diff --git a/tl/tl_basic_types.h b/tl/tl_basic_types.h
index 93eceb7..5eadf62 100644
--- a/tl/tl_basic_types.h
+++ b/tl/tl_basic_types.h
@@ -671,6 +671,10 @@ class conditional {
 		return _value ? _value->v : Inner();
 	}
 
+	constexpr bool has_value() const noexcept {
+		return (_value != nullptr);
+	}
+
 private:
 	const T *_value = nullptr;