slot0 = table.remove return setmetatable({ flush = function (slot0) for slot4 = #slot0, 1, -1 do slot0[slot4] = nil end end, get = function (slot0) return slot0[#slot0] end }, { __call = function (slot0, slot1) if slot1 then slot0[#slot0 + 1] = slot1 else return assert(uv0(slot0), "empty zone stack") end end })