80c28e1507
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1357 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
45 lines
621 B
Plaintext
45 lines
621 B
Plaintext
=================================================================
|
|
Logtalk - Object oriented extension to Prolog
|
|
Release 2.25.1
|
|
|
|
Copyright (c) 1998-2005 Paulo Moura. All Rights Reserved.
|
|
=================================================================
|
|
|
|
|
|
% start by loading the example:
|
|
|
|
| ?- logtalk_load(shapes_ph(loader)).
|
|
...
|
|
|
|
|
|
% try some simple queries:
|
|
|
|
|
|
| ?- square::nsides(N).
|
|
|
|
N = 4
|
|
yes
|
|
|
|
|
|
| ?- square::area(A).
|
|
|
|
A = 1
|
|
yes
|
|
|
|
|
|
| ?- q1::(color(Color), side(Side), position(X, Y)).
|
|
|
|
Color = red
|
|
Side = 1
|
|
X = 0
|
|
Y = 0
|
|
yes
|
|
|
|
|
|
| ?- q2::(side(Side), area(Area), perimeter(Perimeter)).
|
|
|
|
Side = 3
|
|
Area = 9
|
|
Perimeter = 12
|
|
yes
|