Module Moption

A Moption is a mutable option, like 'a option ref, but with a more efficient implementation; in particular, set_some does not allocate.

type !'a t
include Core.Bin_prot.Binable.S1 with type !'a t := 'a t
val bin_shape_t : Bin_prot.Shape.t -> Bin_prot.Shape.t
include sig ... end
val bin_size_t : 'a. ('a, 'a t) Bin_prot.Size.sizer1
val bin_write_t : 'a. ('a, 'a t) Bin_prot.Write.writer1
val bin_read_t : 'a. ('a, 'a t) Bin_prot.Read.reader1
val __bin_read_t__ : 'a. ('a, 'a t) Bin_prot.Read.vtag_reader1
val bin_writer_t : 'a. ('a, 'a t) Bin_prot.Type_class.S1.writer
val bin_reader_t : 'a. ('a, 'a t) Bin_prot.Type_class.S1.reader
val bin_t : 'a. ('a, 'a t) Bin_prot.Type_class.S1.t
include Sexplib0.Sexpable.S1 with type !'a t := 'a t
val t_of_sexp : 'a. (Sexplib0.Sexp.t -> 'a) -> Sexplib0.Sexp.t -> 'a t
val sexp_of_t : 'a. ('a -> Sexplib0.Sexp.t) -> 'a t -> Sexplib0.Sexp.t
include Core.Invariant.S1 with type 'a t := 'a t
val invariant : ('a -> unit) -> 'a t -> unit
module Optional_syntax : Core.Optional_syntax.S1 with type 'a t := 'a t with type 'a value := 'a
val create : unit -> _ t
val is_none : _ t -> bool
val is_some : _ t -> bool
val get : 'a t -> 'a option
val get_some_exn : 'a t -> 'a
val unsafe_get : 'a t -> 'a

Does not check that is_some before unsafely accessing the stored value

val set : 'a t -> 'a option -> unit
val set_none : _ t -> unit
val set_some : 'a t -> 'a -> unit
module Stable : sig ... end