use Scalar::Util 'weaken', 'blessed';
-our $VERSION = '0.03';
+our $VERSION = '0.63';
our $AUTHORITY = 'cpan:STEVAN';
-sub meta {
- require Class::MOP::Class;
- Class::MOP::Class->initialize(blessed($_[0]) || $_[0]);
-}
+use base 'Class::MOP::Object';
sub new {
my ($class, $meta, @attrs) = @_;
sub is_valid_slot {
my ($self, $slot_name) = @_;
- exists $self->{'@!slots'}->{$slot_name} ? 1 : 0;
+ exists $self->{'@!slots'}->{$slot_name};
}
# operations on created instances
sub get_slot_value {
my ($self, $instance, $slot_name) = @_;
- $self->is_slot_initialized($instance, $slot_name) ? $instance->{$slot_name} : undef;
+ $instance->{$slot_name};
}
sub set_slot_value {
sub is_slot_initialized {
my ($self, $instance, $slot_name, $value) = @_;
- exists $instance->{$slot_name} ? 1 : 0;
+ exists $instance->{$slot_name};
}
sub weaken_slot_value {
sub inline_get_slot_value {
my ($self, $instance, $slot_name) = @_;
- 'exists ' . $self->inline_slot_access($instance, $slot_name) .
- ' ? ' . $self->inline_slot_access($instance, $slot_name) . ' : undef'
+ $self->inline_slot_access($instance, $slot_name);
}
sub inline_set_slot_value {
}
sub inline_is_slot_initialized {
my ($self, $instance, $slot_name) = @_;
- "exists " . $self->inline_slot_access($instance, $slot_name) . " ? 1 : 0";
+ "exists " . $self->inline_slot_access($instance, $slot_name);
}
sub inline_weaken_slot_value {
Class::MOP::Instance - Instance Meta Object
-=head1 SYNOPSIS
-
- # for the most part, this protocol is internal
- # and not for public usage, but this how one
- # might use it
-
- package Foo;
-
- use strict;
- use warnings;
- use metaclass (
- ':instance_metaclass' => 'ArrayBasedStorage::Instance',
- );
-
- # now Foo->new produces blessed ARRAY ref based objects
-
=head1 DESCRIPTION
-This is a sub-protocol which governs instance creation
-and access to the slots of the instance structure.
+The meta instance is used by attributes for low level storage.
+
+Using this API generally violates attribute encapsulation and is not
+recommended, instead look at L<Class::MOP::Attribute/get_value>,
+L<Class::MOP::Attribute/set_value> for the recommended way to fiddle with
+attribute values in a generic way, independent of how/whether accessors have
+been defined. Accessors can be found using L<Class::MOP::Class/get_attribute>.
This may seem like over-abstraction, but by abstracting
this process into a sub-protocol we make it possible to
=item B<clone_instance ($instance_structure)>
+This too does just exactly what it says it does.
+
=back
-=head2 Instrospection
+=head2 Introspection
NOTE: There might be more methods added to this part of the API,
we will add then when we need them basically.
=item B<associated_metaclass>
+This returns the metaclass associated with this instance.
+
=item B<get_all_slots>
This will return the current list of slots based on what was
=item B<is_valid_slot ($slot_name)>
+This will return true if C<$slot_name> is a valid slot name.
+
=back
=head2 Operations on Instance Structures
instance it creates. For this reason, any actions on slots
require that the C<$instance_structure> is passed into them.
+The names of these methods pretty much explain exactly
+what they do, if that is not enough then I suggest reading
+the source, it is very straightfoward.
+
=over 4
=item B<get_slot_value ($instance_structure, $slot_name)>
=head2 Inlineable Instance Operations
-This part of the API is currently un-used. It is there for use
-in future experiments in class finailization mostly. Best to
-ignore this for now.
-
=over 4
=item B<is_inlinable>
Each meta-instance should override this method to tell Class::MOP if it's
-possible to inline the slot access.
-
-This is currently only used by Class::MOP::Class::Immutable when performing
-optimizations.
+possible to inline the slot access. This is currently only used by
+L<Class::MOP::Immutable> when performing optimizations.
=item B<inline_create_instance>