diff options
| -rw-r--r-- | activesupport/lib/active_support/core_ext/class/attribute.rb | 3 |
1 files changed, 2 insertions, 1 deletions
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 |