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require 'active_support/deprecation/proxy_wrappers'
module Rails
class DeprecatedConstant < ActiveSupport::Deprecation::DeprecatedConstantProxy
def self.deprecate(old, current)
# double assignment is used to avoid "assigned but unused variable" warning
constant = constant = new(old, current)
eval "::#{old} = constant"
end
private
def target
::Kernel.eval @new_const.to_s
end
end
DeprecatedConstant.deprecate('RAILS_CACHE', '::Rails.cache')
end
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