X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FTypeRegistry.pm;h=3a38eb35462b759c3cf08213ea6b60fe8d08d23f;hb=f5fbe3cced480252b924d64511d69b325d4ddebd;hp=3e63cec48fa45331fcbbb823704206484d069b38;hpb=1be61030b949daee746b57e7135202c27eeb1c2f;p=gitmo%2FMouse.git

diff --git a/lib/Mouse/TypeRegistry.pm b/lib/Mouse/TypeRegistry.pm
index 3e63cec..3a38eb3 100644
--- a/lib/Mouse/TypeRegistry.pm
+++ b/lib/Mouse/TypeRegistry.pm
@@ -10,8 +10,8 @@ sub optimized_constraints {
         Bool       => sub {
             !defined($_) || $_ eq "" || "$_" eq '1' || "$_" eq '0'
         },
-        Undef      => sub { 1 },
-        Defined    => sub { 1 },
+        Undef      => sub { !defined($_) },
+        Defined    => sub { defined($_) },
         Value      => sub { 1 },
         Num        => sub { 1 },
         Int        => sub { 1 },