Bump dependencies, fix unused variable warnings

Author: garyb

bower.json

@@ -25,6 +25,6 @@
     "purescript-lists": "^0.7.0",
     "purescript-random": "^0.2.0",
     "purescript-strings": "^0.7.0",
-    "purescript-transformers": "^0.7.1"
+    "purescript-transformers": "^0.8.1"
   }
 }

src/Test/QuickCheck.purs

@@ -106,9 +106,9 @@ instance showResult :: Show Result where
 (<?>) false msg = Failed msg
 
 -- | Self-documenting equality assertion
-(===) :: forall a b. (Eq a, Show a) => a -> a -> Result
+(===) :: forall a. (Eq a, Show a) => a -> a -> Result
 (===) a b = a == b <?> show a ++ " /= " ++ show b
 
 -- | Self-documenting inequality assertion
-(/==) :: forall a b. (Eq a, Show a) => a -> a -> Result
+(/==) :: forall a. (Eq a, Show a) => a -> a -> Result
 (/==) a b = a /= b <?> show a ++ " == " ++ show b

src/Test/QuickCheck/Gen.purs

@@ -161,7 +161,7 @@ evalGen :: forall a. Gen a -> GenState -> a
 evalGen = evalState
 
 -- | Sample a random generator
-sample :: forall r a. Seed -> Size -> Gen a -> Array a
+sample :: forall a. Seed -> Size -> Gen a -> Array a
 sample seed sz g = evalGen (vectorOf sz g) { newSeed: seed, size: sz }
 
 -- | Sample a random generator, using a randomly generated seed