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Clarify thread_mattr_accessor subclass behavior documentation

[ci skip]
This commit is contained in:
Nate Berkopec 2015-12-17 10:31:54 -05:00
parent ff85101730
commit 0c28a06495

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@ -96,23 +96,24 @@ class Module
# Defines both class and instance accessors for class attributes.
#
# class Current
# class Account
# thread_mattr_accessor :user
# end
#
# Current.user = "DHH"
# Current.user # => "DHH"
# Current.new.user # => "DHH"
# Account.user = "DHH"
# Account.user # => "DHH"
# Account.new.user # => "DHH"
#
# If a subclass changes the value then that will not change the value for
# parent class. Similarly if parent class changes the value then that will not
# change the value of subclasses either.
# If a subclass changes the value, the parent class' value is not changed.
# Similarly, if the parent class changes the value, the value of subclasses
# is not changed.
#
# class Customer < Account
# end
#
# Customer.user = "Rafael"
# Account.user # => "DHH"
# Customer.user # => "Rafael"
# Account.user # => "DHH"
#
# To opt out of the instance writer method, pass <tt>instance_writer: false</tt>.
# To opt out of the instance reader method, pass <tt>instance_reader: false</tt>.