Add move constructors and assignment operators to wpilibc (#1314)

Fixes #898.

wpilibc/src/main/native/include/frc/buttons/Button.h

@@ -25,6 +25,10 @@ namespace frc {
  */
 class Button : public Trigger {
  public:
+  Button() = default;
+  Button(Button&&) = default;
+  Button& operator=(Button&&) = default;
+
   /**
    * Specifies the command to run when a button is first pressed.
    *

wpilibc/src/main/native/include/frc/buttons/ButtonScheduler.h

@@ -16,6 +16,10 @@ class ButtonScheduler {
  public:
   ButtonScheduler(bool last, Trigger* button, Command* orders);
   virtual ~ButtonScheduler() = default;
+
+  ButtonScheduler(ButtonScheduler&&) = default;
+  ButtonScheduler& operator=(ButtonScheduler&&) = default;
+
   virtual void Execute() = 0;
   void Start();
 

wpilibc/src/main/native/include/frc/buttons/CancelButtonScheduler.h

@@ -18,6 +18,10 @@ class CancelButtonScheduler : public ButtonScheduler {
  public:
   CancelButtonScheduler(bool last, Trigger* button, Command* orders);
   virtual ~CancelButtonScheduler() = default;
+
+  CancelButtonScheduler(CancelButtonScheduler&&) = default;
+  CancelButtonScheduler& operator=(CancelButtonScheduler&&) = default;
+
   virtual void Execute();
 
  private:

wpilibc/src/main/native/include/frc/buttons/HeldButtonScheduler.h

@@ -18,6 +18,10 @@ class HeldButtonScheduler : public ButtonScheduler {
  public:
   HeldButtonScheduler(bool last, Trigger* button, Command* orders);
   virtual ~HeldButtonScheduler() = default;
+
+  HeldButtonScheduler(HeldButtonScheduler&&) = default;
+  HeldButtonScheduler& operator=(HeldButtonScheduler&&) = default;
+
   virtual void Execute();
 };
 

wpilibc/src/main/native/include/frc/buttons/InternalButton.h

@@ -17,6 +17,9 @@ class InternalButton : public Button {
   explicit InternalButton(bool inverted);
   virtual ~InternalButton() = default;
 
+  InternalButton(InternalButton&&) = default;
+  InternalButton& operator=(InternalButton&&) = default;
+
   void SetInverted(bool inverted);
   void SetPressed(bool pressed);
 

wpilibc/src/main/native/include/frc/buttons/JoystickButton.h

@@ -17,6 +17,9 @@ class JoystickButton : public Button {
   JoystickButton(GenericHID* joystick, int buttonNumber);
   virtual ~JoystickButton() = default;
 
+  JoystickButton(JoystickButton&&) = default;
+  JoystickButton& operator=(JoystickButton&&) = default;
+
   virtual bool Get();
 
  private:

wpilibc/src/main/native/include/frc/buttons/NetworkButton.h

@@ -24,6 +24,9 @@ class NetworkButton : public Button {
                 const wpi::Twine& field);
   virtual ~NetworkButton() = default;
 
+  NetworkButton(NetworkButton&&) = default;
+  NetworkButton& operator=(NetworkButton&&) = default;
+
   virtual bool Get();
 
  private:

wpilibc/src/main/native/include/frc/buttons/PressedButtonScheduler.h

@@ -18,6 +18,10 @@ class PressedButtonScheduler : public ButtonScheduler {
  public:
   PressedButtonScheduler(bool last, Trigger* button, Command* orders);
   virtual ~PressedButtonScheduler() = default;
+
+  PressedButtonScheduler(PressedButtonScheduler&&) = default;
+  PressedButtonScheduler& operator=(PressedButtonScheduler&&) = default;
+
   virtual void Execute();
 };
 

wpilibc/src/main/native/include/frc/buttons/ReleasedButtonScheduler.h

@@ -18,6 +18,10 @@ class ReleasedButtonScheduler : public ButtonScheduler {
  public:
   ReleasedButtonScheduler(bool last, Trigger* button, Command* orders);
   virtual ~ReleasedButtonScheduler() = default;
+
+  ReleasedButtonScheduler(ReleasedButtonScheduler&&) = default;
+  ReleasedButtonScheduler& operator=(ReleasedButtonScheduler&&) = default;
+
   virtual void Execute();
 };
 

wpilibc/src/main/native/include/frc/buttons/ToggleButtonScheduler.h

@@ -18,6 +18,10 @@ class ToggleButtonScheduler : public ButtonScheduler {
  public:
   ToggleButtonScheduler(bool last, Trigger* button, Command* orders);
   virtual ~ToggleButtonScheduler() = default;
+
+  ToggleButtonScheduler(ToggleButtonScheduler&&) = default;
+  ToggleButtonScheduler& operator=(ToggleButtonScheduler&&) = default;
+
   virtual void Execute();
 
  private:

wpilibc/src/main/native/include/frc/buttons/Trigger.h

@@ -32,6 +32,10 @@ class Trigger : public SendableBase {
  public:
   Trigger() = default;
   ~Trigger() override = default;
+
+  Trigger(Trigger&&) = default;
+  Trigger& operator=(Trigger&&) = default;
+
   bool Grab();
   virtual bool Get() = 0;
   void WhenActive(Command* command);