Fix warnings revealed by v0.14.1 PS release (#48)

* Fix warnings revealed by v0.14.1 PS release

* Update changelog

Author: JordanMartinez

CHANGELOG.md

@@ -11,6 +11,7 @@ New features:
 Bugfixes:
 
 Other improvements:
+- Fix warnings revealed by v0.14.1 PS release (#48 by @JordanMartinez)
 
 ## [v6.0.0](https://github.com/purescript/purescript-tuples/releases/tag/v6.0.0) - 2021-02-26
 

src/Data/Tuple.purs

@@ -106,7 +106,7 @@ instance bindTuple :: (Semigroup a) => Bind (Tuple a) where
 instance monadTuple :: (Monoid a) => Monad (Tuple a)
 
 instance extendTuple :: Extend (Tuple a) where
-  extend f t@(Tuple a b) = Tuple a (f t)
+  extend f t@(Tuple a _) = Tuple a (f t)
 
 instance comonadTuple :: Comonad (Tuple a) where
   extract = snd