From f71aa354bee1909c8cd3e5872db90bc43d662b7f Mon Sep 17 00:00:00 2001
From: Arun Agrawal <arunagw@gmail.com>
Date: Fri, 28 Dec 2012 23:14:59 +0530
Subject: Remove 'assigned but unused variable' warning
---
activesupport/lib/active_support/core_ext/class/attribute.rb | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
(limited to 'activesupport')
diff --git a/activesupport/lib/active_support/core_ext/class/attribute.rb b/activesupport/lib/active_support/core_ext/class/attribute.rb
index 1504e18839..5d8d09aa69 100644
--- a/activesupport/lib/active_support/core_ext/class/attribute.rb
+++ b/activesupport/lib/active_support/core_ext/class/attribute.rb
@@ -69,7 +69,8 @@ class Class
# To opt out of both instance methods, pass <tt>instance_accessor: false</tt>.
def class_attribute(*attrs)
options = attrs.extract_options!
- instance_reader = options.fetch(:instance_accessor, true) && options.fetch(:instance_reader, true)
+ # double assignment is used to avoid "assigned but unused variable" warning
+ instance_reader = instance_reader = options.fetch(:instance_accessor, true) && options.fetch(:instance_reader, true)
instance_writer = options.fetch(:instance_accessor, true) && options.fetch(:instance_writer, true)
# We use class_eval here rather than define_method because class_attribute
--
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