changed everything to impl

FlippR-Driver/include/output/items/EightDigitDisplay.h

@@ -0,0 +1,28 @@
+//
+// Created by rhetenor on 20.11.18.
+//
+
+#ifndef FLIPPR_DRIVER_IEIGHTDIGITDISPLAY_H
+#define FLIPPR_DRIVER_IEIGHTDIGITDISPLAY_H
+
+#include "OutputDisplay.h"
+
+#include <array>
+
+namespace flippr_driver
+{
+namespace output
+{
+namespace items
+{
+
+class IEightDigitDisplay : public IOutputDisplay
+{
+public:
+  virtual void write_content(std::array<char, 8> content) = 0;
+};
+
+}
+}
+}
+#endif //FLIPPR_DRIVER_IEIGHTDIGITDISPLAY_H