spec :: Spec
spec = do
  describe "decodeUtf8" $ do
    it "is inverse to encodeUtf8" $ do
      property $ \xs -> (decodeUtf8 . encodeUtf8) xs `shouldBe` xs
spec :: Spec
spec = do
  describe "decodeUtf8" $ do
    it "is inverse to encodeUtf8" $ do
      property $ \xs -> (decodeUtf8 . encodeUtf8) xs `shouldBe` xs
spec = do
  describe "decodeUtf8" $ do
    it "is inverse to encodeUtf8" $ do
      property $ \xs -> (decodeUtf8 . encodeUtf8) xs `shouldBe` xs