Merge pull request #34 from garyb/enum

Add missing Enum instances for A-E test types

src/Test/QuickCheck/Laws.purs

@@ -5,7 +5,7 @@ module Test.QuickCheck.Laws
 
 import Prelude
 import Control.Monad.Eff.Console (log)
-import Data.Enum (class BoundedEnum)
+import Data.Enum (class Enum, class BoundedEnum)
 import Data.Monoid (class Monoid)
 import Test.QuickCheck (QC)
 import Test.QuickCheck.Arbitrary (class Arbitrary, class Coarbitrary)
@@ -19,6 +19,7 @@ newtype A = A Ordering
 
 derive newtype instance arbitraryA ∷ Arbitrary A
 derive newtype instance boundedA ∷ Bounded A
+derive newtype instance enumA :: Enum A
 derive newtype instance boundedEnumA :: BoundedEnum A
 derive newtype instance coarbitraryA ∷ Coarbitrary A
 derive newtype instance eqA ∷ Eq A
@@ -30,43 +31,46 @@ newtype B = B Ordering
 
 derive newtype instance arbitraryB ∷ Arbitrary B
 derive newtype instance boundedB ∷ Bounded B
+derive newtype instance enumB :: Enum B
 derive newtype instance boundedEnumB :: BoundedEnum B
 derive newtype instance coarbitraryB ∷ Coarbitrary B
 derive newtype instance eqB ∷ Eq B
 derive newtype instance ordB ∷ Ord B
 derive newtype instance semigroupB ∷ Semigroup B
-instance monoidB ∷ Monoid B where mempty = B EQ 
+instance monoidB ∷ Monoid B where mempty = B EQ
 
 newtype C = C Ordering
 
 derive newtype instance arbitraryC ∷ Arbitrary C
 derive newtype instance boundedC ∷ Bounded C
+derive newtype instance enumC :: Enum C
 derive newtype instance boundedEnumC :: BoundedEnum C
 derive newtype instance coarbitraryC ∷ Coarbitrary C
 derive newtype instance eqC ∷ Eq C
 derive newtype instance ordC ∷ Ord C
 derive newtype instance semigroupC ∷ Semigroup C
 instance monoidC ∷ Monoid C where mempty = C EQ
-                                  
+
 newtype D = D Ordering
 
 derive newtype instance arbitraryD ∷ Arbitrary D
 derive newtype instance boundedD ∷ Bounded D
+derive newtype instance enumD :: Enum D
 derive newtype instance boundedEnumD :: BoundedEnum D
 derive newtype instance coarbitraryD ∷ Coarbitrary D
 derive newtype instance eqD ∷ Eq D
 derive newtype instance ordD ∷ Ord D
 derive newtype instance semigroupD ∷ Semigroup D
 instance monoidD ∷ Monoid D where mempty = D EQ
-                                  
+
 newtype E = E Ordering
 
 derive newtype instance arbitraryE ∷ Arbitrary E
 derive newtype instance boundedE ∷ Bounded E
+derive newtype instance enumE :: Enum E
 derive newtype instance boundedEnumE :: BoundedEnum E
 derive newtype instance coarbitraryE ∷ Coarbitrary E
 derive newtype instance eqE ∷ Eq E
 derive newtype instance ordE ∷ Ord E
 derive newtype instance semigroupE ∷ Semigroup E
-instance monoidE ∷ Monoid E where mempty = E EQ                         
-
+instance monoidE ∷ Monoid E where mempty = E EQ