Force negation expressions to be of type Int.

daveilers · Sep 2, 2016 · af4351a · af4351a
1 parent 233de46
commit af4351a
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/vm/checker.go b/vm/checker.go
@@ -141,6 +141,12 @@ func (c *checker) VisitAfter(node node) {
 		n.typ = rType
 
 	case *unaryExprNode:
-		n.typ = n.expr.Type()
+		switch n.op {
+		case NOT:
+			n.typ = Int
+		default:
+			n.typ = n.expr.Type()
+		}
+
 	}
 }