X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FUtil%2FTypeConstraints.pm;h=4f906a91d8251114e5c14a3b9336662fc595c94a;hb=d468e99669162209fc407bc22706a91b8675dbbc;hp=515bdba3ff1f19679f4757077dd78653b43d4ee7;hpb=63da74fd7be3c1236f0ace8684f078ff48fd3e2a;p=gitmo%2FMouse.git

diff --git a/lib/Mouse/Util/TypeConstraints.pm b/lib/Mouse/Util/TypeConstraints.pm
index 515bdba..4f906a9 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 0.85
+This document describes Mouse version 0.92
 
 =head2 SYNOPSIS