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FIXED: instantiation errors for type(Var) in open/4 options

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This addresses #1030.
This commit is contained in:
Markus Triska
2021-11-08 22:10:14 +01:00
parent 0677f51717
commit 2d1f182c49
1 changed files with 4 additions and 1 deletions
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5
src/lib/builtins.pl
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@@ -1429,7 +1429,10 @@ parse_stream_options(Options, OptionValues, Stub) :-
parse_stream_options_(type(Type), type-Type) :- parse_stream_options_(type(Type), type-Type) :-
( nonvar(Type), lists:member(Type, [text, binary]), !, true ( var(Type) ->
throw(error(instantiation_error, open/4)) % 8.1.3 7)
;
lists:member(Type, [text, binary]) -> true
; ;
throw(error(domain_error(stream_option, type(Type)), _)) throw(error(domain_error(stream_option, type(Type)), _))
). ).