From bb2d7f94ba8688f57dc62ca72a857b82368aa784 Mon Sep 17 00:00:00 2001
From: Hugo Herbelin <Hugo.Herbelin@inria.fr>
Date: Wed, 23 May 2018 18:23:28 +0200
Subject: Moving Option.smart_map to Option.Smart.map.

---
 clib/option.ml  | 21 +++++++++++++++------
 clib/option.mli | 13 +++++++++++--
 2 files changed, 26 insertions(+), 8 deletions(-)

(limited to 'clib')

diff --git a/clib/option.ml b/clib/option.ml
index 32fe2fc5f..7a3d5f934 100644
--- a/clib/option.ml
+++ b/clib/option.ml
@@ -100,12 +100,6 @@ let map f = function
   | Some y -> Some (f y)
   | _ -> None
 
-(** [smartmap f x] does the same as [map f x] except that it tries to share
-    some memory. *)
-let smartmap f = function
-  | Some y as x -> let y' = f y in if y' == y then x else Some y'
-  | _ -> None
-
 (** [fold_left f a x] is [f a y] if [x] is [Some y], and [a] otherwise. *)
 let fold_left f a = function
   | Some y -> f a y
@@ -176,6 +170,21 @@ let lift2 f x y =
   | _,_ -> None
 
 
+(** {6 Smart operations} *)
+
+module Smart =
+struct
+
+  (** [Smart.map f x] does the same as [map f x] except that it tries to share
+      some memory. *)
+  let map f = function
+    | Some y as x -> let y' = f y in if y' == y then x else Some y'
+    | _ -> None
+
+end
+
+let smartmap = Smart.map
+
 (** {6 Operations with Lists} *)
 
 module List =
diff --git a/clib/option.mli b/clib/option.mli
index 14fa9da38..8f82bf090 100644
--- a/clib/option.mli
+++ b/clib/option.mli
@@ -75,9 +75,8 @@ val iter2 : ('a -> 'b -> unit) -> 'a option -> 'b option -> unit
 (** [map f x] is [None] if [x] is [None] and [Some (f y)] if [x] is [Some y]. *)
 val map : ('a -> 'b) -> 'a option -> 'b option
 
-(** [smartmap f x] does the same as [map f x] except that it tries to share
-    some memory. *)
 val smartmap : ('a -> 'a) -> 'a option -> 'a option
+[@@ocaml.deprecated "Same as [Smart.map]"]
 
 (** [fold_left f a x] is [f a y] if [x] is [Some y], and [a] otherwise. *)
 val fold_left : ('b -> 'a -> 'b) -> 'b -> 'a option -> 'b
@@ -123,6 +122,16 @@ val lift_left : ('a -> 'b -> 'c) -> 'a option -> 'b -> 'c option
     [Some w]. It is [None] otherwise. *)
 val lift2 : ('a -> 'b -> 'c) -> 'a option -> 'b option -> 'c option
 
+(** {6 Smart operations} *)
+
+module Smart :
+sig
+
+  (** [Smart.map f x] does the same as [map f x] except that it tries to share
+      some memory. *)
+  val map : ('a -> 'a) -> 'a option -> 'a option
+
+end
 
 (** {6 Operations with Lists} *)
 
-- 
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