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| 2 | :- protocol(loopp). |
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| 3 | |
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| 4 | |
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| 5 | :- info([ |
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| 6 | version is 1.0, |
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| 7 | author is 'Paulo Moura', |
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| 8 | date is 2000/7/24, |
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| 9 | comment is 'Loop control structures protocol.']). |
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| 10 | |
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| 11 | |
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| 12 | :- public(dowhile/2). |
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| 13 | :- metapredicate(dowhile(::, ::)). |
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| 14 | |
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| 15 | :- mode(dowhile(+callable, @callable), zero_or_one). |
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| 16 | |
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| 17 | :- info(dowhile/2, [ |
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| 18 | comment is 'Do Action while Condition is true.', |
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| 19 | argnames is ['Action', 'Condition']]). |
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| 20 | |
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| 21 | |
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| 22 | :- public(forto/3). |
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| 23 | :- metapredicate(forto(*, *, ::)). |
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| 24 | |
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| 25 | :- mode(forto(+integer, +integer, @callable), zero_or_one). |
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| 26 | |
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| 27 | :- info(forto/3, [ |
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| 28 | comment is 'Counting from First to Last do Call.', |
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| 29 | argnames is ['First', 'Last', 'Call']]). |
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| 30 | |
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| 31 | |
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| 32 | :- public(forto/4). |
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| 33 | :- metapredicate(forto(*, *, *, ::)). |
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| 34 | |
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| 35 | :- mode(forto(-integer, +integer, +integer, @callable), zero_or_one). |
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| 36 | |
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| 37 | :- info(forto/4, [ |
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| 38 | comment is 'Do Call counting from First to Last and instantiating Count to each sucessive value.', |
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| 39 | argnames is ['Count', 'First', 'Last', 'Call']]). |
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| 40 | |
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| 41 | |
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| 42 | :- public(fordownto/3). |
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| 43 | :- metapredicate(fordownto(*, *, ::)). |
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| 44 | |
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| 45 | :- mode(fordownto(+integer, +integer, @callable), zero_or_one). |
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| 46 | |
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| 47 | :- info(fordownto/3, [ |
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| 48 | comment is 'Counting from First to Last do Call.', |
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| 49 | argnames is ['First', 'Last', 'Call']]). |
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| 50 | |
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| 51 | |
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| 52 | :- public(fordownto/4). |
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| 53 | :- metapredicate(fordownto(*, *, *, ::)). |
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| 54 | |
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| 55 | :- mode(fordownto(-integer, +integer, +integer, @callable), zero_or_one). |
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| 56 | |
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| 57 | :- info(fordownto/4, [ |
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| 58 | comment is 'Do Call counting from First to Last and instantiating Count to each sucessive value.', |
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| 59 | argnames is ['Count', 'First', 'Last', 'Call']]). |
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| 60 | |
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| 61 | |
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| 62 | :- public(whiledo/2). |
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| 63 | :- metapredicate(whiledo(::, ::)). |
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| 64 | |
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| 65 | :- mode(whiledo(+callable, @callable), zero_or_one). |
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| 66 | |
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| 67 | :- info(whiledo/2, [ |
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| 68 | comment is 'While Condition is true do Action.', |
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| 69 | argnames is ['Condition', 'Action']]). |
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| 70 | |
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| 71 | |
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| 72 | :- end_protocol. |
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