1 files changed, 9 insertions, 7 deletions
diff --git a/src/serialbus/qmodbuspdu.h b/src/serialbus/qmodbuspdu.h
index 7a2e46c..61ea3a7 100644
--- a/src/serialbus/qmodbuspdu.h
+++ b/src/serialbus/qmodbuspdu.h
@@ -133,19 +133,21 @@ private:
 
     template<typename ... Args> void encode(Args ... newData) {
         m_data.clear();
-        Q_CONSTEXPR quint32 argCount = sizeof...(Args);
-        if (argCount > 0) {
+        constexpr size_t argCount = sizeof...(Args);
+        if constexpr (argCount > 0) {
             QDataStream stream(&m_data, QIODevice::WriteOnly);
             char tmp[argCount] = { (encode(&stream, newData), void(), '0')... };
             Q_UNUSED(tmp);
         }
     }
     template<typename ... Args> void decode(Args ... newData) const {
-        Q_CONSTEXPR quint32 argCount = sizeof...(Args);
-        if (argCount > 0 && !m_data.isEmpty()) {
-            QDataStream stream(m_data);
-            char tmp[argCount] = { (decode(&stream, newData), void(), '0')... };
-            Q_UNUSED(tmp);
+        constexpr size_t argCount = sizeof...(Args);
+        if constexpr (argCount > 0) {
+            if (!m_data.isEmpty()) {
+                QDataStream stream(m_data);
+                char tmp[argCount] = { (decode(&stream, newData), void(), '0')... };
+                Q_UNUSED(tmp);
+            }
         }
     }