From 8319ead5947bb0df46e8e5b706e39676881db5e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9o=20Gaspard?= <leo@gaspard.io>
Date: Fri, 12 Apr 2019 20:08:29 +0200
Subject: [PATCH] lib: improve the implementation of the unique function

---
 lib/lists.nix | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/lists.nix b/lib/lists.nix
index 9f2ccc00caf..30d87ece664 100644
--- a/lib/lists.nix
+++ b/lib/lists.nix
@@ -633,8 +633,7 @@ rec {
     else
       let
         x = head list;
-        xs = unique (drop 1 list);
-      in [x] ++ remove x xs;
+      in [x] ++ unique (remove x list);
 
   /* Intersects list 'e' and another list. O(nm) complexity.