package Moose::Exception::MetaclassIsARoleNotASubclassOfGivenMetaclass; our $VERSION = '2.2010'; use Moose; extends 'Moose::Exception'; with 'Moose::Exception::Role::Role'; use Moose::Util 'find_meta'; has 'metaclass' => ( is => 'ro', isa => 'Str', required => 1 ); sub _build_message { my $self = shift; my $role_name = $self->role_name; my $role = find_meta( $role_name ); my $metaclass = $self->metaclass; return "$role_name already has a metaclass, but it does not inherit $metaclass ($role). " ."You cannot make the same thing a role and a class. Remove either Moose or Moose::Role."; } __PACKAGE__->meta->make_immutable; 1;