From 180bd65cd048c328dd8123fef7d0ba757d93a23c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Thu, 8 May 2014 13:07:02 +0200
Subject: [PATCH] lib/strings: simplify removePrefix readability

It was discussed as a part of #2570.
---
 lib/strings.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/strings.nix b/lib/strings.nix
index a903aa9fbc49..fa3cdd9711e4 100644
--- a/lib/strings.nix
+++ b/lib/strings.nix
@@ -155,8 +155,8 @@ rec {
       preLen = stringLength pre;
       sLen = stringLength s;
     in
-      if pre == substring 0 preLen s then
-        substring preLen (sub sLen preLen) s
+      if hasPrefix pre s then
+        substring preLen (sLen - preLen) s
       else
         s;