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Merge pull request #8641 from arunagw/warning_removed_unused_var

Remove 'assigned but unused variable' warning
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2 parents f75addd + f71aa35 commit 90397de416bb4d9d852a1baa65f954c81bf9911a @steveklabnik steveklabnik committed Dec 28, 2012
Showing with 2 additions and 1 deletion.
  1. +2 −1 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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