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Merge pull request #2308 from triska/small_format_improvements

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Small format improvements
This commit is contained in:
Mark Thom
2024-01-25 14:17:18 -07:00
committed by GitHub
parent bc616ca7d8 3505cc3ba0
commit 43041971b7
1 changed files with 8 additions and 8 deletions
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src/lib/format.pl
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@@ -1,5 +1,5 @@
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Written 2020-2023 by Markus Triska (triska@metalevel.at)
Written 2020-2024 by Markus Triska (triska@metalevel.at)
Part of Scryer Prolog.
I place this code in the public domain. Use it in any way you want.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
@@ -302,14 +302,14 @@ format_number_chars(N0, Chars) :-
N is N0, % evaluate compound expression
number_chars(N, Chars).
n_newlines(0) --> !.
n_newlines(N0) --> { N0 > 0, N is N0 - 1 }, [newline], n_newlines(N).
n_newlines(0) --> [].
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
?- phrase(upto_what(Cs, ~), "abc~test", Rest).
Cs = [a,b,c], Rest = [~,t,e,s,t].
?- phrase(upto_what(Cs, ~), "abc", Rest).
Cs = [a,b,c], Rest = [].
?- phrase(format:upto_what(Cs, ~), "abc~test", Rest).
Cs = "abc", Rest = "~test".
?- phrase(format:upto_what(Cs, ~), "abc", Rest).
Cs = "abc", Rest = [].
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
separate_digits_fractional(Arg, Sep, Num, Cs) :-
@@ -444,9 +444,9 @@ format(Stream, Fs, Args) :-
?- phrase(format:cells("~`at~50|", [], 0, [], []), Cs),
phrase(format:format_cells(Cs), Ls).
?- phrase(format:cells("~ta~t~tb~tc~21|", [], 0, [], []), Cs).
Cs = [cell(0,21,[glue(' ',_A),chars("a"),glue(' ',_B),glue(' ',_C),chars("b"),glue(' ',_D),chars("c ...")])]
Cs = [cell(0,21,[glue(' ',_A),chars("a"),glue(' ',_B),glue(' ',_C),chars("b"),glue(' ',_D),chars("c")])].
?- phrase(format:cells("~ta~t~4|", [], 0, [], []), Cs).
Cs = [cell(0,4,[glue(' ',_A),chars("a"),glue(' ',_B)])]
Cs = [cell(0,4,[glue(' ',_A),chars("a"),glue(' ',_B)])].
?- phrase(format:format_cell(cell(0,1,[glue(a,_94)])), Ls).