type (!'u, !'s) t = | Positions : (Parsexp__.Positions.Builder.t, unit) t| Sexp : (unit, Parsexp__.Automaton_stack.t) t| Sexp_with_positions : (Parsexp__.Positions.Builder.t,
Parsexp__.Automaton_stack.t)
t| Cst : (Parsexp__Automaton_state_intf.For_cst.t,
Parsexp__.Automaton_stack.For_cst.t)
t