From: Vincent Pit <vince@profvince.com>
Date: Fri, 23 Jul 2010 20:37:25 +0000 (+0200)
Subject: Test handler definedness in LaTeX::TikZ::Functor
X-Git-Tag: v0.02~30
X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2FLaTeX-TikZ.git;a=commitdiff_plain;h=97b908646cec259d9907cfe8ce1f66cb506086ac

Test handler definedness in LaTeX::TikZ::Functor
---

diff --git a/lib/LaTeX/TikZ/Functor.pm b/lib/LaTeX/TikZ/Functor.pm
index e7ee0a6..2b6974e 100644
--- a/lib/LaTeX/TikZ/Functor.pm
+++ b/lib/LaTeX/TikZ/Functor.pm
@@ -60,7 +60,7 @@ BEGIN {
   }
 
   Carp::confess("Invalid handler for target $target")
-                                                  unless ref $handler eq 'CODE';
+                             unless defined $handler and ref $handler eq 'CODE';
 
   return [ $target, $handler, $is_set ];
  });