adding to changelog and changing versions

[gitmo/Class-MOP.git] / lib / Class / MOP / Attribute.pm

diff --git a/lib/Class/MOP/Attribute.pm b/lib/Class/MOP/Attribute.pm
index f8054c3..8173a67 100644 (file)
--- a/lib/Class/MOP/Attribute.pm
+++ b/lib/Class/MOP/Attribute.pm
@@ -9,7 +9,7 @@ use Class::MOP::Method::Accessor;
 use Carp         'confess';
 use Scalar::Util 'blessed', 'reftype', 'weaken';
 
-our $VERSION   = '0.21';
+our $VERSION   = '0.23';
 our $AUTHORITY = 'cpan:STEVAN';
 
 use base 'Class::MOP::Object';
@@ -49,10 +49,16 @@ sub new {
                        "wrap then in a CODE reference (ex: sub { [] } and not [])")
                 if exists $options{default} && ref $options{default};
     }
+    if( $options{required} and not( defined($options{builder}) || defined($options{init_arg}) || exists $options{default} ) ) {
+        confess("A required attribute must have either 'init_arg', 'builder', or 'default'");
+    }
     bless {
         '$!name'      => $name,
         '$!accessor'  => $options{accessor},
         '$!reader'    => $options{reader},
+        # NOTE:
+        # protect this from silliness
+        init_arg => '!............( DO NOT DO THIS )............!',
         '$!writer'    => $options{writer},
         '$!predicate' => $options{predicate},
         '$!clearer'   => $options{clearer},
@@ -88,7 +94,7 @@ sub initialize_instance_slot {
 
     # if nothing was in the %params, we can use the
     # attribute's default value (if it has one)
-    if(exists $params->{$init_arg}){
+    if(defined $init_arg and exists $params->{$init_arg}){
         $meta_instance->set_slot_value($instance, $self->name, $params->{$init_arg});
     } 
     elsif (defined $self->{'$!default'}) {
@@ -736,7 +742,7 @@ Stevan Little E<lt>stevan@iinteractive.comE<gt>
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright 2006, 2007 by Infinity Interactive, Inc.
+Copyright 2006-2008 by Infinity Interactive, Inc.
 
 L<http://www.iinteractive.com>