From 1cda3c2d2bf76e217e84a8ead6315341c8f2439b Mon Sep 17 00:00:00 2001
From: Markus Schirp <mbj@schirp-dso.com>
Date: Mon, 11 Aug 2014 18:26:19 +0000
Subject: [PATCH] Simplify differ guard

---
 lib/mutant/diff.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mutant/diff.rb b/lib/mutant/diff.rb
index a97a43ea..666bcef2 100644
--- a/lib/mutant/diff.rb
+++ b/lib/mutant/diff.rb
@@ -18,7 +18,7 @@ module Mutant
     # @api private
     #
     def diff
-      return if diffs.length.equal?(0)
+      return if diffs.empty?
 
       minimized_hunks.map do |hunk|
         hunk.diff(:unified) << NEWLINE