1 files changed, 25 insertions, 28 deletions

diff --git a/src/utils.ml b/src/utils.ml
index 8d1094e..62ae3a5 100644
--- a/src/utils.ml
+++ b/src/utils.ml
@@ -1,36 +1,33 @@
-module Utils = struct
-    exception Empty_list
-    let fold fn = function
-        | [] -> raise Empty_list
-        | head :: tail -> List.fold_left fn head tail
+exception Empty_list
+let fold fn = function
+    | [] -> raise Empty_list
+    | head :: tail -> List.fold_left fn head tail
 
-    let list_min ls = fold Stdlib.min ls
-    let list_max ls = fold Stdlib.max ls
+let list_min ls = fold Stdlib.min ls
+let list_max ls = fold Stdlib.max ls
 
-    let rec repeat n a =
-        if n <= 0
-        then []
-        else a :: repeat (n - 1) a
+let rec repeat n a =
+    if n <= 0
+    then []
+    else a :: repeat (n - 1) a
 
-    let empty ls = (ls = [])
+let empty ls = (ls = [])
 
-    let rec zip l1 l2 =
-        match (l1, l2) with
-        | ([], _) -> []
-        | (_, []) -> []
-        | (h1 :: t1, h2 :: t2) -> (h1, h2) :: zip t1 t2
+let rec zip l1 l2 =
+    match (l1, l2) with
+    | ([], _) -> []
+    | (_, []) -> []
+    | (h1 :: t1, h2 :: t2) -> (h1, h2) :: zip t1 t2
 
-    let rec transpose = function
-        | [] :: _ -> []
-        | ls -> List.(map hd ls) :: transpose List.(map tl ls)
+let rec transpose = function
+    | [] :: _ -> []
+    | ls -> List.(map hd ls) :: transpose List.(map tl ls)
 
-    let flip f a b = f b a
+let flip f a b = f b a
 
-    let rot_right ls = List.(rev ls |> transpose)
-    let rot_left ls  = List.(transpose ls |> rev)
-
-    let saturating_sub b a =
-        if a < b then 0
-        else a - b
-end
+let rot_right ls = List.(rev ls |> transpose)
+let rot_left ls  = List.(transpose ls |> rev)
 
+let saturating_sub b a =
+    if a < b then 0
+    else a - b