From c326ab877e8e9d04b672d14b37c7d5fa96d04e7b Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Mon, 24 Mar 2014 18:39:06 +0900
Subject: improve Enumerable#reverse_each to be efficient

---
 mrbgems/mruby-array-ext/mrblib/array.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'mrbgems/mruby-array-ext/mrblib/array.rb')

diff --git a/mrbgems/mruby-array-ext/mrblib/array.rb b/mrbgems/mruby-array-ext/mrblib/array.rb
index 337cef632..feec10ead 100644
--- a/mrbgems/mruby-array-ext/mrblib/array.rb
+++ b/mrbgems/mruby-array-ext/mrblib/array.rb
@@ -201,4 +201,14 @@ class Array
       self.replace(result)
     end
   end
+
+  # for efficiency
+  def reverse_each(&block)
+    i = self.size - 1
+    while i>=0
+      block.call(self[i])
+      i -= 1
+    end
+    self
+  end
 end
-- 
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