2 files changed, 30 insertions, 0 deletions
diff --git a/script.it/outline/dune b/script.it/outline/dune
new file mode 100755
index 0000000..db080a3
--- /dev/null
+++ b/script.it/outline/dune
@@ -0,0 +1,9 @@
+(library 
+  (name outline)
+ (libraries 
+   path)
+ (modules outline)
+ (preprocess (pps ppx_hash js_of_ocaml-ppx))
+ )
+
+
diff --git a/script.it/outline/outline.ml b/script.it/outline/outline.ml
new file mode 100755
index 0000000..1df7588
--- /dev/null
+++ b/script.it/outline/outline.ml
@@ -0,0 +1,21 @@
+open StdLabels
+
+let internal_path_id = ref 0
+
+type t =
+  { id : int
+  ; path: Path.Fixed.t
+  ; back: Path.Fixed.t
+  }
+
+let get_id () =
+  let id = !internal_path_id in
+  incr internal_path_id;
+  id
+
+let find
+  : t list -> int -> t option
+  = fun ts id ->
+    List.find_opt
+      ts
+      ~f:(fun p -> p.id = id)