From ca3d2713e663182fd5ab0a31b7666acce6ab58af Mon Sep 17 00:00:00 2001
From: Wolfgang Witt <wittw@cip.ifi.lmu.de>
Date: Tue, 13 Apr 2021 10:31:40 +0000
Subject: [PATCH] Apply 1 suggestion(s) to 1 file(s)

---
 src/Foundation/SiteLayout.hs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/Foundation/SiteLayout.hs b/src/Foundation/SiteLayout.hs
index 8b58cad65..a5dd80bee 100644
--- a/src/Foundation/SiteLayout.hs
+++ b/src/Foundation/SiteLayout.hs
@@ -44,8 +44,7 @@ data CourseFavouriteToggleButton
   | BtnCourseFavouriteToggleAutomatic
   | BtnCourseFavouriteToggleOff
   deriving (Eq, Ord, Read, Show, Enum, Bounded, Generic, Typeable)
-instance Universe CourseFavouriteToggleButton
-instance Finite CourseFavouriteToggleButton
+  deriving anyclass (Universe, Finite)
 
 nullaryPathPiece ''CourseFavouriteToggleButton $ camelToPathPiece' 4