X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FMeta%2FAttribute.pm;h=ed14c497e7621aca1faa2a7ec20c12b6b5144ea7;hb=bf6d766ddc05c71b6f4e679d8907f246d3ca4176;hp=733c1293dda74746f6eeb0aa213c66150cc961d8;hpb=45959ffa208c3156f08f985f42b814fce8559283;p=gitmo%2FMouse.git

diff --git a/lib/Mouse/Meta/Attribute.pm b/lib/Mouse/Meta/Attribute.pm
index 733c129..ed14c49 100644
--- a/lib/Mouse/Meta/Attribute.pm
+++ b/lib/Mouse/Meta/Attribute.pm
@@ -10,14 +10,27 @@ sub new {
     my $class = shift;
     my %args  = @_;
 
-    $args{init_arg} = $args{name}
+    my $name = $args{name};
+
+    $args{init_arg} = $name
         unless exists $args{init_arg};
 
     $args{is} ||= '';
 
-    if ( $args{lazy_build} ) {
-        $args{lazy} = 1;
-        $args{builder} ||= "_build_$args{name}";
+    if ($args{lazy_build}) {
+        confess("You can not use lazy_build and default for the same attribute $name")
+            if exists $args{default};
+        $args{lazy}      = 1;
+        $args{required}  = 1;
+        $args{builder} ||= "_build_${name}";
+        if ($name =~ /^_/) {
+            $args{clearer}   ||= "_clear${name}";
+            $args{predicate} ||= "_has${name}";
+        } 
+        else {
+            $args{clearer}   ||= "clear_${name}";
+            $args{predicate} ||= "has_${name}";
+        }
     }
 
     bless \%args, $class;
@@ -29,6 +42,7 @@ sub _is_metadata      { $_[0]->{is}              }
 sub is_required       { $_[0]->{required}        }
 sub default           { $_[0]->{default}         }
 sub is_lazy           { $_[0]->{lazy}            }
+sub is_lazy_build     { $_[0]->{lazy_build}      }
 sub predicate         { $_[0]->{predicate}       }
 sub clearer           { $_[0]->{clearer}         }
 sub handles           { $_[0]->{handles}         }
@@ -289,7 +303,7 @@ sub get_parent_args {
     my $name  = shift;
 
     for my $super ($class->meta->linearized_isa) {
-        my $super_attr = $super->meta->get_attribute($name)
+        my $super_attr = $super->can("meta") && $super->meta->get_attribute($name)
             or next;
         return %{ $super_attr->_create_args };
     }