replace include guards with pragma once

src/window/Camera.hpp

@@ -1,5 +1,4 @@
-#ifndef WINDOW_CAMERA_HPP_
-#define WINDOW_CAMERA_HPP_
+#pragma once
 
 #define GLM_FORCE_RADIANS
 #include <glm/glm.hpp>
@@ -35,5 +34,3 @@ public:
     void setFov(float fov);
     float getFov() const;
 };
-
-#endif  // WINDOW_CAMERA_HPP_

src/window/Events.hpp

@@ -1,5 +1,4 @@
-#ifndef WINDOW_EVENTS_HPP_
-#define WINDOW_EVENTS_HPP_
+#pragma once
 
 #include <string>
 #include <unordered_map>
@@ -56,5 +55,3 @@ public:
         const std::string& filename, const std::string& source
     );
 };
-
-#endif  // WINDOW_EVENTS_HPP_

src/window/Window.hpp

@@ -1,5 +1,4 @@
-#ifndef WINDOW_WINDOW_HPP_
-#define WINDOW_WINDOW_HPP_
+#pragma once
 
 #include <glm/glm.hpp>
 #include <memory>
@@ -63,5 +62,3 @@ public:
 
     static std::unique_ptr<ImageData> takeScreenshot();
 };
-
-#endif  // WINDOW_WINDOW_HPP_

src/window/input.hpp

@@ -1,5 +1,4 @@
-#ifndef WINDOW_INPUT_HPP_
-#define WINDOW_INPUT_HPP_
+#pragma once
 
 #include <string>
 
@@ -167,5 +166,3 @@ struct Binding {
         return "<unknown input type>";
     }
 };
-
-#endif  // WINDOW_INPUT_HPP_