assume method usage

gistfile1.rb

class UserController

	before_filter :current_user

	def profile	
		# here you can access current_user object returned by before_filter
	end

	private

	def current_user
		return User.find(session[:user_id])
	end

end

class UserController
	assume(:current_user) { User.find(session[:user_id]) }

	def profile
		#here current_user object is accessible and even you can using the same in your view files.
	end
end