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CCEither(cleanup): conditionnally use the Either module

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Include the Either module when available (ocaml >= 4.12)
This commit is contained in:
Fardale 2024-12-25 13:46:29 +01:00
parent 5a3c7c7971
commit 931b28ec47
2 changed files with 17 additions and 0 deletions
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8
src/core/CCEither.ml
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@ -5,6 +5,12 @@ type 'a equal = 'a -> 'a -> bool
type 'a ord = 'a -> 'a -> int type 'a ord = 'a -> 'a -> int
type 'a printer = Format.formatter -> 'a -> unit type 'a printer = Format.formatter -> 'a -> unit
[@@@ifge 4.12]
include Either
[@@@else_]
(** {2 Basics} *) (** {2 Basics} *)
type ('a, 'b) t = ('a, 'b) Either.t = type ('a, 'b) t = ('a, 'b) Either.t =
@ -62,6 +68,8 @@ let compare ~left ~right e1 e2 =
| Left l1, Left l2 -> left l1 l2 | Left l1, Left l2 -> left l1 l2
| Right r1, Right r2 -> right r1 r2 | Right r1, Right r2 -> right r1 r2
[@@@endif]
(** {2 IO} *) (** {2 IO} *)
let pp ~left ~right fmt = function let pp ~left ~right fmt = function

9
src/core/CCEither.mli
View file

@ -13,6 +13,13 @@ type 'a equal = 'a -> 'a -> bool
type 'a ord = 'a -> 'a -> int type 'a ord = 'a -> 'a -> int
type 'a printer = Format.formatter -> 'a -> unit type 'a printer = Format.formatter -> 'a -> unit
[@@@ifge 4.12]
include module type of Either
(** @inline *)
[@@@else_]
(** {2 Basics} *) (** {2 Basics} *)
type ('a, 'b) t = ('a, 'b) Either.t = type ('a, 'b) t = ('a, 'b) Either.t =
@ -70,6 +77,8 @@ val compare :
('a, 'b) t -> ('a, 'b) t ->
int int
[@@@endif]
(** {2 IO} *) (** {2 IO} *)
val pp : left:'a printer -> right:'b printer -> ('a, 'b) t printer val pp : left:'a printer -> right:'b printer -> ('a, 'b) t printer