Seems pretty good to me.

The only thing I normally do different in cases like this would be the following:
sub parse {
    my $self=shift;
    my $meth = $self->{_action} || die "Missing action";
    $self->$meth(@_);
}
# it might be better to do this once in the new
# and then call it the way you have it
# I normally check every time as the penalty is low
# and I then know for sure I still have an action.

[download]

Every where else your usages look fine.

my @a=qw(random brilliant braindead); print $a[rand(@a)];

In reply to Re: Seeking advice for OO-related strategy by Rhandom
in thread Seeking advice for OO-related strategy by blazar

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