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What would you like to do?
Where is Waldo?
require 'active_support/all'
@store = ActiveSupport::HashWithIndifferentAccess.new
def my_hash
@store[:foo] ||= {bar: 'BAR'}
end
my_hash[:waldo] = 'WALDO'
my_hash[:baz] = 'BAZ'
my_hash[:qux] = 'QUX'
puts my_hash
@yemartin
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yemartin commented Sep 2, 2015

The answer was given by Matt Jones on the rubyonrails-core mailing list:

https://groups.google.com/d/msg/rubyonrails-core/SvRAIOu-hoU/4rXrXubUHQAJ

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