/qmljsdialect.cpp
+++ b/src/libs/qmljs/qmljsdialect.cpp
@@ -192,7 +192,7 @@ QList<Dialect> Dialect::companionLanguages() const
               << Dialect::QmlQtQuick2Ui << Dialect::Qml;
         break;
     case Dialect::NoLanguage:
-        return QList<Dialect>(); // return at least itself?
+        return {}; // return at least itself?
     }
     if (*this != Dialect::AnyLanguage)
         langs << Dialect::AnyLanguage;
diff --git a/src/libs/utils/differ.cpp b/src/libs/utils/differ.cpp
index 2d27de3f80..bc7dda6f30 100644
--- a/src/libs/utils/differ.cpp
+++ b/src/libs/utils/differ.cpp
@@ -578,7 +578,7 @@ static QList<Diff> decodeExpandedWhitespace(const QList<Diff> &input,
             const int replacementSize = it.value().first;
             const int reversePosition = diffCount + counter - it.key();
             if (reversePosition < replacementSize)
-                return QList<Diff>(); // replacement exceeds one Diff
+                return {}; // replacement exceeds one Diff
             const QString replacement = it.value().second;
             const int updatedDiffCount = diff.text.size();
             diff.text.replace(updatedDiffCount - reversePosition,
@@ -977,7 +977,7 @@ Differ::DiffMode Differ::diffMode() const
 QList<Diff> Differ::preprocess1AndDiff(const QString &text1, const QString &text2)
 {
     if (text1.isNull() && text2.isNull())
-        return QList<Diff>();
+        return {};
 
     if (text1 == text2) {
         QList<Diff> diffList;
@@ -1074,7 +1074,7 @@ QList<Diff> Differ::diffMyers(const QString &text1, const QString &text2)
         if (m_future && m_future->isCanceled()) {
             delete [] forwardV;
             delete [] reverseV;
-            return QList<Diff>();
+            return {};
         }
         // going forward
         for (int k = qMax(-d, kMinForward + qAbs(d + kMinForward) % 2);
diff --git a/src/libs/utils/wizard.cpp b/src/libs/utils/wizard.cpp
index ce37d80705..d80ef32c52 100644
--- a/src/libs/utils/wizard.cpp
+++ b/src/libs/utils/wizard.cpp
@@ -630,7 +630,7 @@ QList<WizardProgressItem *> WizardProgressPrivate::singlePathBetween(WizardProgr
     if (!item)
         item = m_startItem;
     if (!item)
-        return QList<WizardProgressItem *>();
+        return {};
 
     // Optimization. It is workaround for case A->B, B->C, A->C where "from" is A and "to" is C.
     // When we had X->A in addition and "from" was X and "to" was C, this would not work
@@ -666,7 +666,7 @@ QList<WizardProgressItem *> WizardProgressPrivate::singlePathBetween(WizardProgr
     while (itItem != itEnd) {
         path.prepend(itItem.key());
         if (itItem.value().count() != 1)
-            return QList<WizardProgressItem *>();
+            return {};
         it = itItem.value().constBegin().key();
         if (it == item)
             return path;
diff --git a/src/plugins/autotest/testtreeitem.cpp b/src/plugins/autotest/testtreeitem.cpp
index 69481b60ca..adfacf7731 100644
--- a/src/plugins/autotest/testtreeitem.cpp
+++ b/src/plugins/autotest/testtreeitem.cpp
@@ -331,7 +331,7 @@ ITestConfiguration *TestTreeItem::asConfiguration(TestRunMode mode) const
 
 QList<ITestConfiguration *> TestTreeItem::getTestConfigurationsForFile(const FilePath &) const
 {
-    return QList<ITestConfiguration *>();
+    return {};
 }
 
 bool TestTreeItem::isGroupNodeFor(const TestTreeItem *other) const
diff --git a/src/plugins/coreplugin/editormanager/documentmodel.cpp b/src/plugins/coreplugin/editormanager/documentmodel.cpp
index 090c7601e1..e8183401bf 100644
--- a/src/plugins/coreplugin/editormanager/documentmodel.cpp
+++ b/src/plugins/coreplugin/editormanager/documentmodel.cpp
@@ -590,7 +590,7 @@ QList<IEditor *> DocumentModel::editorsForFilePath(const Utils::FilePath &filePa
     IDocument *document = documentForFilePath(filePath);
     if (document)
         return editorsForDocument(document);
-    return QList<IEditor *>();
+    return {};
 }
 
 DocumentModel::Entry *DocumentModel::entryAtRow(int row)
diff --git a/src/plugins/coreplugin/sidebar.cpp b/src/plugins/coreplugin/sidebar.cpp
index c7a9b92264..e1cf32777b 100644
--- a/src/plugins/coreplugin/sidebar.cpp
+++ b/src/plugins/coreplugin/sidebar.cpp
@@ -42,7 +42,7 @@ QString SideBarItem::title() const
 
 QList<QToolButton *> SideBarItem::createToolBarWidgets()
 {
-    return QList<QToolButton *>();
+    return {};
 }
 
 struct SideBarPrivate {
diff --git a/src/plugins/cppeditor/cppoutline.cpp b/src/plugins/cppeditor/cppoutline.cpp
index 0d8883f631..bbb641dc95 100644
--- a/src/plugins/cppeditor/cppoutline.cpp
+++ b/src/plugins/cppeditor/cppoutline.cpp
@@ -112,7 +112,7 @@ CppOutlineWidget::CppOutlineWidget(CppEditorWidget *editor) :
 
 QList<QAction*> CppOutlineWidget::filterMenuActions() const
 {
-    return QList<QAction*>();
+    return {};
 }
 
 void CppOutlineWidget::setCursorSynchronization(bool syncWithCursor)
diff --git a/src/plugins/cppeditor/cppquickfix_test.cpp b/src/plugins/cppeditor/cppquickfix_test.cpp
index 18da315a76..3f292769f1 100644
--- a/src/plugins/cppeditor/cppquickfix_test.cpp
+++ b/src/plugins/cppeditor/cppquickfix_test.cpp
@@ -57,8 +57,7 @@ public:
 QList<TestDocumentPtr> singleDocument(const QByteArray &original,
                                                 const QByteArray &expected)
 {
-    return QList<TestDocumentPtr>()
-            << CppTestDocument::create("file.cpp", original, expected);
+    return {CppTestDocument::create("file.cpp", original, expected)};
 }
 
 BaseQuickFixTestCase::BaseQuickFixTestCase(const QList<TestDocumentPtr> &testDocuments,
diff --git a/src/plugins/cppeditor/cpptoolstestcase.cpp b/src/plugins/cppeditor/cpptoolstestcase.cpp
index 63949229ab..420e551847 100644
--- a/src/plugins/cppeditor/cpptoolstestcase.cpp
+++ b/src/plugins/cppeditor/cpptoolstestcase.cpp
@@ -332,7 +332,7 @@ QList<CPlusPlus::Document::Ptr> TestCase::waitForFilesInGlobalSnapshot(const Fil
                 break;
             }
             if (t.elapsed() > timeOutInMs)
-                return QList<CPlusPlus::Document::Ptr>();
+                return {};
             QCoreApplication::processEvents();
         }
     }
diff --git a/src/plugins/cppeditor/followsymbol_switchmethoddecldef_test.cpp b/src/plugins/cppeditor/followsymbol_switchmethoddecldef_test.cpp
index 0432985eaf..8ee45c8e79 100644
--- a/src/plugins/cppeditor/followsymbol_switchmethoddecldef_test.cpp
+++ b/src/plugins/cppeditor/followsymbol_switchmethoddecldef_test.cpp
@@ -174,7 +174,7 @@ private:
 
 QList<TestDocumentPtr> singleDocument(const QByteArray &source)
 {
-    return QList<TestDocumentPtr>() << CppTestDocument::create(source, "file.cpp");
+    return {CppTestDocument::create(source, "file.cpp")};
 }
 
 /**
diff --git a/src/plugins/debugger/analyzer/detailederrorview.cpp b/src/plugins/debugger/analyzer/detailederrorview.cpp
index 6817ef75f3..06941ac114 100644
--- a/src/plugins/debugger/analyzer/detailederrorview.cpp
+++ b/src/plugins/debugger/analyzer/detailederrorview.cpp
@@ -134,7 +134,7 @@ QList<QAction *> DetailedErrorView::commonActions() const
 
 QList<QAction *> DetailedErrorView::customActions() const
 {
-    return QList<QAction *>();
+    return {};
 }
 
 int DetailedErrorView::currentRow() const
diff --git a/src/plugins/projectexplorer/appoutputpane.cpp b/src/plugins/projectexplorer/appoutputpane.cpp
index 2255d96b5e..849c34e35c 100644
--- a/src/plugins/projectexplorer/appoutputpane.cpp
+++ b/src/plugins/projectexplorer/appoutputpane.cpp
@@ -299,7 +299,7 @@ QWidget *AppOutputPane::outputWidget(QWidget *)
     return m_tabWidget;
 }
 
-QList<QWidget*> AppOutputPane::toolBarWidgets() const
+QList<QWidget *> AppOutputPane::toolBarWidgets() const
 {
     return QList<QWidget *>{m_reRunButton, m_stopButton, m_attachButton, m_settingsButton,
                 m_formatterWidget} + IOutputPane::toolBarWidgets();
diff --git a/src/plugins/projectexplorer/kitinformation.cpp b/src/plugins/projectexplorer/kitinformation.cpp
index ea900407bf..2b881a4716 100644
--- a/src/plugins/projectexplorer/kitinformation.cpp
+++ b/src/plugins/projectexplorer/kitinformation.cpp
@@ -607,7 +607,7 @@ ToolChain *ToolChainKitAspect::cxxToolChain(const Kit *k)
 
 QList<ToolChain *> ToolChainKitAspect::toolChains(const Kit *k)
 {
-    QTC_ASSERT(k, return QList<ToolChain *>());
+    QTC_ASSERT(k, return {});
 
     const QVariantMap value = k->value(ToolChainKitAspect::id()).toMap();
     const QList<ToolChain *> tcList
diff --git a/src/plugins/qmakeprojectmanager/customwidgetwizard/plugingenerator.cpp b/src/plugins/qmakeprojectmanager/customwidgetwizard/plugingenerator.cpp
index 565766dff4..0a36120a64 100644
--- a/src/plugins/qmakeprojectmanager/customwidgetwizard/plugingenerator.cpp
+++ b/src/plugins/qmakeprojectmanager/customwidgetwizard/plugingenerator.cpp
@@ -55,8 +55,8 @@ static QString qt5PluginMetaData(const QString &interfaceName)
         + interfaceName + QLatin1String("\")");
 }
 
-QList<Core::GeneratedFile>  PluginGenerator::generatePlugin(const GenerationParameters& p, const PluginOptions &options,
-                                                            QString *errorMessage)
+QList<Core::GeneratedFile> PluginGenerator::generatePlugin(
+    const GenerationParameters& p, const PluginOptions &options, QString *errorMessage)
 {
     const QChar slash = QLatin1Char('/');
     const QChar blank = QLatin1Char(' ');
@@ -93,7 +93,7 @@ QList<Core::GeneratedFile>  PluginGenerator::generatePlugin(const GenerationPara
                 qt5PluginMetaData(QLatin1String("QDesignerCustomWidgetInterface")) : QString());
         const QString pluginHeaderContents = processTemplate(p.templatePath + QLatin1String("/tpl_single.h"), sm, errorMessage);
         if (pluginHeaderContents.isEmpty())
-            return QList<Core::GeneratedFile>();
+            return {};
         Core::GeneratedFile pluginHeader(baseDir / wo.pluginHeaderFile);
         pluginHeader.setContents(CppEditor::AbstractEditorSupport::licenseTemplate(
                                      project, FilePath::fromString(wo.pluginHeaderFile),
@@ -121,7 +121,7 @@ QList<Core::GeneratedFile>  PluginGenerator::generatePlugin(const GenerationPara
 
         const QString pluginSourceContents = processTemplate(p.templatePath + QLatin1String("/tpl_single.cpp"), sm, errorMessage);
         if (pluginSourceContents.isEmpty())
-            return QList<Core::GeneratedFile>();
+            return {};
         Core::GeneratedFile pluginSource(baseDir / wo.pluginSourceFile);
         pluginSource.setContents(CppEditor::AbstractEditorSupport::licenseTemplate(
                                      project,
@@ -157,7 +157,7 @@ QList<Core::GeneratedFile>  PluginGenerator::generatePlugin(const GenerationPara
                 if (pc.library != wo.widgetLibrary) {
                     *errorMessage = Tr::tr("Creating multiple widget libraries (%1, %2) in one project (%3) is not supported.")
                         .arg(pc.library, wo.widgetLibrary, wo.widgetProjectFile);
-                    return QList<Core::GeneratedFile>();
+                    return {};
                 }
             }
             pc.headers += blank + wo.widgetHeaderFile;
@@ -169,7 +169,7 @@ QList<Core::GeneratedFile>  PluginGenerator::generatePlugin(const GenerationPara
             sm.insert(QLatin1String("WIDGET_CLASS"), wo.widgetClassName);
             const QString widgetHeaderContents = processTemplate(p.templatePath + QLatin1String("/tpl_widget.h"), sm, errorMessage);
             if (widgetHeaderContents.isEmpty())
-                return QList<Core::GeneratedFile>();
+                return {};
             Core::GeneratedFile widgetHeader(baseDir / wo.widgetHeaderFile);
             widgetHeader.setContents(CppEditor::AbstractEditorSupport::licenseTemplate(
                                          project,
@@ -182,7 +182,7 @@ QList<Core::GeneratedFile>  PluginGenerator::generatePlugin(const GenerationPara
             sm.insert(QLatin1String("WIDGET_HEADER"), wo.widgetHeaderFile);
             const QString widgetSourceContents = processTemplate(p.templatePath + QLatin1String("/tpl_widget.cpp"), sm, errorMessage);
             if (widgetSourceContents.isEmpty())
-                return QList<Core::GeneratedFile>();
+                return {};
             Core::GeneratedFile widgetSource(baseDir / wo.widgetSourceFile);
             widgetSource.setContents(CppEditor::AbstractEditorSupport::licenseTemplate(
                                          project,
@@ -206,7 +206,7 @@ QList<Core::GeneratedFile>  PluginGenerator::generatePlugin(const GenerationPara
             sm.insert(QLatin1String("WIDGET_LIBRARY"), pc.library);
         const QString widgetPriContents = processTemplate(pc.tmpl, sm, errorMessage);
         if (widgetPriContents.isEmpty())
-            return QList<Core::GeneratedFile>();
+            return {};
         Core::GeneratedFile widgetPri(baseDir / it.key());
         widgetPri.setContents(widgetPriContents);
         rc.push_back(widgetPri);
@@ -220,7 +220,7 @@ QList<Core::GeneratedFile>  PluginGenerator::generatePlugin(const GenerationPara
         sm.insert(QLatin1String("COLLECTION_PLUGIN_METADATA"), qt5PluginMetaData(QLatin1String("QDesignerCustomWidgetCollectionInterface")));
         const QString collectionHeaderContents = processTemplate(p.templatePath + QLatin1String("/tpl_collection.h"), sm, errorMessage);
         if (collectionHeaderContents.isEmpty())
-            return QList<Core::GeneratedFile>();
+            return {};
         Core::GeneratedFile collectionHeader(baseDir / options.collectionHeaderFile);
         collectionHeader.setContents(CppEditor::AbstractEditorSupport::licenseTemplate(
                                          project,
@@ -238,7 +238,7 @@ QList<Core::GeneratedFile>  PluginGenerator::generatePlugin(const GenerationPara
         sm.insert(QLatin1String("PLUGIN_ADDITIONS"), pluginAdditions);
         const QString collectionSourceFileContents = processTemplate(p.templatePath + QLatin1String("/tpl_collection.cpp"), sm, errorMessage);
         if (collectionSourceFileContents.isEmpty())
-            return QList<Core::GeneratedFile>();
+            return {};
         Core::GeneratedFile collectionSource(baseDir / options.collectionSourceFile);
         collectionSource.setContents(CppEditor::AbstractEditorSupport::licenseTemplate(
                                          project,
@@ -263,7 +263,7 @@ QList<Core::GeneratedFile>  PluginGenerator::generatePlugin(const GenerationPara
                                                                   newIcon,
                                                                   errorMessage);
             if (iconFile.filePath().isEmpty())
-                return QList<Core::GeneratedFile>();
+                return {};
             rc.push_back(iconFile);
             icon = qfi.fileName();
         }
@@ -274,7 +274,7 @@ QList<Core::GeneratedFile>  PluginGenerator::generatePlugin(const GenerationPara
     sm.insert(QLatin1String("ICON_FILES"), iconFiles);
     const QString resourceFileContents = processTemplate(p.templatePath + QLatin1String("/tpl_resources.qrc"), sm, errorMessage);
     if (resourceFileContents.isEmpty())
-        return QList<Core::GeneratedFile>();
+        return {};
     Core::GeneratedFile resourceFile(baseDir / options.resourceFile);
     resourceFile.setContents(resourceFileContents);
     rc.push_back(resourceFile);
@@ -289,7 +289,7 @@ QList<Core::GeneratedFile>  PluginGenerator::generatePlugin(const GenerationPara
     sm.insert(QLatin1String("INCLUSIONS"), QStringList(Utils::toList(widgetProjects)).join(QLatin1Char('\n')));
     const QString proFileContents = processTemplate(p.templatePath + QLatin1String("/tpl_plugin.pro"), sm, errorMessage);
     if (proFileContents.isEmpty())
-        return QList<Core::GeneratedFile>();
+        return {};
     Core::GeneratedFile proFile(baseDir.pathAppended(p.fileName + ".pro"));
     proFile.setContents(proFileContents);
     proFile.setAttributes(Core::GeneratedFile::OpenProjectAttribute);
diff --git a/src/plugins/qmldesigner/components/formeditor/movetool.cpp b/src/plugins/qmldesigner/components/formeditor/movetool.cpp
index 76b8f9a5f6..0d486b0f4f 100644
--- a/src/plugins/qmldesigner/components/formeditor/movetool.cpp
+++ b/src/plugins/qmldesigner/components/formeditor/movetool.cpp
@@ -355,10 +355,9 @@ QList<FormEditorItem*> MoveTool::movingItems(const QList<FormEditorItem*> &selec
 
     if (ancestorItem != nullptr && ancestorItem->qmlItemNode().isRootNode()) {
 //        view()->changeToSelectionTool();
-        return QList<FormEditorItem*>();
+        return {};
     }
 
-
     if (ancestorItem != nullptr && ancestorItem->parentItem() != nullptr)  {
         QList<FormEditorItem*> ancestorItemList;
         ancestorItemList.append(ancestorItem);
@@ -367,7 +366,7 @@ QList<FormEditorItem*> MoveTool::movingItems(const QList<FormEditorItem*> &selec
 
     if (!haveSameParent(filteredItemList)) {
 //        view()->changeToSelectionTool();
-        return QList<FormEditorItem*>();
+        return {};
     }
 
     return filteredItemList;
diff --git a/src/plugins/qmldesigner/components/timelineeditor/preseteditor.cpp b/src/plugins/qmldesigner/components/timelineeditor/preseteditor.cpp
index 0dd61b61eb..0f12c6ce2d 100644
--- a/src/plugins/qmldesigner/components/timelineeditor/preseteditor.cpp
+++ b/src/plugins/qmldesigner/components/timelineeditor/preseteditor.cpp
@@ -434,7 +434,7 @@ QList<NamedEasingCurve> PresetList::storedCurves() const
     QVariant presetSettings = settings.value(Internal::settingsKey);
 
     if (!presetSettings.isValid())
-        return QList<NamedEasingCurve>();
+        return {};
 
     QList<QVariant> presets = presetSettings.toList();
 
diff --git a/src/plugins/qmldesigner/components/timelineeditor/timelineview.cpp b/src/plugins/qmldesigner/components/timelineeditor/timelineview.cpp
index b68dc98eaf..9cc45d1f33 100644
--- a/src/plugins/qmldesigner/components/timelineeditor/timelineview.cpp
+++ b/src/plugins/qmldesigner/components/timelineeditor/timelineview.cpp
@@ -482,7 +482,7 @@ QList<QmlTimeline> TimelineView::getTimelines() const
 QList<ModelNode> TimelineView::getAnimations(const QmlTimeline &timeline)
 {
     if (!timeline.isValid())
-        return QList<ModelNode>();
+        return {};
 
     if (isAttached()) {
         return Utils::filtered(timeline.modelNode().directSubModelNodes(),
diff --git a/src/plugins/qmldesigner/designercore/model/nodelistproperty.cpp b/src/plugins/qmldesigner/designercore/model/nodelistproperty.cpp
index 0822786467..4f8e84e8a4 100644
--- a/src/plugins/qmldesigner/designercore/model/nodelistproperty.cpp
+++ b/src/plugins/qmldesigner/designercore/model/nodelistproperty.cpp
@@ -68,13 +68,13 @@ QList<ModelNode> NodeListProperty::toModelNodeList() const
     if (internalNodeListProperty())
         return internalNodesToModelNodes(m_internalNodeListProperty->nodeList(), model(), view());
 
-    return QList<ModelNode>();
+    return {};
 }
 
 QList<QmlObjectNode> NodeListProperty::toQmlObjectNodeList() const
 {
     if (model()->nodeInstanceView())
-        return QList<QmlObjectNode>();
+        return {};
 
     QList<QmlObjectNode> qmlObjectNodeList;
 
diff --git a/src/plugins/squish/squishoutputpane.cpp b/src/plugins/squish/squishoutputpane.cpp
index 8c8047f47f..da0c8792c4 100644
--- a/src/plugins/squish/squishoutputpane.cpp
+++ b/src/plugins/squish/squishoutputpane.cpp
@@ -115,7 +115,7 @@ QWidget *SquishOutputPane::outputWidget(QWidget *parent)
 
 QList<QWidget *> SquishOutputPane::toolBarWidgets() const
 {
-    return QList<QWidget *>() << m_filterButton << m_expandAll << m_collapseAll;
+    return {m_filterButton, m_expandAll, m_collapseAll};
 }
 
 QString SquishOutputPane::displayName() const
diff --git a/src/plugins/todo/lineparser.cpp b/src/plugins/todo/lineparser.cpp
index 2dace7a4df..334bccfae0 100644
--- a/src/plugins/todo/lineparser.cpp
+++ b/src/plugins/todo/lineparser.cpp
@@ -79,7 +79,7 @@ QList<LineParser::KeywordEntry> LineParser::keywordEntriesFromCandidates(
 {
     // Ensure something is found
     if (candidates.isEmpty())
-        return QList<KeywordEntry>();
+        return {};
 
     // Convert candidates to entries
     std::vector<KeywordEntry> tmp;
diff --git a/src/tools/qml2puppet/qml2puppet/instances/objectnodeinstance.cpp b/src/tools/qml2puppet/qml2puppet/instances/objectnodeinstance.cpp
index 373bd6dbef..74a45b92b6 100644
--- a/src/tools/qml2puppet/qml2puppet/instances/objectnodeinstance.cpp
+++ b/src/tools/qml2puppet/qml2puppet/instances/objectnodeinstance.cpp
@@ -708,12 +708,12 @@ QString ObjectNodeInstance::instanceType(const PropertyName &name) const
 
 QList<ServerNodeInstance> ObjectNodeInstance::childItems() const
 {
-    return QList<ServerNodeInstance>();
+    return {};
 }
 
 QList<QQuickItem *> ObjectNodeInstance::allItemsRecursive() const
 {
-    return QList<QQuickItem *>();
+    return {};
 }
 
 QList<ServerNodeInstance> ObjectNodeInstance::stateInstances() const
@@ -728,7 +728,7 @@ QList<ServerNodeInstance> ObjectNodeInstance::stateInstances() const
         return instanceList;
     }
 
-    return QList<ServerNodeInstance>();
+    return {};
 }
 
 void ObjectNodeInstance::setNodeSource(const QString & /*source*/)
diff --git a/src/tools/qml2puppet/qml2puppet/instances/qt5nodeinstanceserver.cpp b/src/tools/qml2puppet/qml2puppet/instances/qt5nodeinstanceserver.cpp
index e520079a5d..813e40f4a3 100644
--- a/src/tools/qml2puppet/qml2puppet/instances/qt5nodeinstanceserver.cpp
+++ b/src/tools/qml2puppet/qml2puppet/instances/qt5nodeinstanceserver.cpp
@@ -202,7 +202,7 @@ const QList<QQuickItem*> Qt5NodeInstanceServer::allItems() const
     if (rootNodeInstance().isValid())
         return rootNodeInstance().allItemsRecursive();
 
-    return QList<QQuickItem*>();
+    return {};
 }
 
 bool Qt5NodeInstanceServer::rootIsRenderable3DObject() const