From 0045f37681acdb8fe844fb8118e93cfe9d73140d Mon Sep 17 00:00:00 2001
From: Carlhuda <carlhuda@engineyard.com>
Date: Mon, 8 Mar 2010 12:30:51 -0800
Subject: [PATCH] Whoops. We meant to switch from returning to tap, not vice
 versa

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

diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index e6c563d7b7..dee4516fbe 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -85,7 +85,7 @@ module ActionDispatch
           end
 
           def requirements
-            @requirements ||= returning(@options[:constraints] || {}) do |requirements|
+            @requirements ||= (@options[:constraints] || {}).tap do |requirements|
               requirements.reverse_merge!(@scope[:constraints]) if @scope[:constraints]
               @options.each { |k, v| requirements[k] = v if v.is_a?(Regexp) }
             end