From eacb4264af7593a41487625d5a7a6f6986c58b47 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Mon, 12 May 2014 11:38:23 -0700
Subject: Hash#except is expensive and this is a hotspot, so use a dup + delete

---
 actionpack/lib/action_dispatch/routing/route_set.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'actionpack/lib/action_dispatch/routing')

diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb
index 1ec6fa674b..440193cb42 100644
--- a/actionpack/lib/action_dispatch/routing/route_set.rb
+++ b/actionpack/lib/action_dispatch/routing/route_set.rb
@@ -657,7 +657,8 @@ module ActionDispatch
           script_name = original_script_name + script_name
         end
 
-        path_options = options.except(*RESERVED_OPTIONS)
+        path_options = options.dup
+        RESERVED_OPTIONS.each { |ro| path_options.delete ro }
         path_options = yield(path_options) if block_given?
 
         path, params = generate(path_options, recall || {})
-- 
cgit v1.2.3