X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FMeta%2FTypeConstraint%2FUnion.pm;h=1aa8354353cb0a04ed945e1adc9e82faeb68a2ef;hb=aead17e74252e3884f9f8e39912ca98fdf4b4dd5;hp=05c63daa2e3d7b3cdaf26964d9a34e494700098f;hpb=07b0f1a5599bf1a0ed99933200ca27290e9a468a;p=gitmo%2FMoose.git

diff --git a/lib/Moose/Meta/TypeConstraint/Union.pm b/lib/Moose/Meta/TypeConstraint/Union.pm
index 05c63da..1aa8354 100644
--- a/lib/Moose/Meta/TypeConstraint/Union.pm
+++ b/lib/Moose/Meta/TypeConstraint/Union.pm
@@ -7,7 +7,8 @@ use metaclass;
 
 use Moose::Meta::TypeCoercion::Union;
 
-our $VERSION   = '0.51';
+our $VERSION   = '0.62';
+$VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
 use base 'Moose::Meta::TypeConstraint';
@@ -20,7 +21,8 @@ __PACKAGE__->meta->add_attribute('type_constraints' => (
 sub new { 
     my ($class, %options) = @_;
     my $self = $class->SUPER::new(
-        name     => (join ' | ' => map { $_->name } @{$options{type_constraints}}),
+        name     => (join '|' => sort {$a cmp $b}
+                     map { $_->name } @{$options{type_constraints}}),
         parent   => undef,
         message  => undef,
         hand_optimized_type_constraint => undef,
@@ -98,6 +100,29 @@ sub is_subtype_of {
     return 0;
 }
 
+sub create_child_type {
+    my ( $self, %opts ) = @_;
+
+    my $constraint
+        = Moose::Meta::TypeConstraint->new( %opts, parent => $self );
+
+    # if we have a type constraint union, and no
+    # type check, this means we are just aliasing
+    # the union constraint, which means we need to
+    # handle this differently.
+    # - SL
+    if ( not( defined $opts{constraint} )
+        && $self->has_coercion ) {
+        $constraint->coercion(
+            Moose::Meta::TypeCoercion::Union->new(
+                type_constraint => $self,
+            )
+        );
+    }
+
+    return $constraint;
+}
+
 1;
 
 __END__
@@ -111,7 +136,7 @@ Moose::Meta::TypeConstraint::Union - A union of Moose type constraints
 =head1 DESCRIPTION
 
 This metaclass represents a union of Moose type constraints. More 
-details to be explained later (possibly in a Cookbook::Recipe).
+details to be explained later (possibly in a Cookbook recipe).
 
 This actually used to be part of Moose::Meta::TypeConstraint, but it 
 is now better off in it's own file. 
@@ -180,6 +205,8 @@ anyway. They are here for completeness.
 
 =item B<has_hand_optimized_type_constraint>
 
+=item B<create_child_type>
+
 =back
 
 =head1 BUGS