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package MooseX::ABC::Trait::Class;
use Moose::Role;
use MooseX::AttributeHelpers;
has required_methods => (
metaclass => 'Collection::Array',
is => 'ro',
isa => 'ArrayRef[Str]',
default => sub { [] },
provides => {
push => 'add_required_method',
},
);
after _superclasses_updated => sub {
my $self = shift;
for my $superclass ($self->linearized_isa) {
my $super_meta = Class::MOP::class_of($superclass);
next unless $super_meta->does_role('MooseX::ABC::Trait::Class');
for my $method ($super_meta->required_methods) {
if (!$self->find_method_by_name($method)) {
my $classname = $self->name;
die "$superclass requires $classname to implement $method";
}
}
}
};
no Moose::Role;
1;
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