package tezos-base

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type (!'a, !'e) t = ('a, 'e) result =
  1. | Ok of 'a
  2. | Error of 'e
val ok : 'a -> ('a, 'e) result
val ok_s : 'a -> ('a, 'e) result Lwt.t
val error : 'e -> ('a, 'e) result
val error_s : 'e -> ('a, 'e) result Lwt.t
val value : ('a, 'e) result -> default:'a -> 'a
val value_f : ('a, 'e) result -> default:(unit -> 'a) -> 'a
val bind : ('a, 'e) result -> ('a -> ('b, 'e) result) -> ('b, 'e) result
val bind_error : ('a, 'e) result -> ('e -> ('a, 'f) result) -> ('a, 'f) result
val map : ('a -> 'b) -> ('a, 'e) result -> ('b, 'e) result
val map_error : ('e -> 'f) -> ('a, 'e) result -> ('a, 'f) result
val bind_s : ('a, 'e) result -> ('a -> ('b, 'e) result Lwt.t) -> ('b, 'e) result Lwt.t
val bind_error_s : ('a, 'e) result -> ('e -> ('a, 'f) result Lwt.t) -> ('a, 'f) result Lwt.t
val join : (('a, 'e) result, 'e) result -> ('a, 'e) result
val map_e : ('a -> ('b, 'e) result) -> ('a, 'e) result -> ('b, 'e) result
val map_s : ('a -> 'b Lwt.t) -> ('a, 'e) result -> ('b, 'e) result Lwt.t
val map_es : ('a -> ('b, 'e) result Lwt.t) -> ('a, 'e) result -> ('b, 'e) result Lwt.t
val map_error_e : ('e -> ('a, 'f) result) -> ('a, 'e) result -> ('a, 'f) result
val map_error_s : ('e -> 'f Lwt.t) -> ('a, 'e) result -> ('a, 'f) result Lwt.t
val map_error_es : ('e -> ('a, 'f) result Lwt.t) -> ('a, 'e) result -> ('a, 'f) result Lwt.t
val fold : ok:('a -> 'c) -> error:('e -> 'c) -> ('a, 'e) result -> 'c
val iter : ('a -> unit) -> ('a, 'e) result -> unit
val iter_s : ('a -> unit Lwt.t) -> ('a, 'e) result -> unit Lwt.t
val iter_error : ('e -> unit) -> ('a, 'e) result -> unit
val iter_error_s : ('e -> unit Lwt.t) -> ('a, 'e) result -> unit Lwt.t
val is_ok : ('a, 'e) result -> bool
val is_error : ('a, 'e) result -> bool
val equal : ok:('a -> 'a -> bool) -> error:('e -> 'e -> bool) -> ('a, 'e) result -> ('a, 'e) result -> bool
val compare : ok:('a -> 'a -> int) -> error:('e -> 'e -> int) -> ('a, 'e) result -> ('a, 'e) result -> int
val to_option : ('a, 'e) result -> 'a option
val of_option : error:'e -> 'a option -> ('a, 'e) result
val to_list : ('a, 'e) result -> 'a list
val to_seq : ('a, 'e) result -> 'a Seq.t
val catch : ?catch_only:(exn -> bool) -> (unit -> 'a) -> ('a, exn) result
val catch_f : ?catch_only:(exn -> bool) -> (unit -> 'a) -> (exn -> 'e) -> ('a, 'e) result
val catch_ef : ?catch_only:(exn -> bool) -> (unit -> ('a, 'error) result) -> (exn -> 'error) -> ('a, 'error) result
val catch_s : ?catch_only:(exn -> bool) -> (unit -> 'a Lwt.t) -> ('a, exn) result Lwt.t
val return : 'a -> ('a, 'e) result
val return_unit : (unit, 'e) result
val return_none : ('a option, 'e) result
val return_some : 'a -> ('a option, 'e) result
val return_nil : ('a list, 'e) result
val return_true : (bool, 'e) result
val return_false : (bool, 'e) result
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