module Backpatched: Backpatched
module Hole:sig
..end
type 'a
t
val create : 'a -> 'a t
val of_hole : 'a Hole.t -> 'a t
val get_exn : 'a t -> 'a
get
from a hole that has not been filled.val sexp_of_t : ('a -> Sexplib.Sexp.t) -> 'a t -> Sexplib.Sexp.t
get
from a hole that has not been filled.