# Module Heap.Removable.Elt

    module Elt: sig .. end

    type 'a t

    val value_exn : 'a t -> 'a

`value_exn t` return the value in the heap controlled by this token if the value is still in the heap. Raise otherwise.

    val sexp_of_t : ('a -> Sexplib.Sexp.t) -> 'a t -> Sexplib.Sexp.t

`value_exn t` return the value in the heap controlled by this token if the value is still in the heap. Raise otherwise.