Merge pull request #1334 from TomHarte/EqualsDefault

Switch to `= default`.

Activity/Observer.hpp

@@ -23,7 +23,7 @@ namespace Activity {
 */
 class Observer {
 	public:
-		virtual ~Observer() {}
+		virtual ~Observer() = default;
 
 		/// Provides hints as to the sort of information presented on an LED.
 		enum LEDPresentation: uint8_t {

Analyser/Static/StaticAnalyser.hpp

@@ -57,7 +57,7 @@ struct Media {
 */
 struct Target {
 	Target(Machine machine) : machine(machine) {}
-	virtual ~Target() {}
+	virtual ~Target() = default;
 
 	// This field is entirely optional.
 	std::unique_ptr<Reflection::Struct> state;

Components/1770/1770.hpp

@@ -30,7 +30,7 @@ class WD1770: public Storage::Disk::MFMController {
 			@param p The type of controller to emulate.
 		*/
 		WD1770(Personality p);
-		virtual ~WD1770() {}
+		virtual ~WD1770() = default;
 
 		/// Sets the value of the double-density input; when @c is_double_density is @c true, reads and writes double-density format data.
 		using Storage::Disk::MFMController::set_is_double_density;

Components/8272/i8272.hpp

@@ -21,7 +21,7 @@ namespace Intel::i8272 {
 
 class BusHandler {
 	public:
-		virtual ~BusHandler() {}
+		virtual ~BusHandler() = default;
 		virtual void set_dma_data_request([[maybe_unused]] bool drq) {}
 		virtual void set_interrupt([[maybe_unused]] bool irq) {}
 };

Components/9918/Implementation/YamahaCommands.hpp

@@ -132,7 +132,7 @@ struct Command {
 	CommandContext &context;
 	ModeDescription &mode_description;
 	Command(CommandContext &context, ModeDescription &mode_description) : context(context), mode_description(mode_description) {}
-	virtual ~Command() {}
+	virtual ~Command() = default;
 
 	/// @returns @c true if all output from this command is done; @c false otherwise.
 	virtual bool done() = 0;

Components/AppleClock/AppleClock.hpp

@@ -21,8 +21,6 @@ namespace Apple::Clock {
 */
 class ClockStorage {
 	public:
-		ClockStorage() {}
-
 		/*!
 			Advances the clock by 1 second.
 

Inputs/Joystick.hpp

@@ -19,7 +19,7 @@ namespace Inputs {
 */
 class Joystick {
 	public:
-		virtual ~Joystick() {}
+		virtual ~Joystick() = default;
 
 		/*!
 			Defines a single input, any individually-measured thing — a fire button or

Inputs/Keyboard.hpp

@@ -45,7 +45,7 @@ class Keyboard {
 		/// Constructs a Keyboard that declares itself to observe only members of @c observed_keys.
 		Keyboard(const std::set<Key> &observed_keys, const std::set<Key> &essential_modifiers);
 
-		virtual ~Keyboard() {}
+		virtual ~Keyboard() = default;
 
 		// Host interface.
 

InstructionSets/M50740/Instruction.hpp

@@ -222,7 +222,7 @@ struct Instruction {
 
 	Instruction(Operation operation, AddressingMode addressing_mode, uint8_t opcode) : operation(operation), addressing_mode(addressing_mode), opcode(opcode) {}
 	Instruction(uint8_t opcode) : opcode(opcode) {}
-	Instruction() {}
+	Instruction() = default;
 };
 
 /*!

InstructionSets/M68k/Instruction.hpp

@@ -478,7 +478,7 @@ class Preinstruction {
 			static constexpr int SizeShift						= 0;
 		};
 
-		Preinstruction() {}
+		Preinstruction() = default;
 
 		/// Produces a string description of this instruction; if @c opcode
 		/// is supplied then any quick fields in this instruction will be decoded;

Machines/Amiga/Amiga.cpp

@@ -256,5 +256,3 @@ std::unique_ptr<Machine> Machine::Amiga(const Analyser::Static::Target *target,
 	const Target *const amiga_target = dynamic_cast<const Target *>(target);
 	return std::make_unique<Amiga::ConcreteMachine>(*amiga_target, rom_fetcher);
 }
-
-Machine::~Machine() {}

Machines/Amiga/Amiga.hpp

@@ -17,7 +17,7 @@ namespace Amiga {
 
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 
 		/// Creates and returns an Amiga.
 		static std::unique_ptr<Machine> Amiga(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);

Machines/Amiga/Blitter.hpp

@@ -62,7 +62,7 @@ template <bool record_bus = false> class Blitter: public DMADevice<4, 4> {
 			uint32_t address = 0;
 			uint16_t value = 0;
 
-			Transaction() {}
+			Transaction() = default;
 			Transaction(Type type) : type(type) {}
 			Transaction(Type type, uint32_t address, uint16_t value) : type(type), address(address), value(value) {}
 

Machines/AmstradCPC/AmstradCPC.cpp

@@ -1293,5 +1293,3 @@ std::unique_ptr<Machine> Machine::AmstradCPC(const Analyser::Static::Target *tar
 		case Target::Model::CPC464:	return std::make_unique<AmstradCPC::ConcreteMachine<false>>(*cpc_target, rom_fetcher);
 	}
 }
-
-Machine::~Machine() {}

Machines/AmstradCPC/AmstradCPC.hpp

@@ -22,7 +22,7 @@ namespace AmstradCPC {
 */
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 
 		/// Creates and returns an Amstrad CPC.
 		static std::unique_ptr<Machine> AmstradCPC(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);

Machines/Apple/ADB/Bus.hpp

@@ -34,7 +34,7 @@ struct Command {
 	uint8_t device = AllDevices;
 	uint8_t reg = NoRegister;
 
-	Command() {}
+	Command() = default;
 	Command(Type type) : type(type) {}
 	Command(Type type, uint8_t device) : type(type), device(device) {}
 	Command(Type type, uint8_t device, uint8_t reg) : type(type), device(device), reg(reg) {}

Machines/Apple/AppleII/AppleII.cpp

@@ -1107,5 +1107,3 @@ std::unique_ptr<Machine> Machine::AppleII(const Analyser::Static::Target *target
 		}
 	}
 }
-
-Machine::~Machine() {}

Machines/Apple/AppleII/AppleII.hpp

@@ -19,7 +19,7 @@ namespace Apple::II {
 
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 
 		/// Creates and returns an AppleII.
 		static std::unique_ptr<Machine> AppleII(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);

Machines/Apple/AppleIIgs/AppleIIgs.cpp

@@ -1013,6 +1013,3 @@ using namespace Apple::IIgs;
 std::unique_ptr<Machine> Machine::AppleIIgs(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher) {
 	return std::make_unique<ConcreteMachine>(*dynamic_cast<const Analyser::Static::AppleIIgs::Target *>(target), rom_fetcher);
 }
-
-Machine::~Machine() {}
-

Machines/Apple/AppleIIgs/AppleIIgs.hpp

@@ -19,7 +19,7 @@ namespace Apple::IIgs {
 
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 
 		/// Creates and returns an AppleIIgs.
 		static std::unique_ptr<Machine> AppleIIgs(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);

Machines/Apple/Macintosh/Macintosh.cpp

@@ -852,5 +852,3 @@ std::unique_ptr<Machine> Machine::Macintosh(const Analyser::Static::Target *targ
 		case Model::MacPlus:	return std::make_unique<ConcreteMachine<Model::MacPlus>>(*mac_target, rom_fetcher);
 	}
 }
-
-Machine::~Machine() {}

Machines/Apple/Macintosh/Macintosh.hpp

@@ -17,7 +17,7 @@ namespace Apple::Macintosh {
 
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 
 		/// Creates and returns a Macintosh.
 		static std::unique_ptr<Machine> Macintosh(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);

Machines/Atari/2600/Atari2600.cpp

@@ -216,5 +216,3 @@ std::unique_ptr<Machine> Machine::Atari2600(const Analyser::Static::Target *targ
 	const Target *const atari_target = dynamic_cast<const Target *>(target);
 	return std::make_unique<Atari2600::ConcreteMachine>(*atari_target);
 }
-
-Machine::~Machine() {}

Machines/Atari/2600/Atari2600.hpp

@@ -23,7 +23,7 @@ namespace Atari2600 {
 */
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 
 		/// Creates and returns an Atari 2600 on the heap.
 		static std::unique_ptr<Machine> Atari2600(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);

Machines/Atari/ST/AtariST.cpp

@@ -717,5 +717,3 @@ std::unique_ptr<Machine> Machine::AtariST(const Analyser::Static::Target *target
 
 	return std::make_unique<ConcreteMachine>(*atari_target, rom_fetcher);
 }
-
-Machine::~Machine() {}

Machines/Atari/ST/AtariST.hpp

@@ -19,7 +19,7 @@ namespace Atari::ST {
 
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 
 		static std::unique_ptr<Machine> AtariST(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);
 

Machines/ColecoVision/ColecoVision.cpp

@@ -415,5 +415,3 @@ using namespace Coleco::Vision;
 std::unique_ptr<Machine> Machine::ColecoVision(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher) {
 	return std::make_unique<ConcreteMachine>(*target, rom_fetcher);
 }
-
-Machine::~Machine() {}

Machines/ColecoVision/ColecoVision.hpp

@@ -19,7 +19,7 @@ namespace Coleco::Vision {
 
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 		static std::unique_ptr<Machine> ColecoVision(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);
 
 		class Options: public Reflection::StructImpl<Options>, public Configurable::DisplayOption<Options> {

Machines/Commodore/SerialBus.hpp

@@ -73,7 +73,7 @@ namespace Commodore::Serial {
 	class Port {
 		public:
 			Port() : line_levels_{High, High, High, High, High} {}
-			virtual ~Port() {}
+			virtual ~Port() = default;
 
 			/*!
 				Sets the current level of an output line on this serial port.

Machines/Commodore/Vic-20/Vic20.cpp

@@ -767,5 +767,3 @@ std::unique_ptr<Machine> Machine::Vic20(const Analyser::Static::Target *target,
 	const Target *const commodore_target = dynamic_cast<const Target *>(target);
 	return std::make_unique<Vic20::ConcreteMachine>(*commodore_target, rom_fetcher);
 }
-
-Machine::~Machine() {}

Machines/Commodore/Vic-20/Vic20.hpp

@@ -22,7 +22,7 @@ std::unique_ptr<Reflection::Struct> get_options();
 
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 
 		/// Creates and returns a Vic-20.
 		static std::unique_ptr<Machine> Vic20(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);

Machines/DynamicMachine.hpp

@@ -20,7 +20,7 @@ namespace Machine {
 	the machine's parent class or, therefore, the need to establish a common one.
 */
 struct DynamicMachine {
-	virtual ~DynamicMachine() {}
+	virtual ~DynamicMachine() = default;
 
 	virtual Activity::Source *activity_source() = 0;
 	virtual Configurable::Device *configurable_device() = 0;

Machines/Electron/Electron.cpp

@@ -796,5 +796,3 @@ std::unique_ptr<Machine> Machine::Electron(const Analyser::Static::Target *targe
 		return std::make_unique<Electron::ConcreteMachine<true>>(*acorn_target, rom_fetcher);
 	}
 }
-
-Machine::~Machine() {}

Machines/Electron/Electron.hpp

@@ -25,7 +25,7 @@ namespace Electron {
 */
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 
 		/// Creates and returns an Electron.
 		static std::unique_ptr<Machine> Electron(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);

Machines/Enterprise/Enterprise.cpp

@@ -768,5 +768,3 @@ std::unique_ptr<Machine> Machine::Enterprise(const Analyser::Static::Target *tar
 
 	return nullptr;
 }
-
-Machine::~Machine() {}

Machines/Enterprise/Enterprise.hpp

@@ -25,7 +25,7 @@ namespace Enterprise {
 */
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 		static std::unique_ptr<Machine> Enterprise(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);
 
 		/// Defines the runtime options available for an Enterprise.

Machines/MSX/MSX.cpp

@@ -1050,5 +1050,3 @@ std::unique_ptr<Machine> Machine::MSX(const Analyser::Static::Target *target, co
 		}
 	}
 }
-
-Machine::~Machine() {}

Machines/MSX/MSX.hpp

@@ -19,7 +19,7 @@ namespace MSX {
 
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 		static std::unique_ptr<Machine> MSX(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);
 
 		class Options: public Reflection::StructImpl<Options>, public Configurable::DisplayOption<Options>, public Configurable::QuickloadOption<Options> {

Machines/MSX/MemorySlotHandler.hpp

@@ -121,7 +121,7 @@ class PrimarySlot {
 
 class MemorySlotHandler {
 	public:
-		virtual ~MemorySlotHandler() {}
+		virtual ~MemorySlotHandler() = default;
 
 		/*! Advances time by @c half_cycles. */
 		virtual void run_for([[maybe_unused]] HalfCycles half_cycles) {}

Machines/MasterSystem/MasterSystem.cpp

@@ -570,5 +570,3 @@ std::unique_ptr<Machine> Machine::MasterSystem(const Analyser::Static::Target *t
 			return nullptr;
 	}
 }
-
-Machine::~Machine() {}

Machines/MasterSystem/MasterSystem.hpp

@@ -19,7 +19,7 @@ namespace Sega::MasterSystem {
 
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 		static std::unique_ptr<Machine> MasterSystem(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);
 
 		class Options: public Reflection::StructImpl<Options>, public Configurable::DisplayOption<Options> {

Machines/Oric/Oric.cpp

@@ -816,5 +816,3 @@ std::unique_ptr<Machine> Machine::Oric(const Analyser::Static::Target *target_hi
 
 	return nullptr;
 }
-
-Machine::~Machine() {}

Machines/Oric/Oric.hpp

@@ -22,7 +22,7 @@ namespace Oric {
 */
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 
 		/// Creates and returns an Oric.
 		static std::unique_ptr<Machine> Oric(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);

Machines/PCCompatible/PCCompatible.cpp

@@ -1208,5 +1208,3 @@ std::unique_ptr<Machine> Machine::PCCompatible(const Analyser::Static::Target *t
 		default: return nullptr;
 	}
 }
-
-Machine::~Machine() {}

Machines/PCCompatible/PCCompatible.hpp

@@ -20,7 +20,7 @@ namespace PCCompatible {
 */
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 
 		/// Creates and returns a PC Compatible.
 		static std::unique_ptr<Machine> PCCompatible(

Machines/Sinclair/ZX8081/ZX8081.cpp

@@ -503,5 +503,3 @@ std::unique_ptr<Machine> Machine::ZX8081(const Analyser::Static::Target *target,
 	if(zx_target->is_ZX81)	return std::make_unique<ConcreteMachine<true>>(*zx_target, rom_fetcher);
 	else					return std::make_unique<ConcreteMachine<false>>(*zx_target, rom_fetcher);
 }
-
-Machine::~Machine() {}

Machines/Sinclair/ZX8081/ZX8081.hpp

@@ -20,7 +20,7 @@ namespace Sinclair::ZX8081 {
 /// The ZX80/81 machine.
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 		static std::unique_ptr<Machine> ZX8081(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);
 
 		virtual void set_tape_is_playing(bool is_playing) = 0;

Machines/Sinclair/ZXSpectrum/ZXSpectrum.cpp

@@ -1008,5 +1008,3 @@ std::unique_ptr<Machine> Machine::ZXSpectrum(const Analyser::Static::Target *tar
 
 	return nullptr;
 }
-
-Machine::~Machine() {}

Machines/Sinclair/ZXSpectrum/ZXSpectrum.hpp

@@ -19,7 +19,7 @@ namespace Sinclair::ZXSpectrum {
 
 class Machine {
 	public:
-		virtual ~Machine();
+		virtual ~Machine() = default;
 		static std::unique_ptr<Machine> ZXSpectrum(const Analyser::Static::Target *target, const ROMMachine::ROMFetcher &rom_fetcher);
 
 		virtual void set_tape_is_playing(bool is_playing) = 0;

Machines/Utility/ROMCatalogue.hpp

@@ -222,7 +222,7 @@ std::vector<Description> all_descriptions();
 
 struct Request {
 	Request(Name name, bool optional = false);
-	Request() {}
+	Request() = default;
 
 	/// Forms the request that would be satisfied by @c this plus the right-hand side.
 	Request operator &&(const Request &);

Machines/Utility/Typer.hpp

@@ -22,7 +22,7 @@ namespace Utility {
 */
 class CharacterMapper {
 	public:
-		virtual ~CharacterMapper() {}
+		virtual ~CharacterMapper() = default;
 
 		/// @returns The EndSequence-terminated sequence of keys that would cause @c character to be typed.
 		virtual const uint16_t *sequence_for_character(char character) const = 0;

Numeric/RegisterSizes.hpp

@@ -20,7 +20,7 @@ namespace CPU {
 /// Provides access to all intermediate parts of a larger int.
 template <typename Full, typename Half> union alignas(Full) alignas(Half) RegisterPair {
 	RegisterPair(Full v) : full(v) {}
-	RegisterPair() {}
+	RegisterPair() = default;
 
 	Full full;
 #if TARGET_RT_BIG_ENDIAN

OSBindings/SDL/main.cpp

@@ -981,7 +981,7 @@ int main(int argc, char *argv[]) {
 		KeyPress(uint32_t timestamp, const char *text) : timestamp(timestamp), input(text) {}
 		KeyPress(uint32_t timestamp, SDL_Scancode scancode, SDL_Keycode keycode, bool is_down, bool repeat) :
 			timestamp(timestamp), scancode(scancode), keycode(keycode), is_down(is_down), repeat(repeat) {}
-		KeyPress() {}
+		KeyPress() = default;
 	};
 	std::vector<KeyPress> keypresses;
 

Outputs/ScanTarget.hpp

@@ -198,7 +198,7 @@ inline std::array<float, 9> from_rgb_matrix(ColourSpace colour_space) {
 	for use of shared memory where available.
 */
 struct ScanTarget {
-		virtual ~ScanTarget() {}
+		virtual ~ScanTarget() = default;
 
 
 	/*

Outputs/Speaker/Speaker.hpp

@@ -55,7 +55,7 @@ template <bool stereo> struct SampleT {
 */
 class Speaker {
 	public:
-		virtual ~Speaker() {}
+		virtual ~Speaker() = default;
 
 		/*!
 			@returns The best output clock rate for the audio being supplied to this speaker, from the range given.

Processors/6502/AllRAM/6502AllRAM.hpp

@@ -17,7 +17,7 @@ class AllRAMProcessor:
 	public ::CPU::AllRAMProcessor {
 	public:
 		static AllRAMProcessor *Processor(CPU::MOS6502Esque::Type type, bool has_cias = false);
-		virtual ~AllRAMProcessor() {}
+		virtual ~AllRAMProcessor() = default;
 
 		virtual void run_for(const Cycles cycles) = 0;
 		virtual void run_for_instructions(int) = 0;

Reflection/Struct.hpp

@@ -37,7 +37,7 @@ struct Struct {
 		return const_cast<Struct *>(this)->get(name);
 	}
 	virtual std::vector<std::string> values_for(const std::string &name) const = 0;
-	virtual ~Struct() {}
+	virtual ~Struct() = default;
 
 	/*!
 		@returns A string describing this struct. This string has no guaranteed layout, may not be

Storage/Cartridge/Cartridge.hpp

@@ -70,9 +70,9 @@ class Cartridge {
 		const std::vector<Segment> &get_segments() const {
 			return segments_;
 		}
-		virtual ~Cartridge() {}
+		virtual ~Cartridge() = default;
 
-		Cartridge() {}
+		Cartridge() = default;
 		Cartridge(const std::vector<Segment> &segments) : segments_(segments) {}
 
 	protected:

Storage/Disk/Disk.hpp

@@ -24,7 +24,7 @@ namespace Storage::Disk {
 */
 class Disk {
 	public:
-		virtual ~Disk() {}
+		virtual ~Disk() = default;
 
 		/*!
 			@returns the number of discrete positions that this disk uses to model its complete surface area.

Storage/Disk/DiskImage/DiskImage.hpp

@@ -31,7 +31,7 @@ enum class Error {
 */
 class DiskImage {
 	public:
-		virtual ~DiskImage() {}
+		virtual ~DiskImage() = default;
 
 		/*!
 			@returns the distance at which there stops being any further content.

Storage/Disk/Encodings/AppleGCR/Sector.hpp

@@ -56,7 +56,7 @@ struct Sector {
 	};
 	Encoding encoding = Encoding::SixAndTwo;
 
-	Sector() {}
+	Sector() = default;
 
 	Sector(Sector &&rhs) :
 		address(rhs.address),

Storage/Disk/Encodings/MFM/Encoder.cpp

@@ -82,7 +82,7 @@ enum class SurfaceItem {
 class MFMEncoder: public Encoder {
 	public:
 		MFMEncoder(std::vector<bool> &target, std::vector<bool> *fuzzy_target = nullptr) : Encoder(target, fuzzy_target) {}
-		virtual ~MFMEncoder() {}
+		virtual ~MFMEncoder() = default;
 
 		void add_byte(uint8_t input, uint8_t fuzzy_mask = 0) final {
 			crc_generator_.add(input);

Storage/Disk/Encodings/MFM/Encoder.hpp

@@ -42,7 +42,7 @@ std::shared_ptr<Storage::Disk::Track> TrackWithSectors(
 class Encoder {
 	public:
 		Encoder(std::vector<bool> &target, std::vector<bool> *fuzzy_target);
-		virtual ~Encoder() {}
+		virtual ~Encoder() = default;
 		virtual void reset_target(std::vector<bool> &target, std::vector<bool> *fuzzy_target = nullptr);
 
 		virtual void add_byte(uint8_t input, uint8_t fuzzy_mask = 0) = 0;

Storage/Disk/Track/PCMSegment.hpp

@@ -104,7 +104,7 @@ struct PCMSegment {
 		Constructs an instance of PCMSegment where each bit window is 1 unit of time
 		long and @c data is empty.
 	*/
-	PCMSegment() {}
+	PCMSegment() = default;
 
 	/// Empties the PCMSegment.
 	void clear() {

Storage/Disk/Track/Track.hpp

@@ -68,7 +68,7 @@ class HeadPosition {
 */
 class Track {
 	public:
-		virtual ~Track() {}
+		virtual ~Track() = default;
 
 		/*!
 			Describes the location of a track, implementing < to allow for use as a set key.

Storage/MassStorage/MassStorageDevice.hpp

@@ -27,7 +27,7 @@ namespace Storage::MassStorage {
 */
 class MassStorageDevice {
 	public:
-		virtual ~MassStorageDevice() {}
+		virtual ~MassStorageDevice() = default;
 
 		/*!
 			@returns The size of each individual block.

Storage/Tape/Tape.hpp

@@ -39,7 +39,7 @@ class Tape {
 			Time length;
 
 			Pulse(Type type, Time length) : type(type), length(length) {}
-			Pulse() {}
+			Pulse() = default;
 		};
 
 		/*!
@@ -78,7 +78,7 @@ class Tape {
 		*/
 		virtual void seek(Time &time);
 
-		virtual ~Tape() {};
+		virtual ~Tape() = default;
 
 	private:
 		uint64_t offset_;
@@ -98,7 +98,7 @@ class Tape {
 class TapePlayer: public TimedEventLoop, public ClockingHint::Source {
 	public:
 		TapePlayer(int input_clock_rate);
-		virtual ~TapePlayer() {}
+		virtual ~TapePlayer() = default;
 
 		void set_tape(std::shared_ptr<Storage::Tape::Tape> tape);
 		bool has_tape();