Piers Cawley wrote:
=head1 ABSTRACT
The behaviour of the my Dog $spot syntax should simply be an
assertion of the invariant:
(!defined($spot) || (ref($spot) $spot-isa('Dog)))
Apart from the buglet that Damian pointed out, agree.
Instead of an implementation based on tie, I'd rather
Damian Conway [EMAIL PROTECTED] writes:
Piers wrote:
The behaviour of the my Dog $spot syntax should simply be an
assertion of the invariant:
(!defined($spot) || (ref($spot) $spot-isa('Dog)))
(!defined($spot) || (ref($spot) $spot-isa('Dog')))
=head1 TITLE
Cmy Dog $spot is just an assertion
=head1 VERSION
Maintainer: Piers Cawley [EMAIL PROTECTED]
Date: 12th September 2000
Last Modified: 12th September 2000
Mailing List: [EMAIL PROTECTED]
Version: 0
Status: Draft
=head1 ABSTRACT
The behaviour of the my Dog $spot syntax
Piers wrote:
The behaviour of the my Dog $spot syntax should simply be an
assertion of the invariant:
(!defined($spot) || (ref($spot) $spot-isa('Dog)))
(!defined($spot) || (ref($spot) $spot-isa('Dog')))
Otherwise, AMEN!
Damian
