2 files changed, 6 insertions, 6 deletions
diff --git a/examples/widgets/browser/browsermainwindow.cpp b/examples/widgets/browser/browsermainwindow.cpp
index 26b38c921..319e2d4c2 100644
--- a/examples/widgets/browser/browsermainwindow.cpp
+++ b/examples/widgets/browser/browsermainwindow.cpp
@@ -74,14 +74,14 @@
 template<typename Arg, typename R, typename C>
 struct InvokeWrapper {
     R *receiver;
-    void (C::*memberFun)(const Arg&);
-    void operator()(const Arg &result) {
+    void (C::*memberFun)(Arg);
+    void operator()(Arg result) {
         (receiver->*memberFun)(result);
     }
 };
 
 template<typename Arg, typename R, typename C>
-InvokeWrapper<Arg, R, C> invoke(R *receiver, void (C::*memberFun)(const Arg&))
+InvokeWrapper<Arg, R, C> invoke(R *receiver, void (C::*memberFun)(Arg))
 {
     InvokeWrapper<Arg, R, C> wrapper = {receiver, memberFun};
     return wrapper;
diff --git a/examples/widgets/fancybrowser/mainwindow.cpp b/examples/widgets/fancybrowser/mainwindow.cpp
index 9462539e5..3366d2006 100644
--- a/examples/widgets/fancybrowser/mainwindow.cpp
+++ b/examples/widgets/fancybrowser/mainwindow.cpp
@@ -45,14 +45,14 @@
 template<typename Arg, typename R, typename C>
 struct InvokeWrapper {
     R *receiver;
-    void (C::*memberFun)(const Arg&);
-    void operator()(const Arg &result) {
+    void (C::*memberFun)(Arg);
+    void operator()(Arg result) {
         (receiver->*memberFun)(result);
     }
 };
 
 template<typename Arg, typename R, typename C>
-InvokeWrapper<Arg, R, C> invoke(R *receiver, void (C::*memberFun)(const Arg&))
+InvokeWrapper<Arg, R, C> invoke(R *receiver, void (C::*memberFun)(Arg))
 {
     InvokeWrapper<Arg, R, C> wrapper = {receiver, memberFun};
     return wrapper;