From d1cb3de48fe11adcaeff04c9e3a7bd0774f0672f Mon Sep 17 00:00:00 2001
From: rand00 <oth.rand@gmail.com>
Date: Mon, 11 Apr 2022 12:50:04 +0200
Subject: [PATCH] Opam_graph: Added visualization-version number

---
 src/opam_graph.ml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/opam_graph.ml b/src/opam_graph.ml
index b9b5f9d..40942bc 100644
--- a/src/opam_graph.ml
+++ b/src/opam_graph.ml
@@ -1,4 +1,12 @@
 
+let visualization_version = 1
+(** Remember to increment this when anything changes that can affect the 
+    visualization, e.g.:
+      * algorithm change
+      * UI change
+      * certain library-dependency changes 
+*)
+
 let sprintf = Printf.sprintf
 
 module OSet = OpamPackage.Set