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yap-6.3/Logtalk/library/loopp.lgt

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:- protocol(loopp).
:- info([
version is 1.0,
author is 'Paulo Moura',
date is 2000/7/24,
comment is 'Loop control structures protocol.']).
:- public(dowhile/2).
:- metapredicate(dowhile(::, ::)).
:- mode(dowhile(+callable, @callable), zero_or_one).
:- info(dowhile/2, [
comment is 'Do Action while Condition is true.',
argnames is ['Action', 'Condition']]).
:- public(forto/3).
:- metapredicate(forto(*, *, ::)).
:- mode(forto(+integer, +integer, @callable), zero_or_one).
:- info(forto/3, [
comment is 'Counting from First to Last do Call.',
argnames is ['First', 'Last', 'Call']]).
:- public(forto/4).
:- metapredicate(forto(*, *, *, ::)).
:- mode(forto(-integer, +integer, +integer, @callable), zero_or_one).
:- info(forto/4, [
comment is 'Do Call counting from First to Last and instantiating Count to each sucessive value.',
argnames is ['Count', 'First', 'Last', 'Call']]).
:- public(fordownto/3).
:- metapredicate(fordownto(*, *, ::)).
:- mode(fordownto(+integer, +integer, @callable), zero_or_one).
:- info(fordownto/3, [
comment is 'Counting from First to Last do Call.',
argnames is ['First', 'Last', 'Call']]).
:- public(fordownto/4).
:- metapredicate(fordownto(*, *, *, ::)).
:- mode(fordownto(-integer, +integer, +integer, @callable), zero_or_one).
:- info(fordownto/4, [
comment is 'Do Call counting from First to Last and instantiating Count to each sucessive value.',
argnames is ['Count', 'First', 'Last', 'Call']]).
:- public(whiledo/2).
:- metapredicate(whiledo(::, ::)).
:- mode(whiledo(+callable, @callable), zero_or_one).
:- info(whiledo/2, [
comment is 'While Condition is true do Action.',
argnames is ['Condition', 'Action']]).
:- end_protocol.