module Devise

end
end
manager.oauth(:twitter)
# Configure warden to use other strategies, like oauth.
config.warden do |manager|

config.allow_unconfirmed_access_for = 2.days
Devise.initialize do |config|

initialization.
Sets warden configuration using a block that will be invoked on warden

def self.warden(&block)
  @@warden_config_block = block
end