From 95e2d35bb8421b80e177d82470bcac3b3a63b7e6 Mon Sep 17 00:00:00 2001
From: Molchanov Andrey <neodelf@gmail.com>
Date: Sat, 7 May 2016 20:52:56 +0300
Subject: Replace `loop` to `until`

---
 actionpack/lib/action_dispatch/routing/mapper.rb | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index faa93ecc17..4c2a4cfeb0 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -2088,8 +2088,7 @@ to this:
 
         def each
           node = self
-          loop do
-            break if node.equal? NULL
+          until node.equal? NULL
             yield node
             node = node.parent
           end
-- 
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