X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FUtil%2FTypeConstraints.pm;h=73ad008205a3b09d8cba81654b0ddf61ff6a083a;hb=983d58a5ea543a21c48cb04311883f1b36de1874;hp=958ffb7c4a526660e79500d6fe9346c98d415cfe;hpb=59afef985b4a8c91e505715d75457b35656e4013;p=gitmo%2FMouse.git

diff --git a/lib/Mouse/Util/TypeConstraints.pm b/lib/Mouse/Util/TypeConstraints.pm
index 958ffb7..73ad008 100644
--- a/lib/Mouse/Util/TypeConstraints.pm
+++ b/lib/Mouse/Util/TypeConstraints.pm
@@ -290,8 +290,9 @@ sub _find_or_create_parameterized_type{
 }
 
 sub _find_or_create_union_type{
-    return if grep{ not defined } @_;
-    my @types = sort map{ $_->{type_constraints} ? @{$_->{type_constraints}} : $_ } @_;
+    return if grep{ not defined } @_; # all things must be defined
+    my @types = sort
+        map{ $_->{type_constraints} ? @{$_->{type_constraints}} : $_ } @_;
 
     my $name = join '|', @types;
 
@@ -431,7 +432,7 @@ Mouse::Util::TypeConstraints - Type constraint system for Mouse
 
 =head1 VERSION
 
-This document describes Mouse version 0.84
+This document describes Mouse version 0.94
 
 =head2 SYNOPSIS