Fixed output of 0-ary predicates.

2016-05-21 02:31:47 +02:00 · 2016-05-21 02:31:47 +02:00 · 57a64f3af9
parent e714060112
commit 57a64f3af9
1 changed files with 3 additions and 0 deletions
--- a/src/plasp/sas/Predicate.cpp
+++ b/src/plasp/sas/Predicate.cpp
@ -15,6 +15,9 @@ namespace sas

 std::ostream &operator <<(std::ostream &ostream, const Predicate &predicate)
 {
+	if (predicate.arguments.empty())
+		return (ostream << predicate.name);
+
 	ostream << predicate.name << "(";

 	for (size_t i = 0; i < predicate.arguments.size(); i++)