TermZero for error handling

2016-05-12 11:50:53 +01:00
parent 033d77b47a
commit b28deedffe
1 changed files with 6 additions and 0 deletions
--- a/include/YapDefs.h
+++ b/include/YapDefs.h
@@ -27,6 +27,12 @@
 /* The YAP main types */
 #include "YapTerm.h"

+/**
+  This term can never be constructed as a valid term, so it is
+  used as a "BAD" term
+*/
+#define TermZERO ((Term)0)
+
 #else

 #include "YapConfig.h"