1 files changed, 2 insertions, 0 deletions
diff --git a/GateAnd.h b/GateAnd.h
index 12dad53..142c628 100644
--- a/GateAnd.h
+++ b/GateAnd.h
@@ -11,6 +11,8 @@ public:
 	virtual GateAnd * clone() const;
 
 private:
+	SignalLevel level();
+
 	GateAnd(const char * type);
 	constexpr static const char * type = "and";
 	static GateAnd instance;