rishi/scryer-prolog
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better domain error in format_//2

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Example:

    ?- format("", [hello]).
    caught: error(domain_error(empty_list,[hello]),format_//2)
This commit is contained in:
Markus Triska
2020-06-07 23:04:42 +02:00
parent 3b5730be54
commit c8a9f8dcf5
1 changed files with 1 additions and 1 deletions
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2
src/prolog/lib/format.pl
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@@ -158,7 +158,7 @@ element_gluevar(glue(_,V), N, N) --> [V].
cells([], Args, Tab, Es) --> cells([], Args, Tab, Es) -->
( { Args == [] } -> cell(Tab, Tab, Es) ( { Args == [] } -> cell(Tab, Tab, Es)
; { domain_error(no_remaining_arguments, Args, format_//2) } ; { domain_error(empty_list, Args, format_//2) }
). ).
cells([~,~|Fs], Args, Tab, Es) --> !, cells([~,~|Fs], Args, Tab, Es) --> !,
cells(Fs, Args, Tab, [chars("~")|Es]). cells(Fs, Args, Tab, [chars("~")|Es]).