Another example for const

Author: milesfrain

src/Data/Function.purs

@@ -26,6 +26,12 @@ flip f b a = f a b
 -- | ```purescript
 -- | const 1 "hello" = 1
 -- | ```
+-- |
+-- | Can also be thought of as creating a function that ignores its argument:
+-- |
+-- | ```purescript
+-- | const 1 == \_ -> 1
+-- | ```
 const :: forall a b. a -> b -> a
 const a _ = a