tracks/haskell/exercises/triangle/src/Triangle.hs in trackler-2.0.6.11 vs tracks/haskell/exercises/triangle/src/Triangle.hs in trackler-2.0.6.12

@@ -4,6 +4,6 @@
                   | Isosceles
                   | Scalene
                   | Illegal
                   deriving (Eq, Show)
 
-triangleType = undefined
+triangleType = error "You need to implement this function."