From 92572241e2966529360106aec086373d56904dbc Mon Sep 17 00:00:00 2001
From: Alexey Gaziev <alex.gaziev@gmail.com>
Date: Sun, 29 Apr 2012 01:10:58 +0400
Subject: AS core_ext refactoring pt.2

---
 activesupport/lib/active_support/core_ext/hash/diff.rb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'activesupport/lib/active_support/core_ext/hash/diff.rb')

diff --git a/activesupport/lib/active_support/core_ext/hash/diff.rb b/activesupport/lib/active_support/core_ext/hash/diff.rb
index b904f49fa8..855dcb38bc 100644
--- a/activesupport/lib/active_support/core_ext/hash/diff.rb
+++ b/activesupport/lib/active_support/core_ext/hash/diff.rb
@@ -7,7 +7,9 @@ class Hash
   #   {1 => 2}.diff(1 => 3)         # => {1 => 2}
   #   {}.diff(1 => 2)               # => {1 => 2}
   #   {1 => 2, 3 => 4}.diff(1 => 2) # => {3 => 4}
-  def diff(h2)
-    dup.delete_if { |k, v| h2[k] == v }.merge!(h2.dup.delete_if { |k, v| has_key?(k) })
+  def diff(other)
+    dup.
+      delete_if { |k, v| other[k] == v }.
+      merge!(other.dup.delete_if { |k, v| has_key?(k) })
   end
 end
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