aliases to existing functions

sequence.ml

@@ -129,6 +129,8 @@ let flatMap f seq =
   from_iter
     (fun k -> seq (fun x -> (f x) k))
 
+let flat_map = flatMap
+
 let fmap f seq =
   from_iter
     (fun k ->
@@ -136,6 +138,8 @@ let fmap f seq =
           | None -> ()
           | Some y -> k y))
 
+let filter_map = fmap
+
 (** Insert the given element between every element of the sequence *)
 let intersperse elem seq =
   fun k ->

sequence.mli

@@ -145,9 +145,17 @@ val flatMap : ('a -> 'b t) -> 'a t -> 'b t
   (** Monadic bind. Intuitively, it applies the function to every element of the
       initial sequence, and calls {!concat}. *)
 
+val flat_map : ('a -> 'b t) -> 'a t -> 'b t
+  (** Alias to {!flatMap} with a more explicit name
+      @since NEXT_VERSION *)
+
 val fmap : ('a -> 'b option) -> 'a t -> 'b t
   (** Specialized version of {!flatMap} for options.  *)
 
+val filter_map : ('a -> 'b option) -> 'a t -> 'b t
+  (** Alias to {!fmap} with a more explicit name
+      @since NEXT_VERSION *)
+
 val intersperse : 'a -> 'a t -> 'a t
   (** Insert the single element between every element of the sequence *)