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use round brackets for meta_predicate declarations

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This is because meta_predicate is not a standard operator.
This commit is contained in:
Markus Triska
2021-09-04 22:02:17 +02:00
parent 9e75eb35a0
commit ded4a75b9c
1 changed files with 3 additions and 3 deletions
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6
src/lib/pio.pl
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@@ -9,9 +9,9 @@
:- use_module(library(lists), [member/2]).
:- use_module(library(format), [format/3]).
:- meta_predicate phrase_from_file(2, ?).
:- meta_predicate phrase_from_file(2, ?, ?).
:- meta_predicate phrase_to_file(2, ?).
:- meta_predicate(phrase_from_file(2, ?)).
:- meta_predicate(phrase_from_file(2, ?, ?)).
:- meta_predicate(phrase_to_file(2, ?)).
phrase_from_file(NT, File) :-
phrase_from_file(NT, File, []).