From da30228b946f00e6791981957b8ce7c8962293b9 Mon Sep 17 00:00:00 2001
From: Markus Schirp <mbj@schirp-dso.com>
Date: Fri, 21 Jun 2013 18:38:15 +0200
Subject: [PATCH] Prefer Array#at over Array#[] for fixnum index access

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

diff --git a/lib/mutant/mutator/node.rb b/lib/mutant/mutator/node.rb
index a1066ece..47f3143d 100644
--- a/lib/mutant/mutator/node.rb
+++ b/lib/mutant/mutator/node.rb
@@ -28,7 +28,7 @@ module Mutant
       #
       def self.define_named_child(name, index)
         define_method("#{name}") do
-          children[index]
+          children.at(index)
         end
 
         define_method("emit_#{name}_mutations") do