policy.lua

		local qry = req:initial() -- same as :current() but more descriptive
		return policy.evaluate(policy.rules, req, qry, state)
			or (special_names_optim(req, qry.sname)
					and policy.evaluate(policy.special_names, req, qry, state))
			or state
	end,
	finish = function(state, req)
		-- Optimization for the typical case
		if #policy.postrules == 0 then return state end
		-- Don't act on failed cases.
		if bit.band(state, kres.FAIL) ~= 0 then return state end
		return policy.evaluate(policy.postrules, req, req:initial(), state) or state
	end
}

return policy