-PushButton& PushButton::operator=( const PushButton& pushButton )
-{
- if( &pushButton != this )
- {
- Button::operator=( pushButton );
- }
- return *this;
-}
+PushButton::PushButton( PushButton&& rhs ) = default;
+
+PushButton& PushButton::operator=( const PushButton& pushButton ) = default;
+
+PushButton& PushButton::operator=( PushButton&& rhs ) = default;