Deprecated: A string that returns itself as its JSON-encoded form.

Methods
N
Class Public methods
new(*args)

Source: show | on GitHub 

# File activesupport/lib/active_support/json/variable.rb, line 7
def initialize(*args)
  message = 'ActiveSupport::JSON::Variable is deprecated and will be removed in Rails 4.1. '                    'For your own custom JSON literals, define #as_json and #encode_json yourself.'
  ActiveSupport::Deprecation.warn message
  super
end