+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+use lib qw{blib/arch blib/lib};
+use Variable::Magic qw/wizard getsig cast/;
+use Tie::Hash;
+
+my $wiz = wizard copy => sub { print STDERR "COPY $_[2] => $_[3]\n" },
+ free => sub { print STDERR "FREE\n" };
+my %h;
+tie %h, 'Tie::StdHash';
+%h = (a => 1, b => 2);
+cast %h, $wiz;
+$h{b} = 3;
+my $x = delete $h{b};
+$x == 3 or die 'incorrect';