NAME Moo - Minimalist Object Orientation (with Moose compatibility) SYNOPSIS package Cat::Food; use Moo; use strictures 2; use namespace::clean; sub feed_lion { my $self = shift; my $amount = shift || 1; $self->pounds( $self->pounds - $amount ); } has taste => ( is => 'ro', ); has brand => ( is => 'ro', isa => sub { die "Only SWEET-TREATZ supported!" unless $_[0] eq 'SWEET-TREATZ' }, ); has pounds