diff --git a/enum.ml b/enum.ml
index 638d7f82..f481c607 100644
--- a/enum.ml
+++ b/enum.ml
@@ -769,6 +769,14 @@ let pp ?(start="") ?(stop="") ?(sep=",") ?(horizontal=false) pp_elem formatter e
   next true;
   Format.fprintf formatter "%s@]" stop
 
+let (@@) = append
+
+let (>>=) e f = flatMap f e
+
+let (--) = int_range
+
+let (|>) x f = f x
+
 module Infix = struct
   let (@@) = append
 
diff --git a/enum.mli b/enum.mli
index f20f1211..04d166c5 100644
--- a/enum.mli
+++ b/enum.mli
@@ -265,10 +265,22 @@ val pp : ?start:string -> ?stop:string -> ?sep:string -> ?horizontal:bool ->
          (Format.formatter -> 'a -> unit) -> Format.formatter -> 'a t -> unit
   (** Pretty print an enum *)
 
+
+val (@@) : 'a t -> 'a t -> 'a t
+
+val (>>=) : 'a t -> ('a -> 'b t) -> 'b t
+
+val (--) : int -> int -> int t
+
+val (|>) : 'a -> ('a -> 'b) -> 'b
+
 module Infix : sig
   val (@@) : 'a t -> 'a t -> 'a t
+
   val (>>=) : 'a t -> ('a -> 'b t) -> 'b t
+  
   val (--) : int -> int -> int t
+  
   val (|>) : 'a -> ('a -> 'b) -> 'b
 end