From 47c0f622121c329c3bbd2e887d74e27970ce7907 Mon Sep 17 00:00:00 2001
From: Torsten Ruger <torsten@villataika.fi>
Date: Sat, 31 Dec 2016 15:10:07 +0200
Subject: [PATCH] error message

---
 lib/typed/parfait/space.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/typed/parfait/space.rb b/lib/typed/parfait/space.rb
index 4e53b8c7..bab4a5d4 100644
--- a/lib/typed/parfait/space.rb
+++ b/lib/typed/parfait/space.rb
@@ -60,7 +60,7 @@ module Parfait
 
     def add_type(type)
       hash = type.hash
-      raise "upps #{hash}" unless hash.is_a?(Fixnum)
+      raise "upps #{hash} #{hash.class}" unless hash.is_a?(Fixnum)
       was = @types[hash]
       return was if was
       @types[hash] = type