From 76bc617db9566a2762eb176d7c84e39f58772642 Mon Sep 17 00:00:00 2001 From: Stephen Diehl Date: Wed, 13 Apr 2016 17:09:10 -0400 Subject: [PATCH] functor include --- src/List.hs | 1 + 1 file changed, 1 insertion(+) diff --git a/src/List.hs b/src/List.hs index c820ae873..6d1261ec8 100644 --- a/src/List.hs +++ b/src/List.hs @@ -13,6 +13,7 @@ import Data.Maybe (Maybe(..)) import Data.Ord (Ord, comparing) import Data.Foldable (Foldable, foldr) import Data.Function ((.)) +import Data.Functor (fmap) import Control.Monad (return) import qualified Data.Set as Set