Marked create_rect inline and updated its documentation

src/sdl/rect.cpp

@@ -18,12 +18,6 @@
 
 namespace sdl
 {
-
-SDL_Rect create_rect(const int x, const int y, const int w, const int h)
-{
-	return {x, y, w, h};
-}
-
 bool point_in_rect(int x, int y, const SDL_Rect& rect)
 {
 	return x >= rect.x && y >= rect.y && x < rect.x + rect.w && y < rect.y + rect.h;

src/sdl/rect.hpp

@@ -34,12 +34,15 @@ namespace sdl
 CONSTEXPR const SDL_Rect empty_rect { 0, 0, 0, 0 };
 
 /**
- * Creates an empty SDL_Rect.
+ * Creates an SDL_Rect with the given dimensions.
  *
- * Since SDL_Rect doesn't have a constructor it's not possible to create it as
- * a temporary for a function parameter. This functions overcomes this limit.
+ * This is a simple wrapper in order to avoid the narrowing conversion warnings
+ * that occur when using aggregate initialization and non-int values.
  */
-SDL_Rect create_rect(const int x, const int y, const int w, const int h);
+inline SDL_Rect create_rect(const int x, const int y, const int w, const int h)
+{
+	return {x, y, w, h};
+}
 
 /**
  * Tests whether a point is inside a rectangle.