Fixed some whitespace style and cleaned up some code using C++11

extras/Projucer/Source/Application/jucer_GlobalPreferences.cpp

@@ -77,7 +77,7 @@ Identifier PathSettingsTab::getKeyForPropertyComponent (TextPropertyComponent* c
 
     // this property component does not have a key associated to it!
     jassertfalse;
-    return String();
+    return {};
 }
 
 Component* PathSettingsTab::getContent()

extras/Projucer/Source/Application/jucer_OpenDocumentManager.cpp

@@ -62,7 +62,7 @@ public:
     Component* createEditor() override                       { return new ItemPreviewComponent (file); }
     Component* createViewer() override                       { return createEditor(); }
     void fileHasBeenRenamed (const File& newFile) override   { file = newFile; }
-    String getState() const override                         { return String(); }
+    String getState() const override                         { return {}; }
     void restoreState (const String&) override               {}
 
     String getType() const override

extras/Projucer/Source/Application/jucer_ProjucerLicenses.h

@@ -87,7 +87,7 @@ struct ProjucerLicenses  : private DeletedAtShutdown
             return String::fromUTF8 (name);
         }
 
-        return String();
+        return {};
     }
 
     bool isDLLPresent() const

extras/Projucer/Source/BinaryData/jucer_AudioPluginFilterTemplate.cpp

@@ -76,7 +76,7 @@ void FILTERCLASSNAME::setCurrentProgram (int index)
 
 const String FILTERCLASSNAME::getProgramName (int index)
 {
-    return String();
+    return {};
 }
 
 void FILTERCLASSNAME::changeProgramName (int index, const String& newName)

extras/Projucer/Source/ComponentEditor/components/jucer_ComponentTypeHandler.cpp

@@ -523,7 +523,7 @@ void ComponentTypeHandler::fillInResizeCode (GeneratedCode& code, Component* com
 
 String ComponentTypeHandler::getCreationParameters (GeneratedCode&, Component*)
 {
-    return String();
+    return {};
 }
 
 void ComponentTypeHandler::fillInCreationCode (GeneratedCode& code, Component* component, const String& memberVariableName)

extras/Projucer/Source/ComponentEditor/components/jucer_SliderHandler.h

@@ -546,7 +546,7 @@ private:
                 default:    jassertfalse; break;
             }
 
-            return String();
+            return {};
         }
 
     private:
@@ -660,7 +660,7 @@ private:
             default:                                    jassertfalse; break;
         }
 
-        return String();
+        return {};
     }
 
     static Slider::SliderStyle sliderStringToStyle (const String& s)
@@ -685,7 +685,7 @@ private:
             default:                    jassertfalse; break;
         }
 
-        return String();
+        return {};
     }
 
     static Slider::TextEntryBoxPosition stringToTextBoxPos (const String& s)

extras/Projucer/Source/ComponentEditor/components/jucer_TabbedComponentHandler.h

@@ -147,7 +147,7 @@ public:
             default:                                jassertfalse; break;
         }
 
-        return String();
+        return {};
     }
 
     void fillInCreationCode (GeneratedCode& code, Component* component, const String& memberVariableName)

extras/Projucer/Source/ComponentEditor/jucer_ComponentLayout.cpp

@@ -715,7 +715,7 @@ void ComponentLayout::fillInGeneratedCode (GeneratedCode& code) const
 String ComponentLayout::getComponentMemberVariableName (Component* comp) const
 {
     if (comp == nullptr)
-        return String();
+        return {};
 
     String name (comp->getProperties() ["memberName"].toString());
 
@@ -775,7 +775,7 @@ String ComponentLayout::getUnusedMemberName (String nameRoot, Component* comp) c
 String ComponentLayout::getComponentVirtualClassName (Component* comp) const
 {
     if (comp == nullptr)
-        return String();
+        return {};
 
     return comp->getProperties() ["virtualName"];
 }

extras/Projucer/Source/ComponentEditor/paintelements/jucer_ColouredElement.cpp

@@ -377,7 +377,7 @@ public:
     String getResource() const
     {
         if (element == nullptr)
-            return String();
+            return {};
 
         if (isForStroke)
             return element->getStrokeType().fill.imageResourceName;

extras/Projucer/Source/ComponentEditor/paintelements/jucer_FillType.h

@@ -201,7 +201,7 @@ public:
             break;
         }
 
-        return String();
+        return {};
     }
 
     void restoreFromString (const String& s)

extras/Projucer/Source/ComponentEditor/paintelements/jucer_PaintElementImage.h

@@ -404,7 +404,7 @@ private:
             if (element != nullptr)
                 return element->getResource();
 
-            return String();
+            return {};
         }
     };
 

extras/Projucer/Source/ComponentEditor/properties/jucer_FontPropertyComponent.h

@@ -94,7 +94,7 @@ public:
 
     static String getTypefaceNameCode (const String& typefaceName)
     {
-        if (typefaceName == getDefaultFont())   return String();
+        if (typefaceName == getDefaultFont())   return {};
         if (typefaceName == getDefaultSans())   return "Font::getDefaultSansSerifFontName(), ";
         if (typefaceName == getDefaultSerif())  return "Font::getDefaultSerifFontName(), ";
         if (typefaceName == getDefaultMono())   return "Font::getDefaultMonospacedFontName(), ";

extras/Projucer/Source/Project Saving/jucer_ProjectExport_Android.h

@@ -488,7 +488,7 @@ private:
     }
 
     //==============================================================================
-    String getAppBuildGradleFileContent () const
+    String getAppBuildGradleFileContent() const
     {
         MemoryOutputStream mo;
         mo << "apply plugin: 'com.android." << (isLibrary() ? "library" : "application") << "'" << newLine << newLine;

extras/Projucer/Source/Project Saving/jucer_ProjectExport_CodeBlocks.h

@@ -214,7 +214,7 @@ private:
                                                     Array<var> (archFlags, numElementsInArray (archFlags))));
         }
 
-        String getLibrarySubdirPath () const override
+        String getLibrarySubdirPath() const override
         {
             const String archFlag = getArchitectureTypeVar();
 
@@ -227,7 +227,7 @@ private:
                 return "/i386";
 
             jassertfalse;
-            return String();
+            return {};
         }
     };
 
@@ -254,38 +254,35 @@ private:
 
         String getTargetSuffix() const
         {
-            const ProjectType::Target::TargetFileType fileType = getTargetFileType();
+            auto fileType = getTargetFileType();
 
             switch (fileType)
             {
-                case executable:
+                case executable:            return {};
-                    return "";
+                case staticLibrary:         return ".a";
-                case staticLibrary:
+                case sharedLibraryOrDLL:    return ".so";
-                    return ".a";
+
-                case sharedLibraryOrDLL:
-                    return ".so";
                 case pluginBundle:
                     switch (type)
-                {
+                    {
-                    case VST3PlugIn:
+                        case VST3PlugIn:    return ".vst3";
-                        return ".vst3";
+                        case VSTPlugIn:     return ".so";
-                    case VSTPlugIn:
+                        default:            break;
-                        return ".so";
+                    }
-                    default:
-                        break;
-                }
 
                     return ".so";
+
                 default:
                     break;
             }
 
-            return String();
+            return {};
         }
 
         bool isDynamicLibrary() const
         {
-            return (type == DynamicLibrary || type == VST3PlugIn || type == VSTPlugIn || type == AAXPlugIn);
+            return (type == DynamicLibrary || type == VST3PlugIn
+                     || type == VSTPlugIn || type == AAXPlugIn);
         }
     };
 

extras/Projucer/Source/Project Saving/jucer_ProjectExport_MSVC.h

@@ -163,10 +163,11 @@ public:
             }
         }
 
-        String getLibrarySubdirPath () const override
+        String getLibrarySubdirPath() const override
         {
-            auto result = String ("$(Platform)\\");
+            String result ("$(Platform)\\");
             result += isUsingRuntimeLibDLL() ? "MD" : "MT";
+
             if (isDebug())
                 result += "d";
 
@@ -246,31 +247,26 @@ public:
 
             switch (fileType)
             {
-            case executable:
+                case executable:            return ".exe";
-                return ".exe";
+                case staticLibrary:         return ".lib";
-            case staticLibrary:
+                case sharedLibraryOrDLL:    return ".dll";
-                return ".lib";
+
-            case sharedLibraryOrDLL:
+                case pluginBundle:
-                return ".dll";
+                    switch (type)
-            case pluginBundle:
+                    {
-                switch (type)
+                        case VST3PlugIn:    return ".vst3";
-                {
+                        case AAXPlugIn:     return ".aaxdll";
-                case VST3PlugIn:
+                        case RTASPlugIn:    return ".dpm";
-                    return ".vst3";
+                        default:            break;
-                case AAXPlugIn:
+                    }
-                    return ".aaxdll";
+
-                case RTASPlugIn:
+                    return ".dll";
-                    return ".dpm";
+
                 default:
                     break;
-                }
-
-                return ".dll";
-            default:
-                break;
             }
 
-            return String();
+            return {};
         }
 
         XmlElement* createToolElement (XmlElement& parent, const String& toolName) const
@@ -350,7 +346,7 @@ public:
                     createRebasedPath (bundleScript) + String (" \"") + macOSDir + String ("\" ") + createRebasedPath (iconFilePath);
             }
 
-            return String();
+            return {};
         }
 
         String getExtraPreBuildSteps (const MSVCBuildConfiguration& config) const
@@ -372,7 +368,7 @@ public:
                 return script;
             }
 
-            return String();
+            return {};
         }
 
         String getPostBuildSteps (const MSVCBuildConfiguration& config) const
@@ -418,9 +414,10 @@ public:
 
         String getExtraLinkerFlags() const
         {
-            if (type == RTASPlugIn) return "/FORCE:multiple";
+            if (type == RTASPlugIn)
+                return "/FORCE:multiple";
 
-            return String();
+            return {};
         }
 
         StringArray getExtraSearchPaths() const
@@ -533,7 +530,7 @@ public:
                                                             RelativePath::buildTargetFolder).toWindowsStyle());
             }
 
-            return String();
+            return {};
         }
 
         bool shouldUseRuntimeDLL (const MSVCBuildConfiguration& config) const
@@ -748,7 +745,7 @@ protected:
                 if (target->type == ProjectType::Target::SharedCodeTarget)
                     return target->getProjectGuid();
 
-        return String();
+        return {};
     }
 
     //==============================================================================
@@ -1067,9 +1064,10 @@ protected:
         return path.getFileNameWithoutExtension().startsWithIgnoreCase ("juce_audio_plugin_client_RTAS_");
     }
 
-    StringArray getModuleLibs () const
+    StringArray getModuleLibs() const
     {
         StringArray result;
+
         for (auto& lib : windowsLibs)
             result.add (lib + ".lib");
 
@@ -1487,7 +1485,7 @@ public:
     Value getPlatformToolsetValue()               { return getSetting (Ids::toolset); }
     Value getIPPLibraryValue()                    { return getSetting (Ids::IPPLibrary); }
     String getIPPLibrary() const                  { return settings [Ids::IPPLibrary]; }
-    virtual String getCppLanguageStandard() const { return String(); }
+    virtual String getCppLanguageStandard() const { return {}; }
 
     String getPlatformToolset() const
     {

extras/Projucer/Source/Project Saving/jucer_ProjectExport_Make.h

@@ -51,19 +51,21 @@ protected:
                                                     Array<var> (archFlags, numElementsInArray (archFlags))));
         }
 
-        String getLibrarySubdirPath () const override
+        String getLibrarySubdirPath() const override
         {
-            const String archFlag = getArchitectureTypeVar();
+            String archFlag = getArchitectureTypeVar();
+            String prefix ("-march=");
 
-            const auto prefix = String ("-march=");
             if (archFlag.startsWith (prefix))
                 return archFlag.substring (prefix.length());
-            else if (archFlag == "-m64")
+
+            if (archFlag == "-m64")
                 return "x86_64";
-            else if (archFlag == "-m32")
+
+            if (archFlag == "-m32")
                 return "i386";
-            else
+
-                return "$(shell uname -m)";
+            return "$(shell uname -m)";
         }
     };
 
@@ -86,7 +88,7 @@ public:
             if (type == AggregateTarget)
                 // the aggregate target should not specify any settings at all!
                 // it just defines dependencies on the other targets.
-                return StringArray();
+                return {};
 
             StringPairArray commonOptions  = owner.getAllPreprocessorDefs (config, ProjectType::Target::unspecified);
             StringPairArray targetSpecific = owner.getAllPreprocessorDefs (config, type);
@@ -140,17 +142,13 @@ public:
         {
             switch (type)
             {
-                case VSTPlugIn:
+                case VSTPlugIn:             return ".so";
-                    return ".so";
+                case VST3PlugIn:            return ".vst3";
-                case VST3PlugIn:
+                case SharedCodeTarget:      return ".a";
-                    return ".vst3";
+                default:                    break;
-                case SharedCodeTarget:
-                    return ".a";
-                default:
-                    break;
             }
 
-            return String();
+            return {};
         }
 
         String getTargetVarName() const

extras/Projucer/Source/Project Saving/jucer_ProjectExport_XCode.h

@@ -445,7 +445,7 @@ protected:
                        "Enable this to strip any locally defined symbols resulting in a smaller binary size. Enabling this will also remove any function names from crash logs. Must be disabled for static library projects.");
         }
 
-        String getLibrarySubdirPath () const override
+        String getLibrarySubdirPath() const override
         {
             return "${CURRENT_ARCH}";
         }
@@ -779,7 +779,7 @@ public:
             if (type == AggregateTarget)
                 // the aggregate target should not specify any settings at all!
                 // it just defines dependencies on the other targets.
-                return StringArray();
+                return {};
 
             StringArray s;
 
@@ -979,7 +979,7 @@ public:
                 case RTASPlugIn:        return config.rtasBinaryLocation.get();
                 case AAXPlugIn:         return config.aaxBinaryLocation.get();
                 case SharedCodeTarget:  return owner.isiOS() ? "@executable_path/Frameworks" : "@executable_path/../Frameworks";
-                default:                return String();
+                default:                return {};
             }
         }
 
@@ -2240,7 +2240,7 @@ private:
             }
         }
 
-        return String();
+        return {};
     }
 
     String getEntitlementsFileName() const
@@ -2328,7 +2328,7 @@ private:
                             xcodeTarget);
         }
 
-        return String();
+        return {};
     }
 
     String addFramework (const String& frameworkName) const
@@ -2475,7 +2475,7 @@ private:
             }
         }
 
-        return StringArray();
+        return {};
     }
 
     StringArray getNamesOfTargets() const

extras/Projucer/Source/Project Saving/jucer_ProjectExporter.cpp

@@ -873,5 +873,5 @@ String ProjectExporter::getExternalLibraryFlags (const BuildConfiguration& confi
     if (libraries.size() != 0)
         return replacePreprocessorTokens (config, "-l" + libraries.joinIntoString (" -l")).trim();
 
-    return String();
+    return {};
 }

extras/Projucer/Source/Project Saving/jucer_ProjectExporter.h

@@ -218,7 +218,7 @@ public:
         //==============================================================================
         virtual void createConfigProperties (PropertyListBuilder&) = 0;
         virtual var getDefaultOptimisationLevel() const = 0;
-        virtual String getLibrarySubdirPath() const         { return String(); }
+        virtual String getLibrarySubdirPath() const         { return {}; }
 
 
         //==============================================================================

extras/Projucer/Source/Project/jucer_ConfigTree_Base.h

@@ -137,7 +137,7 @@ private:
             c = c->getParentComponent();
         }
 
-        return String();
+        return {};
     }
 };
 

extras/Projucer/Source/Project/jucer_Module.cpp

@@ -81,7 +81,7 @@ static var parseModuleDesc (const File& header)
         }
     }
 
-    return var();
+    return {};
 }
 
 ModuleDescription::ModuleDescription (const File& folder)
@@ -135,13 +135,9 @@ ModuleList& ModuleList::operator= (const ModuleList& other)
 
 const ModuleDescription* ModuleList::getModuleWithID (const String& moduleID) const
 {
-    for (int i = 0; i < modules.size(); ++i)
+    for (auto* m : modules)
-    {
-        ModuleDescription* m = modules.getUnchecked(i);
-
         if (m->getID() == moduleID)
             return m;
-    }
 
     return nullptr;
 }
@@ -164,8 +160,8 @@ StringArray ModuleList::getIDs() const
 {
     StringArray results;
 
-    for (int i = 0; i < modules.size(); ++i)
+    for (auto* m : modules)
-        results.add (modules.getUnchecked(i)->getID());
+        results.add (m->getID());
 
     results.sort (true);
     return results;
@@ -174,6 +170,7 @@ StringArray ModuleList::getIDs() const
 Result ModuleList::tryToAddModuleFromFolder (const File& path)
 {
     ModuleDescription m (path);
+
     if (m.isValid())
     {
         modules.add (new ModuleDescription (m));

extras/Projucer/Source/Project/jucer_Project.cpp

@@ -855,7 +855,7 @@ String Project::Item::getFilePath() const
     if (isFile())
         return state [Ids::file].toString();
 
-    return String();
+    return {};
 }
 
 File Project::Item::getFile() const
@@ -1363,7 +1363,7 @@ String Project::getFileTemplate (const String& templateName)
         return String::fromUTF8 (data, dataSize);
 
     jassertfalse;
-    return String();
+    return {};
 
 }
 

extras/Projucer/Source/Project/jucer_ProjectTree_Base.h

@@ -235,7 +235,7 @@ public:
     bool mightContainSubItems() override                { return item.getNumChildren() > 0; }
     String getUniqueName() const override               { jassert (item.getID().isNotEmpty()); return item.getID(); }
     bool canBeSelected() const override                 { return true; }
-    String getTooltip() override                        { return String(); }
+    String getTooltip() override                        { return {}; }
     File getDraggableFile() const override              { return getFile(); }
 
     var getDragSourceDescription() override

extras/Projucer/Source/Utility/jucer_StoredSettings.cpp

@@ -251,7 +251,7 @@ String StoredSettings::getFallbackPath (const Identifier& key, DependencyPathOS
 
         // no RTAS on this OS!
         jassertfalse;
-        return String();
+        return {};
     }
 
     if (key == Ids::aaxPath)
@@ -261,7 +261,7 @@ String StoredSettings::getFallbackPath (const Identifier& key, DependencyPathOS
 
         // no AAX on this OS!
         jassertfalse;
-        return String();
+        return {};
     }
 
     if (key == Ids::androidSDKPath)
@@ -272,7 +272,7 @@ String StoredSettings::getFallbackPath (const Identifier& key, DependencyPathOS
 
     // didn't recognise the key provided!
     jassertfalse;
-    return String();
+    return {};
 }
 
 bool StoredSettings::isGlobalPathValid (const File& relativeTo, const Identifier& key, const String& path)

modules/juce_audio_basics/midi/juce_MidiMessage.cpp

@@ -1023,7 +1023,7 @@ String MidiMessage::getMidiNoteName (int note, bool useSharps, bool includeOctav
         return s;
     }
 
-    return String();
+    return {};
 }
 
 double MidiMessage::getMidiNoteInHertz (const int noteNumber, const double frequencyOfA) noexcept

modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.cpp

@@ -442,7 +442,7 @@ String AudioDeviceManager::setAudioDeviceSetup (const AudioDeviceSetup& newSetup
     jassert (&newSetup != &currentSetup);    // this will have no effect
 
     if (newSetup == currentSetup && currentAudioDevice != nullptr)
-        return String();
+        return {};
 
     if (! (newSetup == currentSetup))
         sendChangeMessage();
@@ -462,7 +462,7 @@ String AudioDeviceManager::setAudioDeviceSetup (const AudioDeviceSetup& newSetup
         if (treatAsChosenDevice)
             updateXml();
 
-        return String();
+        return {};
     }
 
     if (currentSetup.inputDeviceName != newInputDeviceName

modules/juce_audio_devices/native/juce_android_Midi.cpp

@@ -172,7 +172,7 @@ public:
             return juceString (string);
         }
 
-        return String();
+        return {};
     }
 
     String getOutputPortNameForJuceIndex (int idx)
@@ -183,7 +183,7 @@ public:
             return juceString (string);
         }
 
-        return String();
+        return {};
     }
 
     StringArray getDevices (bool input)
@@ -200,7 +200,7 @@ public:
             return javaStringArrayToJuce (devices);
         }
 
-        return StringArray();
+        return {};
     }
 
     AndroidMidiInput* openMidiInputPortWithIndex (int idx, MidiInput* juceMidiInput, juce::MidiInputCallback* callback)

modules/juce_audio_devices/native/juce_android_OpenSL.cpp

@@ -78,7 +78,7 @@ class SlObjectRef
 {
 public:
     //==============================================================================
-    SlObjectRef () noexcept {}
+    SlObjectRef() noexcept {}
     SlObjectRef (const SlObjectRef&  obj) noexcept : cb (obj.cb) {}
     SlObjectRef (SlObjectRef&& obj) noexcept : cb (static_cast<ReferenceCountedObjectPtr<ControlBlock>&&> (obj.cb)) { obj.cb = nullptr; }
     explicit SlObjectRef (SLObjectItf o) : cb (new ControlBlock (o)) {}
@@ -108,7 +108,7 @@ class SlRef : public SlObjectRef
 {
 public:
     //==============================================================================
-    SlRef () noexcept : type (nullptr) {}
+    SlRef() noexcept : type (nullptr) {}
     SlRef (SlRef& r)  noexcept : SlObjectRef (r), type (r.type) {}
     SlRef (SlRef&& r) noexcept : SlObjectRef (static_cast<SlRef&&> (r)), type (r.type) { r.type = nullptr; }
 
@@ -315,7 +315,7 @@ public:
             (*queue)->Clear (queue);
         }
 
-        void enqueueBuffer ()
+        void enqueueBuffer()
         {
             (*queue)->Enqueue (queue, getCurrentBuffer(), static_cast<SLuint32> (getBufferSizeInSamples() * sizeof (T)));
             ++numBlocksOut;
@@ -986,7 +986,7 @@ private:
         if (text.get() != 0)
             return juceString (text);
 
-        return String();
+        return {};
     }
 
     static bool androidHasSystemFeature (const String& property)

modules/juce_audio_devices/native/juce_linux_Midi.cpp

@@ -212,7 +212,7 @@ public:
         return instance;
     }
 
-    void registerCallback ()
+    void registerCallback()
     {
         if (inputThread == nullptr)
             inputThread = new MidiInputThread (*this);
@@ -221,7 +221,7 @@ public:
             inputThread->startThread();
     }
 
-    void unregisterCallback ()
+    void unregisterCallback()
     {
         jassert (activeCallbacks.get() > 0);
         if (--activeCallbacks == 0 && inputThread->isThreadRunning())
@@ -273,7 +273,7 @@ private:
     friend class ReferenceCountedObjectPtr<AlsaClient>;
     friend struct ContainerDeletePolicy<AlsaClient>;
 
-    AlsaClient ()
+    AlsaClient()
         : handle (nullptr),
           inputThread (nullptr)
     {
@@ -601,7 +601,7 @@ MidiInput* MidiInput::createNewDevice (const String& deviceName, MidiInputCallba
 
 // (These are just stub functions if ALSA is unavailable...)
 
-StringArray MidiOutput::getDevices()                                { return StringArray(); }
+StringArray MidiOutput::getDevices()                                { return {}; }
 int MidiOutput::getDefaultDeviceIndex()                             { return 0; }
 MidiOutput* MidiOutput::openDevice (int)                            { return nullptr; }
 MidiOutput* MidiOutput::createNewDevice (const String&)             { return nullptr; }
@@ -613,7 +613,7 @@ MidiInput::~MidiInput() {}
 void MidiInput::start() {}
 void MidiInput::stop()  {}
 int MidiInput::getDefaultDeviceIndex()      { return 0; }
-StringArray MidiInput::getDevices()         { return StringArray(); }
+StringArray MidiInput::getDevices()         { return {}; }
 MidiInput* MidiInput::openDevice (int, MidiInputCallback*)                  { return nullptr; }
 MidiInput* MidiInput::createNewDevice (const String&, MidiInputCallback*)   { return nullptr; }
 

modules/juce_audio_devices/native/juce_mac_CoreAudio.cpp

@@ -1284,7 +1284,7 @@ public:
         fifos.clear();
         startThread (9);
 
-        return String();
+        return {};
     }
 
     void close() override

modules/juce_audio_devices/native/juce_win32_DirectSound.cpp

@@ -358,7 +358,7 @@ public:
                                         hr = pOutputBuffer->Play (0, 0, 1 /* DSBPLAY_LOOPING */);
 
                                         if (SUCCEEDED (hr))
-                                            return String();
+                                            return {};
                                     }
                                 }
                             }
@@ -601,7 +601,7 @@ public:
                 hr = pInputBuffer->Start (1 /* DSCBSTART_LOOPING */);
 
                 if (SUCCEEDED (hr))
-                    return String();
+                    return {};
             }
         }
 

modules/juce_audio_devices/native/juce_win32_Midi.cpp

@@ -42,7 +42,7 @@ struct MidiServiceType
 
     struct OutputWrapper
     {
-        virtual ~OutputWrapper () {}
+        virtual ~OutputWrapper() {}
 
         virtual String getDeviceName() = 0;
 

modules/juce_audio_formats/codecs/juce_MP3AudioFormat.cpp

@@ -3131,12 +3131,12 @@ private:
 MP3AudioFormat::MP3AudioFormat()  : AudioFormat (MP3Decoder::mp3FormatName, ".mp3") {}
 MP3AudioFormat::~MP3AudioFormat() {}
 
-Array<int> MP3AudioFormat::getPossibleSampleRates() { return Array<int>(); }
+Array<int> MP3AudioFormat::getPossibleSampleRates() { return {}; }
-Array<int> MP3AudioFormat::getPossibleBitDepths()   { return Array<int>(); }
+Array<int> MP3AudioFormat::getPossibleBitDepths()   { return {}; }
 bool MP3AudioFormat::canDoStereo()                  { return true; }
 bool MP3AudioFormat::canDoMono()                    { return true; }
 bool MP3AudioFormat::isCompressed()                 { return true; }
-StringArray MP3AudioFormat::getQualityOptions()     { return StringArray(); }
+StringArray MP3AudioFormat::getQualityOptions()     { return {}; }
 
 AudioFormatReader* MP3AudioFormat::createReaderFor (InputStream* sourceStream, const bool deleteStreamIfOpeningFails)
 {

modules/juce_audio_formats/format/juce_AudioFormat.cpp

@@ -48,7 +48,7 @@ bool AudioFormat::canHandleFile (const File& f)
 const String& AudioFormat::getFormatName() const                { return formatName; }
 const StringArray& AudioFormat::getFileExtensions() const       { return fileExtensions; }
 bool AudioFormat::isCompressed()                                { return false; }
-StringArray AudioFormat::getQualityOptions()                    { return StringArray(); }
+StringArray AudioFormat::getQualityOptions()                    { return {}; }
 
 MemoryMappedAudioFormatReader* AudioFormat::createMemoryMappedReader (const File&)
 {

modules/juce_audio_plugin_client/Standalone/juce_StandaloneFilterWindow.h

@@ -105,7 +105,7 @@ public:
     static String getFilePatterns (const String& fileSuffix)
     {
         if (fileSuffix.isEmpty())
-            return String();
+            return {};
 
         return (fileSuffix.startsWithChar ('.') ? "*" : "*.") + fileSuffix;
     }

modules/juce_audio_plugin_client/VST3/juce_VST3_Wrapper.cpp

@@ -862,7 +862,7 @@ private:
     private:
         void timerCallback() override
         {
-            stopTimer ();
+            stopTimer();
 
             ViewRect viewRect;
             getSize (&viewRect);

modules/juce_audio_processors/format_types/juce_AudioUnitPluginFormat.mm

@@ -882,7 +882,7 @@ public:
         if (isPositiveAndBelow (index, getTotalNumInputChannels()))
             return "Input " + String (index + 1);
 
-        return String();
+        return {};
     }
 
     const String getOutputChannelName (int index) const override
@@ -890,7 +890,7 @@ public:
         if (isPositiveAndBelow (index, getTotalNumOutputChannels()))
             return "Output " + String (index + 1);
 
-        return String();
+        return {};
     }
 
     bool isInputChannelStereoPair (int index) const override    { return isPositiveAndBelow (index, getTotalNumInputChannels()); }
@@ -972,17 +972,17 @@ public:
 
     const String getParameterName (int index) override
     {
-        if (const ParamInfo* p = parameters[index])
+        if (auto* p = parameters[index])
             return p->name;
 
-        return String();
+        return {};
     }
 
     const String getParameterText (int index) override   { return String (getParameter (index)); }
 
     bool isParameterAutomatable (int index) const override
     {
-        if (const ParamInfo* p = parameters[index])
+        if (auto* p = parameters[index])
             return p->automatable;
 
         return false;

modules/juce_audio_processors/format_types/juce_LADSPAPluginFormat.cpp

@@ -338,7 +338,7 @@ public:
         if (isPositiveAndBelow (index, getTotalNumInputChannels()))
             return String (plugin->PortNames [inputs [index]]).trim();
 
-        return String();
+        return {};
     }
 
     const String getOutputChannelName (const int index) const
@@ -346,7 +346,7 @@ public:
         if (isPositiveAndBelow (index, getTotalNumInputChannels()))
             return String (plugin->PortNames [outputs [index]]).trim();
 
-        return String();
+        return {};
     }
 
     //==============================================================================
@@ -390,7 +390,7 @@ public:
             return String (plugin->PortNames [parameters [index]]).trim();
         }
 
-        return String();
+        return {};
     }
 
     const String getParameterText (int index)
@@ -407,7 +407,7 @@ public:
             return String (parameterValues[index].scaled, 4);
         }
 
-        return String();
+        return {};
     }
 
     //==============================================================================
@@ -424,7 +424,7 @@ public:
     const String getProgramName (int index)
     {
         // XXX
-        return String();
+        return {};
     }
 
     void changeProgramName (int index, const String& newName)

modules/juce_audio_processors/format_types/juce_VST3PluginFormat.cpp

@@ -2131,7 +2131,7 @@ public:
                 return toString (busInfo.name);
         }
 
-        return String();
+        return {};
     }
 
     const String getInputChannelName  (int channelIndex) const override   { return getChannelName (channelIndex, true, true); }
@@ -2223,7 +2223,7 @@ public:
             return toString (result);
         }
 
-        return String();
+        return {};
     }
 
     void setParameter (int parameterIndex, float newValue) override

modules/juce_audio_processors/format_types/juce_VSTPluginFormat.cpp

@@ -470,7 +470,7 @@ public:
             }
         }
 
-        return String();
+        return {};
     }
    #endif
   #else
@@ -981,7 +981,7 @@ public:
                 return String (pinProps.text, sizeof (pinProps.text));
         }
 
-        return String();
+        return {};
     }
 
     bool isInputChannelStereoPair (int index) const override
@@ -1005,7 +1005,7 @@ public:
                 return String (pinProps.text, sizeof (pinProps.text));
         }
 
-        return String();
+        return {};
     }
 
     bool isOutputChannelStereoPair (int index) const override
@@ -1810,7 +1810,7 @@ private:
     String getTextForOpcode (const int index, const VstHostToPlugInOpcodes opcode) const
     {
         if (vstEffect == nullptr)
-            return String();
+            return {};
 
         jassert (index >= 0 && index < vstEffect->numParameters);
         char nm[256] = { 0 };

modules/juce_audio_processors/processors/juce_AudioProcessor.cpp

@@ -471,7 +471,7 @@ void AudioProcessor::sendParamChangeMessageToListeners (const int parameterIndex
     if (isPositiveAndBelow (parameterIndex, getNumParameters()))
     {
         for (int i = listeners.size(); --i >= 0;)
-            if (AudioProcessorListener* l = getListenerLocked (i))
+            if (auto* l = getListenerLocked (i))
                 l->audioProcessorParameterChanged (this, parameterIndex, newValue);
     }
     else
@@ -492,7 +492,7 @@ void AudioProcessor::beginParameterChangeGesture (int parameterIndex)
        #endif
 
         for (int i = listeners.size(); --i >= 0;)
-            if (AudioProcessorListener* l = getListenerLocked (i))
+            if (auto* l = getListenerLocked (i))
                 l->audioProcessorParameterChangeGestureBegin (this, parameterIndex);
     }
     else
@@ -542,7 +542,7 @@ int AudioProcessor::getNumParameters()
 
 float AudioProcessor::getParameter (int index)
 {
-    if (AudioProcessorParameter* p = getParamChecked (index))
+    if (auto* p = getParamChecked (index))
         return p->getValue();
 
     return 0;
@@ -550,13 +550,13 @@ float AudioProcessor::getParameter (int index)
 
 void AudioProcessor::setParameter (int index, float newValue)
 {
-    if (AudioProcessorParameter* p = getParamChecked (index))
+    if (auto* p = getParamChecked (index))
         p->setValue (newValue);
 }
 
 float AudioProcessor::getParameterDefaultValue (int index)
 {
-    if (AudioProcessorParameter* p = managedParameters[index])
+    if (auto* p = managedParameters[index])
         return p->getDefaultValue();
 
     return 0;
@@ -564,16 +564,16 @@ float AudioProcessor::getParameterDefaultValue (int index)
 
 const String AudioProcessor::getParameterName (int index)
 {
-    if (AudioProcessorParameter* p = getParamChecked (index))
+    if (auto* p = getParamChecked (index))
         return p->getName (512);
 
-    return String();
+    return {};
 }
 
 String AudioProcessor::getParameterID (int index)
 {
     // Don't use getParamChecked here, as this must also work for legacy plug-ins
-    if (AudioProcessorParameterWithID* p = dynamic_cast<AudioProcessorParameterWithID*> (managedParameters[index]))
+    if (auto* p = dynamic_cast<AudioProcessorParameterWithID*> (managedParameters[index]))
         return p->paramID;
 
     return String (index);
@@ -581,7 +581,7 @@ String AudioProcessor::getParameterID (int index)
 
 String AudioProcessor::getParameterName (int index, int maximumStringLength)
 {
-    if (AudioProcessorParameter* p = managedParameters[index])
+    if (auto* p = managedParameters[index])
         return p->getName (maximumStringLength);
 
     return getParameterName (index).substring (0, maximumStringLength);
@@ -601,7 +601,7 @@ const String AudioProcessor::getParameterText (int index)
 
 String AudioProcessor::getParameterText (int index, int maximumStringLength)
 {
-    if (AudioProcessorParameter* p = managedParameters[index])
+    if (auto* p = managedParameters[index])
         return p->getText (p->getValue(), maximumStringLength);
 
     return getParameterText (index).substring (0, maximumStringLength);
@@ -609,7 +609,7 @@ String AudioProcessor::getParameterText (int index, int maximumStringLength)
 
 int AudioProcessor::getParameterNumSteps (int index)
 {
-    if (AudioProcessorParameter* p = managedParameters[index])
+    if (auto* p = managedParameters[index])
         return p->getNumSteps();
 
     return AudioProcessor::getDefaultNumParameterSteps();
@@ -622,15 +622,15 @@ int AudioProcessor::getDefaultNumParameterSteps() noexcept
 
 String AudioProcessor::getParameterLabel (int index) const
 {
-    if (AudioProcessorParameter* p = managedParameters[index])
+    if (auto* p = managedParameters[index])
         return p->getLabel();
 
-    return String();
+    return {};
 }
 
 bool AudioProcessor::isParameterAutomatable (int index) const
 {
-    if (AudioProcessorParameter* p = managedParameters[index])
+    if (auto* p = managedParameters[index])
         return p->isAutomatable();
 
     return true;
@@ -638,7 +638,7 @@ bool AudioProcessor::isParameterAutomatable (int index) const
 
 bool AudioProcessor::isParameterOrientationInverted (int index) const
 {
-    if (AudioProcessorParameter* p = managedParameters[index])
+    if (auto* p = managedParameters[index])
         return p->isOrientationInverted();
 
     return false;
@@ -646,7 +646,7 @@ bool AudioProcessor::isParameterOrientationInverted (int index) const
 
 bool AudioProcessor::isMetaParameter (int index) const
 {
-    if (AudioProcessorParameter* p = managedParameters[index])
+    if (auto* p = managedParameters[index])
         return p->isMetaParameter();
 
     return false;
@@ -654,7 +654,7 @@ bool AudioProcessor::isMetaParameter (int index) const
 
 AudioProcessorParameter::Category AudioProcessor::getParameterCategory (int index) const
 {
-    if (AudioProcessorParameter* p = managedParameters[index])
+    if (auto* p = managedParameters[index])
         return p->getCategory();
 
     return AudioProcessorParameter::genericParameter;

modules/juce_audio_processors/processors/juce_AudioProcessorGraph.cpp

@@ -1527,7 +1527,7 @@ const String AudioProcessorGraph::AudioGraphIOProcessor::getName() const
         default:                break;
     }
 
-    return String();
+    return {};
 }
 
 void AudioProcessorGraph::AudioGraphIOProcessor::fillInPluginDescription (PluginDescription& d) const
@@ -1649,7 +1649,7 @@ int AudioProcessorGraph::AudioGraphIOProcessor::getNumPrograms()
 int AudioProcessorGraph::AudioGraphIOProcessor::getCurrentProgram()                 { return 0; }
 void AudioProcessorGraph::AudioGraphIOProcessor::setCurrentProgram (int)            { }
 
-const String AudioProcessorGraph::AudioGraphIOProcessor::getProgramName (int)       { return String(); }
+const String AudioProcessorGraph::AudioGraphIOProcessor::getProgramName (int)       { return {}; }
 void AudioProcessorGraph::AudioGraphIOProcessor::changeProgramName (int, const String&) {}
 
 void AudioProcessorGraph::AudioGraphIOProcessor::getStateInformation (juce::MemoryBlock&) {}

modules/juce_audio_processors/processors/juce_AudioProcessorGraph.h

@@ -365,7 +365,7 @@ public:
     int getNumPrograms() override                           { return 0; }
     int getCurrentProgram() override                        { return 0; }
     void setCurrentProgram (int) override                   { }
-    const String getProgramName (int) override              { return String(); }
+    const String getProgramName (int) override              { return {}; }
     void changeProgramName (int, const String&) override    { }
     void getStateInformation (juce::MemoryBlock&) override;
     void setStateInformation (const void* data, int sizeInBytes) override;

modules/juce_audio_utils/gui/juce_MidiKeyboardComponent.cpp

@@ -558,7 +558,7 @@ String MidiKeyboardComponent::getWhiteNoteText (const int midiNoteNumber)
     if (midiNoteNumber % 12 == 0)
         return MidiMessage::getMidiNoteName (midiNoteNumber, true, true, octaveNumForMiddleC);
 
-    return String();
+    return {};
 }
 
 void MidiKeyboardComponent::drawUpDownButton (Graphics& g, int w, int h,

modules/juce_audio_utils/native/juce_android_BluetoothMidiDevicePairingDialogue.cpp

@@ -56,7 +56,7 @@ struct AndroidBluetoothMidiInterface
 
         // if this is null then bluetooth is not enabled
         if (btManager.get() == nullptr)
-            return StringArray();
+            return {};
 
         jobjectArray jDevices = (jobjectArray) env->CallObjectMethod (btManager.get(),
                                                                       AndroidBluetoothManager.getMidiBluetoothAddresses);

modules/juce_audio_utils/native/juce_mac_AudioCDBurner.mm

@@ -254,7 +254,7 @@ struct OpenDiskDevice
 
         [device releaseMediaReservation];
         [device releaseExclusiveAccess];
-        return String();
+        return {};
     }
 
     DRDevice* device;

modules/juce_audio_utils/players/juce_SoundPlayer.h

@@ -35,7 +35,7 @@ class JUCE_API  SoundPlayer             : public AudioIODeviceCallback
 {
 public:
     //==============================================================================
-    SoundPlayer ();
+    SoundPlayer();
 
     /** Destructor. */
     virtual ~SoundPlayer();

modules/juce_core/containers/juce_DynamicObject.cpp

@@ -69,10 +69,10 @@ bool DynamicObject::hasMethod (const Identifier& methodName) const
 
 var DynamicObject::invokeMethod (Identifier method, const var::NativeFunctionArgs& args)
 {
-    if (var::NativeFunction function = properties [method].getNativeFunction())
+    if (auto function = properties [method].getNativeFunction())
         return function (args);
 
-    return var();
+    return {};
 }
 
 void DynamicObject::setMethod (Identifier name, var::NativeFunction function)
@@ -88,7 +88,7 @@ void DynamicObject::clear()
 void DynamicObject::cloneAllProperties()
 {
     for (int i = properties.size(); --i >= 0;)
-        if (var* v = properties.getVarPointerAt (i))
+        if (auto* v = properties.getVarPointerAt (i))
             *v = v->clone();
 }
 

modules/juce_core/containers/juce_ListenerList.cpp

@@ -33,7 +33,7 @@
 struct ListenerBase
 {
     ListenerBase (int& counter) : c (counter) {}
-    virtual ~ListenerBase () {}
+    virtual ~ListenerBase() {}
 
     virtual void f () = 0;
     virtual void f (void*) = 0;

modules/juce_core/containers/juce_Variant.cpp

@@ -51,7 +51,7 @@ public:
     virtual int toInt (const ValueUnion&) const noexcept                        { return 0; }
     virtual int64 toInt64 (const ValueUnion&) const noexcept                    { return 0; }
     virtual double toDouble (const ValueUnion&) const noexcept                  { return 0; }
-    virtual String toString (const ValueUnion&) const                           { return String(); }
+    virtual String toString (const ValueUnion&) const                           { return {}; }
     virtual bool toBool (const ValueUnion&) const noexcept                      { return false; }
     virtual ReferenceCountedObject* toObject (const ValueUnion&) const noexcept { return nullptr; }
     virtual Array<var>* toArray (const ValueUnion&) const noexcept              { return nullptr; }
@@ -291,7 +291,7 @@ public:
             return d->clone().get();
 
         jassertfalse; // can only clone DynamicObjects!
-        return var();
+        return {};
     }
 
     void writeToStream (const ValueUnion&, OutputStream& output) const override
@@ -314,7 +314,7 @@ public:
 
     Array<var>* toArray (const ValueUnion& data) const noexcept override
     {
-        if (RefCountedArray* a = dynamic_cast<RefCountedArray*> (data.objectValue))
+        if (auto* a = dynamic_cast<RefCountedArray*> (data.objectValue))
             return &(a->array);
 
         return nullptr;
@@ -331,7 +331,7 @@ public:
     {
         Array<var> arrayCopy;
 
-        if (const Array<var>* array = toArray (original.value))
+        if (auto* array = toArray (original.value))
             for (int i = 0; i < array->size(); ++i)
                 arrayCopy.add (array->getReference(i).clone());
 
@@ -340,7 +340,7 @@ public:
 
     void writeToStream (const ValueUnion& data, OutputStream& output) const override
     {
-        if (const Array<var>* array = toArray (data))
+        if (auto* array = toArray (data))
         {
             MemoryOutputStream buffer (512);
             const int numItems = array->size();
@@ -593,7 +593,7 @@ var var::clone() const noexcept
 //==============================================================================
 const var& var::operator[] (const Identifier& propertyName) const
 {
-    if (DynamicObject* const o = getDynamicObject())
+    if (auto* o = getDynamicObject())
         return o->getProperty (propertyName);
 
     return getNullVarRef();
@@ -606,7 +606,7 @@ const var& var::operator[] (const char* const propertyName) const
 
 var var::getProperty (const Identifier& propertyName, const var& defaultReturnValue) const
 {
-    if (DynamicObject* const o = getDynamicObject())
+    if (auto* o = getDynamicObject())
         return o->getProperties().getWithDefault (propertyName, defaultReturnValue);
 
     return defaultReturnValue;
@@ -619,10 +619,10 @@ var::NativeFunction var::getNativeFunction() const
 
 var var::invoke (const Identifier& method, const var* arguments, int numArguments) const
 {
-    if (DynamicObject* const o = getDynamicObject())
+    if (auto* o = getDynamicObject())
         return o->invokeMethod (method, var::NativeFunctionArgs (*this, arguments, numArguments));
 
-    return var();
+    return {};
 }
 
 var var::call (const Identifier& method) const
@@ -662,7 +662,7 @@ var var::call (const Identifier& method, const var& arg1, const var& arg2, const
 //==============================================================================
 int var::size() const
 {
-    if (const Array<var>* const array = getArray())
+    if (auto* array = getArray())
         return array->size();
 
     return 0;
@@ -670,7 +670,7 @@ int var::size() const
 
 const var& var::operator[] (int arrayIndex) const
 {
-    const Array<var>* const array = getArray();
+    auto* array = getArray();
 
     // When using this method, the var must actually be an array, and the index
     // must be in-range!
@@ -681,7 +681,7 @@ const var& var::operator[] (int arrayIndex) const
 
 var& var::operator[] (int arrayIndex)
 {
-    const Array<var>* const array = getArray();
+    auto* array = getArray();
 
     // When using this method, the var must actually be an array, and the index
     // must be in-range!
@@ -692,7 +692,7 @@ var& var::operator[] (int arrayIndex)
 
 Array<var>* var::convertToArray()
 {
-    if (Array<var>* array = getArray())
+    if (auto* array = getArray())
         return array;
 
     Array<var> tempVar;
@@ -710,7 +710,7 @@ void var::append (const var& n)
 
 void var::remove (const int index)
 {
-    if (Array<var>* const array = getArray())
+    if (auto* const array = getArray())
         array->remove (index);
 }
 
@@ -726,7 +726,7 @@ void var::resize (const int numArrayElementsWanted)
 
 int var::indexOf (const var& n) const
 {
-    if (const Array<var>* const array = getArray())
+    if (auto* const array = getArray())
         return array->indexOf (n);
 
     return -1;
@@ -774,7 +774,7 @@ var var::readFromStream (InputStream& input)
             case varMarker_Array:
             {
                 var v;
-                Array<var>* const destArray = v.convertToArray();
+                auto* destArray = v.convertToArray();
 
                 for (int i = input.readCompressedInt(); --i >= 0;)
                     destArray->add (readFromStream (input));
@@ -787,7 +787,7 @@ var var::readFromStream (InputStream& input)
         }
     }
 
-    return var();
+    return {};
 }
 
 var::NativeFunctionArgs::NativeFunctionArgs (const var& t, const var* args, int numArgs) noexcept

modules/juce_core/files/juce_File.cpp

@@ -114,7 +114,7 @@ static String removeEllipsis (const String& path)
 String File::parseAbsolutePath (const String& p)
 {
     if (p.isEmpty())
-        return String();
+        return {};
 
 #if JUCE_WINDOWS
     // Windows..
@@ -548,7 +548,7 @@ bool File::loadFileAsData (MemoryBlock& destBlock) const
 String File::loadFileAsString() const
 {
     if (! existsAsFile())
-        return String();
+        return {};
 
     FileInputStream in (*this);
     return in.openedOk() ? in.readEntireStreamAsString()
@@ -667,7 +667,7 @@ String File::getFileExtension() const
     if (indexOfDot > fullPath.lastIndexOfChar (separator))
         return fullPath.substring (indexOfDot);
 
-    return String();
+    return {};
 }
 
 bool File::hasFileExtension (StringRef possibleSuffix) const

modules/juce_core/javascript/juce_JSON.cpp

@@ -590,7 +590,7 @@ public:
     {
         switch (r.nextInt (depth > 3 ? 6 : 8))
         {
-            case 0:     return var();
+            case 0:     return {};
             case 1:     return r.nextInt();
             case 2:     return r.nextInt64();
             case 3:     return r.nextBool();
@@ -618,7 +618,7 @@ public:
             }
 
             default:
-                return var();
+                return {};
         }
     }
 

modules/juce_core/javascript/juce_Javascript.cpp

@@ -158,7 +158,7 @@ struct JavascriptEngine::RootObject   : public DynamicObject
 
                 // if there's a class with an overridden DynamicObject::hasMethod, this avoids an error
                 if (o->hasMethod (functionName))
-                    return var();
+                    return {};
             }
 
             if (targetObject.isString())
@@ -517,7 +517,7 @@ struct JavascriptEngine::RootObject   : public DynamicObject
         }
 
         var throwError (const char* typeName) const
-            { location.throwError (getTokenName (operation) + " is not allowed on the " + typeName + " type"); return var(); }
+            { location.throwError (getTokenName (operation) + " is not allowed on the " + typeName + " type"); return {}; }
     };
 
     struct EqualsOp  : public BinaryOperator
@@ -757,7 +757,7 @@ struct JavascriptEngine::RootObject   : public DynamicObject
                     if (o->hasMethod (dot->child)) // allow an overridden DynamicObject::invokeMethod to accept a method call.
                         return o->invokeMethod (dot->child, args);
 
-            location.throwError ("This expression is not a function!"); return var();
+            location.throwError ("This expression is not a function!"); return {};
         }
 
         ExpPtr object;

modules/juce_core/maths/juce_BigInteger.cpp

@@ -1135,7 +1135,7 @@ String BigInteger::toString (const int base, const int minimumNumCharacters) con
     else
     {
         jassertfalse; // can't do the specified base!
-        return String();
+        return {};
     }
 
     s = s.paddedLeft ('0', minimumNumCharacters);

modules/juce_core/maths/juce_Expression.cpp

@@ -55,7 +55,7 @@ public:
     virtual String getName() const
     {
         jassertfalse; // You shouldn't call this for an expression that's not actually a function!
-        return String();
+        return {};
     }
 
     virtual void renameSymbol (const Symbol& oldSymbol, const String& newName, const Scope& scope, int recursionDepth)
@@ -1173,5 +1173,5 @@ void Expression::Scope::visitRelativeScope (const String& scopeName, Visitor&) c
 
 String Expression::Scope::getScopeUID() const
 {
-    return String();
+    return {};
 }

modules/juce_core/native/juce_android_Files.cpp

@@ -45,7 +45,7 @@ bool File::isOnRemovableDrive() const
 
 String File::getVersion() const
 {
-    return String();
+    return {};
 }
 
 static File getSpecialFile (jmethodID type)

modules/juce_core/native/juce_android_SystemStats.cpp

@@ -257,7 +257,7 @@ String SystemStats::getLogonName()
     if (struct passwd* const pw = getpwuid (getuid()))
         return CharPointer_UTF8 (pw->pw_name);
 
-    return String();
+    return {};
 }
 
 String SystemStats::getFullUserName()
@@ -271,7 +271,7 @@ String SystemStats::getComputerName()
     if (gethostname (name, sizeof (name) - 1) == 0)
         return name;
 
-    return String();
+    return {};
 }
 
 

modules/juce_core/native/juce_curl_Network.cpp

@@ -143,7 +143,7 @@ public:
     }
 
     //==============================================================================
-    bool setOptions ()
+    bool setOptions()
     {
         const String address = url.toString (! isPost);
 
@@ -209,7 +209,7 @@ public:
 
     bool connect (WebInputStream::Listener* webInputListener)
     {
-        if (! setOptions ())
+        if (! setOptions())
         {
             cleanup();
             return false;

modules/juce_core/native/juce_linux_Files.cpp

@@ -74,7 +74,7 @@ bool File::isOnRemovableDrive() const
 
 String File::getVersion() const
 {
-    return String(); // xxx not yet implemented
+    return {}; // xxx not yet implemented
 }
 
 //==============================================================================

modules/juce_core/native/juce_linux_Network.cpp

@@ -428,7 +428,7 @@ private:
         {
             char c = 0;
             if (read (&c, 1) != 1)
-                return String();
+                return {};
 
             buffer.writeByte (c);
 
@@ -443,7 +443,7 @@ private:
         if (header.startsWithIgnoreCase ("HTTP/"))
             return header;
 
-        return String();
+        return {};
     }
 
     static void writeValueIfNotPresent (MemoryOutputStream& dest, const String& headers, const String& key, const String& value)
@@ -561,7 +561,7 @@ private:
             if (lines[i].startsWithIgnoreCase (itemName))
                 return lines[i].substring (itemName.length()).trim();
 
-        return String();
+        return {};
     }
 
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Pimpl)

modules/juce_core/native/juce_linux_SystemStats.cpp

@@ -109,7 +109,7 @@ String SystemStats::getLogonName()
     if (struct passwd* const pw = getpwuid (getuid()))
         return CharPointer_UTF8 (pw->pw_name);
 
-    return String();
+    return {};
 }
 
 String SystemStats::getFullUserName()
@@ -123,7 +123,7 @@ String SystemStats::getComputerName()
     if (gethostname (name, sizeof (name) - 1) == 0)
         return name;
 
-    return String();
+    return {};
 }
 
 static String getLocaleValue (nl_item key)

modules/juce_core/native/juce_mac_Files.mm

@@ -273,7 +273,7 @@ String File::getVersion() const
                     return nsStringToJuce (name);
     }
 
-    return String();
+    return {};
 }
 
 //==============================================================================

modules/juce_core/native/juce_mac_Network.mm

@@ -613,7 +613,7 @@ struct BackgroundDownloadTask  : public URL::DownloadTask
 
         static void didBecomeInvalidWithError (id self, SEL, NSURLSession*, NSURLSessionTask*, NSError*)
         {
-            if (auto state = getState (self)) state->didBecomeInvalidWithError ();
+            if (auto state = getState (self)) state->didBecomeInvalidWithError();
         }
     };
 };

modules/juce_core/native/juce_mac_Strings.mm

@@ -31,7 +31,7 @@
 String String::fromCFString (CFStringRef cfString)
 {
     if (cfString == 0)
-        return String();
+        return {};
 
     CFRange range = { 0, CFStringGetLength (cfString) };
     CFIndex bytesNeeded = 0;

modules/juce_core/native/juce_posix_SharedCode.h

@@ -715,7 +715,7 @@ String File::getVolumeLabel() const
     }
    #endif
 
-    return String();
+    return {};
 }
 
 int File::getVolumeSerialNumber() const

modules/juce_core/native/juce_win32_Network.cpp

@@ -501,7 +501,7 @@ void MACAddress::findAllAddresses (Array<MACAddress>& result)
 
 void IPAddress::findAllAddresses (Array<IPAddress>& result, bool includeIPv6)
 {
-    result.addIfNotAlreadyThere (IPAddress::local ());
+    result.addIfNotAlreadyThere (IPAddress::local());
 
     if (includeIPv6)
         result.addIfNotAlreadyThere (IPAddress::local (true));

modules/juce_core/native/juce_win32_SystemStats.cpp

@@ -242,7 +242,7 @@ String SystemStats::getOperatingSystemName()
 
 String SystemStats::getDeviceDescription()
 {
-    return String();
+    return {};
 }
 
 bool SystemStats::isOperatingSystem64Bit()

modules/juce_core/network/juce_URL.cpp

@@ -526,7 +526,7 @@ String URL::readEntireTextStream (const bool usePostCommand) const
     if (in != nullptr)
         return in->readEntireStreamAsString();
 
-    return String();
+    return {};
 }
 
 XmlElement* URL::readEntireXmlStream (const bool usePostCommand) const

modules/juce_core/network/juce_URL.h

@@ -240,10 +240,10 @@ public:
     URL withPOSTData (const MemoryBlock& postData) const;
 
     /** Returns the data that was set using withPOSTData(). */
-    String getPostData() const noexcept                  { return postData.toString(); }
+    String getPostData() const noexcept                             { return postData.toString(); }
 
     /** Returns the data that was set using withPOSTData() as MemoryBlock. */
-    const MemoryBlock& getPostDataAsMemoryBlock() const noexcept { return postData; }
+    const MemoryBlock& getPostDataAsMemoryBlock() const noexcept    { return postData; }
 
     //==============================================================================
     /** Tries to launch the system's default browser to open the URL.
@@ -375,7 +375,7 @@ public:
         bool finished, error;
         int httpCode;
 
-        DownloadTask ();
+        DownloadTask();
 
     private:
         friend class URL;
@@ -441,7 +441,7 @@ public:
     /** Tries to download the entire contents of this URL and parse it as XML.
 
         If it fails, or if the text that it reads can't be parsed as XML, this will
-        return 0.
+        return nullptr.
 
         When it returns a valid XmlElement object, the caller is responsibile for deleting
         this object when no longer needed.

modules/juce_core/text/juce_String.cpp

@@ -1179,7 +1179,7 @@ bool String::matchesWildcard (StringRef wildcard, const bool ignoreCase) const n
 String String::repeatedString (StringRef stringToRepeat, int numberOfTimesToRepeat)
 {
     if (numberOfTimesToRepeat <= 0)
-        return String();
+        return {};
 
     String result (PreallocationBytes (findByteOffsetOfEnd (stringToRepeat) * (size_t) numberOfTimesToRepeat));
     CharPointerType n (result.text);
@@ -1291,7 +1291,7 @@ String String::replaceSection (int index, int numCharsToReplace, StringRef strin
 
     const size_t newTotalBytes = initialBytes + newStringBytes + remainderBytes;
     if (newTotalBytes <= 0)
-        return String();
+        return {};
 
     String result (PreallocationBytes ((size_t) newTotalBytes));
 
@@ -1537,7 +1537,7 @@ String String::substring (int start, const int end) const
         start = 0;
 
     if (end <= start)
-        return String();
+        return {};
 
     int i = 0;
     CharPointerType t1 (text);
@@ -1545,7 +1545,7 @@ String String::substring (int start, const int end) const
     while (i < start)
     {
         if (t1.isEmpty())
-            return String();
+            return {};
 
         ++i;
         ++t1;
@@ -1579,7 +1579,7 @@ String String::substring (int start) const
     while (--start >= 0)
     {
         if (t.isEmpty())
-            return String();
+            return {};
 
         ++t;
     }
@@ -1604,7 +1604,7 @@ String String::fromFirstOccurrenceOf (StringRef sub,
     const int i = ignoreCase ? indexOfIgnoreCase (sub)
                              : indexOf (sub);
     if (i < 0)
-        return String();
+        return {};
 
     return substring (includeSubString ? i : i + sub.length());
 }
@@ -1658,7 +1658,7 @@ String String::unquoted() const
     const int len = length();
 
     if (len == 0)
-        return String();
+        return {};
 
     const juce_wchar lastChar = text [len - 1];
     const int dropAtStart = (*text == '"' || *text == '\'') ? 1 : 0;
@@ -1709,7 +1709,7 @@ String String::trim() const
         CharPointerType trimmedEnd (findTrimmedEnd (start, end));
 
         if (trimmedEnd <= start)
-            return String();
+            return {};
 
         if (text < start || trimmedEnd < end)
             return String (start, trimmedEnd);
@@ -1782,7 +1782,7 @@ String String::trimCharactersAtEnd (StringRef charactersToTrim) const
 String String::retainCharacters (StringRef charactersToRetain) const
 {
     if (isEmpty())
-        return String();
+        return {};
 
     StringCreationHelper builder (text);
 
@@ -1804,7 +1804,7 @@ String String::retainCharacters (StringRef charactersToRetain) const
 String String::removeCharacters (StringRef charactersToRemove) const
 {
     if (isEmpty())
-        return String();
+        return {};
 
     StringCreationHelper builder (text);
 
@@ -1903,7 +1903,7 @@ String String::formattedRaw (const char* pf, ...)
             break;                          // returns -1 because of an error rather than because it needs more space.
     }
 
-    return String();
+    return {};
 }
 
 //==============================================================================
@@ -1963,7 +1963,7 @@ String String::toHexString (short number)     { return toHexString ((int) (unsig
 String String::toHexString (const void* const d, const int size, const int groupSize)
 {
     if (size <= 0)
-        return String();
+        return {};
 
     int numChars = (size * 2) + 2;
     if (groupSize > 0)
@@ -2008,7 +2008,7 @@ String String::createStringFromData (const void* const unknownData, int size)
     const uint8* const data = static_cast<const uint8*> (unknownData);
 
     if (size <= 0 || data == nullptr)
-        return String();
+        return {};
 
     if (size == 1)
         return charToString ((juce_wchar) data[0]);
@@ -2174,7 +2174,7 @@ String String::fromUTF8 (const char* const buffer, int bufferSizeBytes)
         }
     }
 
-    return String();
+    return {};
 }
 
 #if JUCE_MSVC

modules/juce_core/text/juce_StringArray.cpp

@@ -320,7 +320,7 @@ String StringArray::joinIntoString (StringRef separator, int start, int numberTo
         start = 0;
 
     if (start >= last)
-        return String();
+        return {};
 
     if (start == last - 1)
         return strings.getReference (start);
@@ -334,7 +334,7 @@ String StringArray::joinIntoString (StringRef separator, int start, int numberTo
     String result;
     result.preallocateBytes (bytesNeeded);
 
-    String::CharPointerType dest (result.getCharPointer());
+    auto dest = result.getCharPointer();
 
     while (start < last)
     {

modules/juce_core/text/juce_StringPool.cpp

@@ -106,7 +106,7 @@ static String addPooledString (Array<String>& strings, const NewStringType& newS
 String StringPool::getPooledString (const char* const newString)
 {
     if (newString == nullptr || *newString == 0)
-        return String();
+        return {};
 
     const ScopedLock sl (lock);
     garbageCollectIfNeeded();
@@ -116,7 +116,7 @@ String StringPool::getPooledString (const char* const newString)
 String StringPool::getPooledString (String::CharPointerType start, String::CharPointerType end)
 {
     if (start.isEmpty() || start == end)
-        return String();
+        return {};
 
     const ScopedLock sl (lock);
     garbageCollectIfNeeded();
@@ -126,7 +126,7 @@ String StringPool::getPooledString (String::CharPointerType start, String::CharP
 String StringPool::getPooledString (StringRef newString)
 {
     if (newString.isEmpty())
-        return String();
+        return {};
 
     const ScopedLock sl (lock);
     garbageCollectIfNeeded();
@@ -136,7 +136,7 @@ String StringPool::getPooledString (StringRef newString)
 String StringPool::getPooledString (const String& newString)
 {
     if (newString.isEmpty())
-        return String();
+        return {};
 
     const ScopedLock sl (lock);
     garbageCollectIfNeeded();

modules/juce_core/time/juce_Time.cpp

@@ -108,7 +108,7 @@ namespace TimeHelpers
 
        #ifdef JUCE_MSVC
         if (tm->tm_year < -1900 || tm->tm_year > 8099)
-            return String();   // Visual Studio's library can only handle 0 -> 9999 AD
+            return {};   // Visual Studio's library can only handle 0 -> 9999 AD
         #endif
 
         for (size_t bufferSize = 256; ; bufferSize += 256)
@@ -491,15 +491,15 @@ Time Time::fromISO8601 (StringRef iso) noexcept
 
     const int year = parseFixedSizeIntAndSkip (t, 4, '-');
     if (year < 0)
-        return Time();
+        return {};
 
     const int month = parseFixedSizeIntAndSkip (t, 2, '-');
     if (month < 0)
-        return Time();
+        return {};
 
     const int day = parseFixedSizeIntAndSkip (t, 2, 0);
     if (day < 0)
-        return Time();
+        return {};
 
     int hours = 0, minutes = 0, milliseconds = 0;
 
@@ -508,11 +508,11 @@ Time Time::fromISO8601 (StringRef iso) noexcept
         ++t;
         hours = parseFixedSizeIntAndSkip (t, 2, ':');
         if (hours < 0)
-            return Time();
+            return {};
 
         minutes = parseFixedSizeIntAndSkip (t, 2, ':');
         if (minutes < 0)
-            return Time();
+            return {};
 
         milliseconds = (int) (1000.0 * CharacterFunctions::readDoubleValue (t));
     }
@@ -523,18 +523,18 @@ Time Time::fromISO8601 (StringRef iso) noexcept
     {
         const int offsetHours = parseFixedSizeIntAndSkip (t, 2, ':');
         if (offsetHours < 0)
-            return Time();
+            return {};
 
         const int offsetMinutes = parseFixedSizeIntAndSkip (t, 2, 0);
         if (offsetMinutes < 0)
-            return Time();
+            return {};
 
         const int offsetMs = (offsetHours * 60 + offsetMinutes) * 60 * 1000;
         milliseconds += nextChar == '-' ? offsetMs : -offsetMs; // NB: this seems backwards but is correct!
     }
     else if (nextChar != 0 && nextChar != 'Z')
     {
-        return Time();
+        return {};
     }
 
     return Time (year, month - 1, day, hours, minutes, 0, milliseconds, false);

modules/juce_core/xml/juce_XmlDocument.cpp

@@ -174,7 +174,7 @@ String XmlDocument::getFileContents (const String& filename) const
             return in->readEntireStreamAsString();
     }
 
-    return String();
+    return {};
 }
 
 juce_wchar XmlDocument::readNextChar() noexcept

modules/juce_data_structures/undomanager/juce_UndoManager.cpp

@@ -286,31 +286,31 @@ bool UndoManager::redo()
 
 String UndoManager::getUndoDescription() const
 {
-    if (const ActionSet* const s = getCurrentSet())
+    if (auto* s = getCurrentSet())
         return s->name;
 
-    return String();
+    return {};
 }
 
 String UndoManager::getRedoDescription() const
 {
-    if (const ActionSet* const s = getNextSet())
+    if (auto* s = getNextSet())
         return s->name;
 
-    return String();
+    return {};
 }
 
 Time UndoManager::getTimeOfUndoTransaction() const
 {
-    if (const ActionSet* const s = getCurrentSet())
+    if (auto* s = getCurrentSet())
         return s->time;
 
-    return Time();
+    return {};
 }
 
 Time UndoManager::getTimeOfRedoTransaction() const
 {
-    if (const ActionSet* const s = getNextSet())
+    if (auto* s = getNextSet())
         return s->time;
 
     return Time::getCurrentTime();

modules/juce_events/interprocess/juce_InterprocessConnection.cpp

@@ -151,7 +151,7 @@ String InterprocessConnection::getConnectedHostName() const
         const ScopedLock sl (pipeAndSocketLock);
 
         if (pipe == nullptr && socket == nullptr)
-            return String();
+            return {};
 
         if (socket != nullptr && ! socket->isLocal())
             return socket->getHostName();

modules/juce_events/messages/juce_ApplicationBase.cpp

@@ -139,8 +139,8 @@ struct JUCEApplicationBase::MultipleInstanceHandler {};
 //==============================================================================
 #if JUCE_ANDROID
 
-StringArray JUCEApplicationBase::getCommandLineParameterArray() { return StringArray(); }
+StringArray JUCEApplicationBase::getCommandLineParameterArray() { return {}; }
-String JUCEApplicationBase::getCommandLineParameters()          { return String(); }
+String JUCEApplicationBase::getCommandLineParameters()          { return {}; }
 
 #else
 

modules/juce_events/native/juce_linux_Messaging.cpp

@@ -107,7 +107,7 @@ public:
         readCallback[WINDOW_SYSTEM_FD]->active = true;
     }
 
-    void removeWindowSystemFd ()
+    void removeWindowSystemFd()
     {
         jassert (fdCount == FD_COUNT);
 

modules/juce_graphics/native/juce_win32_Fonts.cpp

@@ -110,7 +110,7 @@ namespace TTFNameExtractor
             }
         }
 
-        return String();
+        return {};
     }
 
     static String getTypefaceNameFromFile (MemoryInputStream& input)
@@ -128,7 +128,7 @@ namespace TTFNameExtractor
                 return parseNameTable (input, ByteOrder::swapIfLittleEndian (tableDirectory.offset));
         }
 
-        return String();
+        return {};
     }
 }
 

modules/juce_gui_basics/commands/juce_ApplicationCommandManager.cpp

@@ -51,7 +51,7 @@ void ApplicationCommandManager::registerCommand (const ApplicationCommandInfo& n
     // the name isn't optional!
     jassert (newCommand.shortName.isNotEmpty());
 
-    if (ApplicationCommandInfo* command = getMutableCommandForID (newCommand.commandID))
+    if (auto* command = getMutableCommandForID (newCommand.commandID))
     {
         // Trying to re-register the same command ID with different parameters can often indicate a typo.
         // This assertion is here because I've found it useful catching some mistakes, but it may also cause
@@ -132,19 +132,19 @@ const ApplicationCommandInfo* ApplicationCommandManager::getCommandForID (const
 
 String ApplicationCommandManager::getNameOfCommand (const CommandID commandID) const noexcept
 {
-    if (const ApplicationCommandInfo* const ci = getCommandForID (commandID))
+    if (auto* ci = getCommandForID (commandID))
         return ci->shortName;
 
-    return String();
+    return {};
 }
 
 String ApplicationCommandManager::getDescriptionOfCommand (const CommandID commandID) const noexcept
 {
-    if (const ApplicationCommandInfo* const ci = getCommandForID (commandID))
+    if (auto* ci = getCommandForID (commandID))
         return ci->description.isNotEmpty() ? ci->description
                                             : ci->shortName;
 
-    return String();
+    return {};
 }
 
 StringArray ApplicationCommandManager::getCommandCategories() const
@@ -186,7 +186,7 @@ bool ApplicationCommandManager::invoke (const ApplicationCommandTarget::Invocati
     bool ok = false;
     ApplicationCommandInfo commandInfo (0);
 
-    if (ApplicationCommandTarget* const target = getTargetForCommand (inf.commandID, commandInfo))
+    if (auto* target = getTargetForCommand (inf.commandID, commandInfo))
     {
         ApplicationCommandTarget::InvocationInfo info (inf);
         info.commandFlags = commandInfo.flags;
@@ -248,7 +248,7 @@ ApplicationCommandTarget* ApplicationCommandManager::findDefaultComponentTarget(
 
     if (c == nullptr)
     {
-        if (TopLevelWindow* const activeWindow = TopLevelWindow::getActiveTopLevelWindow())
+        if (auto* activeWindow = TopLevelWindow::getActiveTopLevelWindow())
         {
             c = activeWindow->getPeer()->getLastFocusedSubcomponent();
 
@@ -259,12 +259,12 @@ ApplicationCommandTarget* ApplicationCommandManager::findDefaultComponentTarget(
 
     if (c == nullptr && Process::isForegroundProcess())
     {
-        Desktop& desktop = Desktop::getInstance();
+        auto& desktop = Desktop::getInstance();
 
         // getting a bit desperate now: try all desktop comps..
         for (int i = desktop.getNumComponents(); --i >= 0;)
-            if (ComponentPeer* const peer = desktop.getComponent(i)->getPeer())
+            if (auto* peer = desktop.getComponent(i)->getPeer())
-                if (ApplicationCommandTarget* const target = findTargetForComponent (peer->getLastFocusedSubcomponent()))
+                if (auto* target = findTargetForComponent (peer->getLastFocusedSubcomponent()))
                     return target;
     }
 
@@ -274,11 +274,11 @@ ApplicationCommandTarget* ApplicationCommandManager::findDefaultComponentTarget(
         // component that really should get the event. And if not, the event will
         // still be passed up to the top level window anyway, so let's send it to the
         // content comp.
-        if (ResizableWindow* const resizableWindow = dynamic_cast<ResizableWindow*> (c))
+        if (auto* resizableWindow = dynamic_cast<ResizableWindow*> (c))
-            if (Component* const content = resizableWindow->getContentComponent())
+            if (auto* content = resizableWindow->getContentComponent())
                 c = content;
 
-        if (ApplicationCommandTarget* const target = findTargetForComponent (c))
+        if (auto* target = findTargetForComponent (c))
             return target;
     }
 

modules/juce_gui_basics/drawables/juce_SVGParser.cpp

@@ -606,7 +606,7 @@ private:
             return str.fromFirstOccurrenceOf ("#", false, false)
                       .upToLastOccurrenceOf (")", false, false).trim();
 
-        return String();
+        return {};
     }
 
     //==============================================================================
@@ -1160,7 +1160,7 @@ private:
         if (xml.parent != nullptr)
             return getInheritedAttribute (*xml.parent, attributeName);
 
-        return String();
+        return {};
     }
 
     static int parsePlacementFlags (const String& align) noexcept

modules/juce_gui_basics/native/juce_win32_Windowing.cpp

@@ -3376,7 +3376,7 @@ private:
                 return String (buffer);
             }
 
-            return String();
+            return {};
         }
 
         int getCompositionCaretPos (HIMC hImc, LPARAM lParam, const String& currentIMEString) const

modules/juce_gui_basics/widgets/juce_ComboBox.cpp

@@ -200,15 +200,15 @@ int ComboBox::getNumItems() const noexcept
 
 String ComboBox::getItemText (const int index) const
 {
-    if (const PopupMenu::Item* const item = getItemForIndex (index))
+    if (auto* item = getItemForIndex (index))
         return item->text;
 
-    return String();
+    return {};
 }
 
 int ComboBox::getItemId (const int index) const noexcept
 {
-    if (const PopupMenu::Item* const item = getItemForIndex (index))
+    if (auto* item = getItemForIndex (index))
         return item->itemID;
 
     return 0;
@@ -223,7 +223,7 @@ int ComboBox::indexOfItemId (const int itemId) const noexcept
 
         while (iterator.next())
         {
-            PopupMenu::Item &item = iterator.getItem();
+            auto& item = iterator.getItem();
 
             if (item.itemID == itemId)
                 return n;

modules/juce_gui_basics/widgets/juce_ListBox.cpp

@@ -138,7 +138,7 @@ public:
         if (ListBoxModel* m = owner.getModel())
             return m->getTooltipForRow (row);
 
-        return String();
+        return {};
     }
 
     ScopedPointer<Component> customComponent;
@@ -968,6 +968,6 @@ void ListBoxModel::selectedRowsChanged (int) {}
 void ListBoxModel::deleteKeyPressed (int) {}
 void ListBoxModel::returnKeyPressed (int) {}
 void ListBoxModel::listWasScrolled() {}
-var ListBoxModel::getDragSourceDescription (const SparseSet<int>&)      { return var(); }
+var ListBoxModel::getDragSourceDescription (const SparseSet<int>&)      { return {}; }
-String ListBoxModel::getTooltipForRow (int)                             { return String(); }
+String ListBoxModel::getTooltipForRow (int)                             { return {}; }
 MouseCursor ListBoxModel::getMouseCursorForRow (int)                    { return MouseCursor::NormalCursor; }

modules/juce_gui_basics/widgets/juce_TableHeaderComponent.cpp

@@ -92,15 +92,15 @@ int TableHeaderComponent::getNumColumns (const bool onlyCountVisibleColumns) con
 
 String TableHeaderComponent::getColumnName (const int columnId) const
 {
-    if (const ColumnInfo* const ci = getInfoForId (columnId))
+    if (auto* ci = getInfoForId (columnId))
         return ci->name;
 
-    return String();
+    return {};
 }
 
 void TableHeaderComponent::setColumnName (const int columnId, const String& newName)
 {
-    if (ColumnInfo* const ci = getInfoForId (columnId))
+    if (auto* ci = getInfoForId (columnId))
     {
         if (ci->name != newName)
         {

modules/juce_gui_basics/widgets/juce_TableListBox.cpp

@@ -206,10 +206,10 @@ public:
         const int columnId = owner.getHeader().getColumnIdAtX (getMouseXYRelative().getX());
 
         if (columnId != 0)
-            if (TableListBoxModel* m = owner.getModel())
+            if (auto* m = owner.getModel())
                 return m->getCellTooltip (row, columnId);
 
-        return String();
+        return {};
     }
 
     Component* findChildComponentForColumn (const int columnId) const
@@ -477,8 +477,8 @@ void TableListBoxModel::deleteKeyPressed (int)                          {}
 void TableListBoxModel::returnKeyPressed (int)                          {}
 void TableListBoxModel::listWasScrolled()                               {}
 
-String TableListBoxModel::getCellTooltip (int /*rowNumber*/, int /*columnId*/)    { return String(); }
+String TableListBoxModel::getCellTooltip (int /*rowNumber*/, int /*columnId*/)    { return {}; }
-var TableListBoxModel::getDragSourceDescription (const SparseSet<int>&)           { return var(); }
+var TableListBoxModel::getDragSourceDescription (const SparseSet<int>&)           { return {}; }
 
 Component* TableListBoxModel::refreshComponentForCell (int, int, bool, Component* existingComponentToUpdate)
 {

modules/juce_gui_basics/widgets/juce_TextEditor.cpp

@@ -49,7 +49,7 @@ struct TextAtom
             return atomText.substring (0, numChars);
 
         if (isNewLine())
-            return String();
+            return {};
 
         return String::repeatedString (String::charToString (passwordCharacter), numChars);
     }
@@ -2344,7 +2344,7 @@ String TextEditor::getText() const
 String TextEditor::getTextInRange (const Range<int>& range) const
 {
     if (range.isEmpty())
-        return String();
+        return {};
 
     MemoryOutputStream mo;
     mo.preallocate ((size_t) jmin (getTotalNumChars(), range.getLength()));
@@ -2353,7 +2353,7 @@ String TextEditor::getTextInRange (const Range<int>& range) const
 
     for (int i = 0; i < sections.size(); ++i)
     {
-        const UniformTextSection* const s = sections.getUnchecked (i);
+        auto* s = sections.getUnchecked (i);
         const int nextIndex = index + s->getTotalLength();
 
         if (range.getStart() < nextIndex)

modules/juce_gui_basics/widgets/juce_TreeView.cpp

@@ -1156,7 +1156,7 @@ TreeViewItem::~TreeViewItem()
 
 String TreeViewItem::getUniqueName() const
 {
-    return String();
+    return {};
 }
 
 void TreeViewItem::itemOpennessChanged (bool)
@@ -1378,7 +1378,7 @@ void TreeViewItem::itemSelectionChanged (bool)
 
 String TreeViewItem::getTooltip()
 {
-    return String();
+    return {};
 }
 
 void TreeViewItem::ownerViewChanged (TreeView*)
@@ -1387,7 +1387,7 @@ void TreeViewItem::ownerViewChanged (TreeView*)
 
 var TreeViewItem::getDragSourceDescription()
 {
-    return var();
+    return {};
 }
 
 bool TreeViewItem::isInterestedInFileDrag (const StringArray&)

modules/juce_gui_basics/windows/juce_AlertWindow.cpp

@@ -173,10 +173,10 @@ TextEditor* AlertWindow::getTextEditor (const String& nameOfTextEditor) const
 
 String AlertWindow::getTextEditorContents (const String& nameOfTextEditor) const
 {
-    if (TextEditor* const t = getTextEditor (nameOfTextEditor))
+    if (auto* t = getTextEditor (nameOfTextEditor))
         return t->getText();
 
-    return String();
+    return {};
 }
 
 

modules/juce_gui_basics/windows/juce_TooltipWindow.cpp

@@ -80,7 +80,7 @@ void TooltipWindow::displayTip (Point<int> screenPos, const String& tip)
             repaint();
         }
 
-        if (Component* const parent = getParentComponent())
+        if (auto* parent = getParentComponent())
         {
             updatePosition (tip, parent->getLocalPoint (nullptr, screenPos),
                             parent->getLocalBounds());
@@ -111,7 +111,7 @@ String TooltipWindow::getTipFor (Component* const c)
                 return ttc->getTooltip();
     }
 
-    return String();
+    return {};
 }
 
 void TooltipWindow::hideTip()

modules/juce_gui_extra/code_editor/juce_CodeDocument.cpp

@@ -422,7 +422,7 @@ CodeDocument::Position CodeDocument::Position::movedByLines (const int deltaLine
 
 juce_wchar CodeDocument::Position::getCharacter() const
 {
-    if (const CodeDocumentLine* const l = owner->lines [line])
+    if (auto* l = owner->lines [line])
         return l->line [getIndexInLine()];
 
     return 0;
@@ -430,10 +430,10 @@ juce_wchar CodeDocument::Position::getCharacter() const
 
 String CodeDocument::Position::getLineText() const
 {
-    if (const CodeDocumentLine* const l = owner->lines [line])
+    if (auto* l = owner->lines [line])
         return l->line;
 
-    return String();
+    return {};
 }
 
 void CodeDocument::Position::setPositionMaintained (const bool isMaintained)
@@ -482,7 +482,7 @@ String CodeDocument::getAllContent() const
 String CodeDocument::getTextBetween (const Position& start, const Position& end) const
 {
     if (end.getPosition() <= start.getPosition())
-        return String();
+        return {};
 
     const int startLine = start.getLineNumber();
     const int endLine = end.getLineNumber();
@@ -492,7 +492,7 @@ String CodeDocument::getTextBetween (const Position& start, const Position& end)
         if (CodeDocumentLine* const line = lines [startLine])
             return line->line.substring (start.getIndexInLine(), end.getIndexInLine());
 
-        return String();
+        return {};
     }
 
     MemoryOutputStream mo;
@@ -526,7 +526,7 @@ String CodeDocument::getTextBetween (const Position& start, const Position& end)
 
 int CodeDocument::getNumCharacters() const noexcept
 {
-    if (const CodeDocumentLine* const lastLine = lines.getLast())
+    if (auto* lastLine = lines.getLast())
         return lastLine->lineStartInFile + lastLine->lineLength;
 
     return 0;
@@ -534,10 +534,10 @@ int CodeDocument::getNumCharacters() const noexcept
 
 String CodeDocument::getLine (const int lineIndex) const noexcept
 {
-    if (const CodeDocumentLine* const line = lines [lineIndex])
+    if (auto* line = lines [lineIndex])
         return line->line;
 
-    return String();
+    return {};
 }
 
 int CodeDocument::getMaximumLineLength() noexcept

modules/juce_gui_extra/native/juce_mac_WebBrowserComponent.mm

@@ -50,7 +50,7 @@ private:
         if (NSURL* url = [actionInformation valueForKey: nsStringLiteral ("WebActionOriginalURLKey")])
             return nsStringToJuce ([url absoluteString]);
 
-        return String();
+        return {};
     }
 
     static void decidePolicyForNavigationAction (id self, SEL, WebView*, NSDictionary* actionInformation,

modules/juce_opengl/opengl/juce_OpenGLContext.cpp

@@ -547,7 +547,7 @@ public:
             finishedSignal.signal();
         }
 
-        void block() { finishedSignal.wait (); }
+        void block() { finishedSignal.wait(); }
 
         OpenGLContext::AsyncWorker::Ptr originalWorker;
         WaitableEvent finishedSignal;

modules/juce_osc/osc/juce_OSCArgument.cpp

@@ -49,7 +49,7 @@ String OSCArgument::getString() const noexcept
         return stringValue;
 
     jassertfalse; // you must check the type of an argument before attempting to get its value!
-    return String();
+    return {};
 }
 
 int32 OSCArgument::getInt32() const noexcept

modules/juce_video/native/juce_android_CameraDevice.cpp

@@ -42,7 +42,7 @@ struct CameraDevice::Pimpl
 
     Time getTimeOfFirstRecordedFrame() const
     {
-        return Time();
+        return {};
     }
 
     void addListener (CameraDevice::Listener* listenerToAdd)