6b4bde14e1
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1903 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
47 lines
1.2 KiB
Plaintext
47 lines
1.2 KiB
Plaintext
|
|
:- protocol(comparingp).
|
|
|
|
:- info([
|
|
version is 1.0,
|
|
author is 'Paulo Moura',
|
|
date is 2000/7/24,
|
|
comment is 'Comparing protocol using overloading of standard operators.']).
|
|
|
|
:- public((<)/2).
|
|
:- mode(<(+term, +term), zero_or_one).
|
|
:- info((<)/2, [
|
|
comment is 'True if Term1 is less than Term2.',
|
|
argnames is ['Term1', 'Term2']]).
|
|
|
|
:- public((=<)/2).
|
|
:- mode(=<(+term, +term), zero_or_one).
|
|
:- info((=<)/2, [
|
|
comment is 'True if Term1 is less or equal than Term2.',
|
|
argnames is ['Term1', 'Term2']]).
|
|
|
|
:- public((>)/2).
|
|
:- mode(>(+term, +term), zero_or_one).
|
|
:- info((>)/2, [
|
|
comment is 'True if Term1 is greater than Term2.',
|
|
argnames is ['Term1', 'Term2']]).
|
|
|
|
:- public((>=)/2).
|
|
:- mode(>=(+term, +term), zero_or_one).
|
|
:- info((>=)/2, [
|
|
comment is 'True if Term1 is equal or grater than Term2.',
|
|
argnames is ['Term1', 'Term2']]).
|
|
|
|
:- public((=:=)/2).
|
|
:- mode(=:=(+term, +term), zero_or_one).
|
|
:- info((=:=)/2, [
|
|
comment is 'True if Term1 is equal to Term2.',
|
|
argnames is ['Term1', 'Term2']]).
|
|
|
|
:- public((=\=)/2).
|
|
:- mode(=\=(+term, +term), zero_or_one).
|
|
:- info((=\=)/2, [
|
|
comment is 'True if Term1 is not equal to Term2.',
|
|
argnames is ['Term1', 'Term2']]).
|
|
|
|
:- end_protocol.
|