Module NesResult

Results

Standard Library

This module contains everything defined for lists by the OCaml standard library. For these functions, refer to the official documentation.

include module type of Stdlib.Result
type (!'a, !'e) t = ('a, 'e) Stdlib.result =
  1. | Ok of 'a
  2. | Error of 'e
val ok : 'a -> ('a, 'e) Stdlib.result
val error : 'e -> ('a, 'e) Stdlib.result
val value : ('a, 'e) Stdlib.result -> default:'a -> 'a
val get_ok : ('a, 'e) Stdlib.result -> 'a
val get_error : ('a, 'e) Stdlib.result -> 'e
val bind : ('a, 'e) Stdlib.result -> ('a -> ('b, 'e) Stdlib.result) -> ('b, 'e) Stdlib.result
val join : (('a, 'e) Stdlib.result, 'e) Stdlib.result -> ('a, 'e) Stdlib.result
val map : ('a -> 'b) -> ('a, 'e) Stdlib.result -> ('b, 'e) Stdlib.result
val map_error : ('e -> 'f) -> ('a, 'e) Stdlib.result -> ('a, 'f) Stdlib.result
val fold : ok:('a -> 'c) -> error:('e -> 'c) -> ('a, 'e) Stdlib.result -> 'c
val iter : ('a -> unit) -> ('a, 'e) Stdlib.result -> unit
val iter_error : ('e -> unit) -> ('a, 'e) Stdlib.result -> unit
val is_ok : ('a, 'e) Stdlib.result -> bool
val is_error : ('a, 'e) Stdlib.result -> bool
val equal : ok:('a -> 'a -> bool) -> error:('e -> 'e -> bool) -> ('a, 'e) Stdlib.result -> ('a, 'e) Stdlib.result -> bool
val compare : ok:('a -> 'a -> int) -> error:('e -> 'e -> int) -> ('a, 'e) Stdlib.result -> ('a, 'e) Stdlib.result -> int
val to_option : ('a, 'e) Stdlib.result -> 'a option
val to_list : ('a, 'e) Stdlib.result -> 'a list
val to_seq : ('a, 'e) Stdlib.result -> 'a Stdlib.Seq.t

Additional Contents

val of_string_nonempty : empty:string -> string -> (string, string) Stdlib.result

Maps "" to Error empty and other strings to Ok.

val map_both : ok:('a -> 'b) -> error:('e -> 'f) -> ('a, 'e) Stdlib.result -> ('b, 'f) Stdlib.result