From cb15dc881e67b9b6ae575459f677706cd39d5559 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Mon, 7 Apr 2025 22:52:58 +0200
Subject: [PATCH] added a message to 'no cat in hash' exception in euc

---
 euclid.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/euclid.cpp b/euclid.cpp
index 34336d50..fe13aca0 100644
--- a/euclid.cpp
+++ b/euclid.cpp
@@ -589,7 +589,7 @@ EX namespace euc {
     auto cat = compute_cat(x);
     auto& st = cubemap()->shifttable;
     while(!hash.count(cat)) {
-      if(index == isize(seq)) throw hr_exception();
+      if(index == isize(seq)) throw hr_exception("no cat in hash");
       auto v = seq[index++];
       for(auto s: st) add(v + s);
       }