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package MooseX::ArrayRef::Meta::Role::Class;
use Moose::Role;
use List::MoreUtils qw(any);
use Data::OptList;
before superclasses => sub {
my $self = shift;
return if @_ == 0;
my $supers = Data::OptList::mkopt(\@_);
if (@$supers > 1 || any { scalar($_->meta->superclasses) > 1 } $self->linearized_isa) {
$self->throw_error("Multiple inheritance is not supported in the inheritance hierarchy of arrayref-based instances");
}
my $super_meta = Class::MOP::Class->initialize($_[0]);
if (!Moose::Util::does_role($super_meta->instance_metaclass, 'MooseX::ArrayRef::Meta::Role::Instance') && $super_meta->get_all_attributes) {
$self->throw_error("Can't inherit from hashref-based Moose classes");
}
};
before add_attribute => sub {
my $self = shift;
if ($self->subclasses) {
$self->throw_error("Can't add attributes to a class with descendents");
}
};
before rebless_instance => sub {
shift->throw_error("Can't rebless arrayref-based instances");
};
before rebless_instance_back => sub {
shift->throw_error("Can't rebless arrayref-based instances");
};
no Moose::Role;
1;
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