package Moose::Exception::OnlyInstancesCanBeCloned; our $VERSION = '2.2011'; use Moose; extends 'Moose::Exception'; with 'Moose::Exception::Role::Class', 'Moose::Exception::Role::ParamsHash'; has 'instance' => ( is => 'ro', isa => 'Any', required => 1, ); sub _build_message { my $self = shift; "You can only clone instances, (".$self->instance.") is not a blessed instance"; } __PACKAGE__->meta->make_immutable; 1;