overload::StrVal is needed

diff --git a/lib/Mouse/Meta/Attribute.pm b/lib/Mouse/Meta/Attribute.pm
index e0473a9..0f04759 100644 (file)
--- a/lib/Mouse/Meta/Attribute.pm
+++ b/lib/Mouse/Meta/Attribute.pm
@@ -2,6 +2,7 @@
 package Mouse::Meta::Attribute;
 use strict;
 use warnings;
+require overload;
 
 use Carp 'confess';
 use Mouse::Util qw/blessed weaken/;