This repository has been archived on 2023-08-20. You can view files and clone it, but cannot push or open issues or pull requests.
yap-6.3/Logtalk/examples/shapes/ph/polygon.lgt
pmoura 0df93ffc6e Logtalk 2.15.6 files.
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@970 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
2004-02-09 14:18:27 +00:00

40 lines
623 B
Plaintext

:- object(polygon,
extends(shape)).
:- info([
author is 'Paulo Moura',
version is 1.1,
date is 2004/1/8,
comment is 'Generic polygon.']).
:- public(nsides/1).
:- mode(nsides(?integer), zero_or_one).
:- info(nsides/1, [
comment is 'Polygon number of sides.',
argnames is ['Number']]).
:- public(area/1).
:- mode(area(-float), zero_or_one).
:- info(area/1, [
comment is 'Polygon area.',
argnames is ['Area']]).
:- public(perimeter/1).
:- mode(perimeter(?atom), zero_or_one).
:- info(perimeter/1, [
comment is 'Polygon perimeter.',
argnames is ['Perimeter']]).
:- end_object.