From: Vincent Pit <vince@profvince.com>
Date: Sun, 22 Feb 2009 11:08:30 +0000 (+0100)
Subject: A note on global destruction and free callbacks
X-Git-Tag: v0.32~13
X-Git-Url: http://git.vpit.fr/?a=commitdiff_plain;h=a7d4b31f4786fe41cd52432d97ce50186fee7d2e;p=perl%2Fmodules%2FVariable-Magic.git

A note on global destruction and free callbacks
---

diff --git a/lib/Variable/Magic.pm b/lib/Variable/Magic.pm
index ac1f806..45ba9b5 100644
--- a/lib/Variable/Magic.pm
+++ b/lib/Variable/Magic.pm
@@ -293,6 +293,8 @@ However, only the return value of the C<len> callback currently holds a meaning.
                      set  => sub { print STDERR "set to ${$_[0]}\n" },
                      free => sub { print STDERR "${$_[0]} was deleted\n" }
 
+Note that C<free> callbacks are I<never> called during global destruction, as there's no way to ensure that the wizard and the C<free> coderef weren't destroyed before the scalar.
+
 =cut
 
 sub wizard {