chore: Add course material

397/SolutionEx21/Light.h

@@ -0,0 +1,30 @@
+// ======================================================
+//
+// Represents a light, implemented as a string written
+// to a console window
+//
+// ======================================================
+
+#ifndef LIGHT_H
+#define LIGHT_H
+
+#include <string>
+
+class Light {
+  public:
+    Light(std::string name, int x, int y, int color);
+    ~Light();
+
+    enum LightState { ON, OFF, FLASH };
+
+    void set(LightState new_state);
+    LightState get(void);
+
+  private:
+    int c; // light colour
+    int x, y;
+    std::string name;
+    LightState state;
+};
+
+#endif