From b86710e953dc6a4403be3f92ae7c1908f4584376 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Wed, 20 Oct 2010 16:06:08 -0500
Subject: if $code is undef, we have an actual error; don't overwrite that

---
 lib/Eval/Closure.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Eval/Closure.pm b/lib/Eval/Closure.pm
index fbd3e2c..719701d 100644
--- a/lib/Eval/Closure.pm
+++ b/lib/Eval/Closure.pm
@@ -77,7 +77,7 @@ sub _clean_eval_closure {
     my $code = eval _make_source(@_);
     my $e = $@;
 
-    if (!ref($code) || ref($code) ne 'CODE') {
+    if (defined($code) && (!ref($code) || ref($code) ne 'CODE')) {
         $e = "The 'source' parameter must return a subroutine reference, "
            . "not $code";
         undef $code;
-- 
cgit v1.2.3-54-g00ecf