iox-eclipse-iceoryx#1104 Update readme and release document

Signed-off-by: Christian Eltzschig <[email protected]>
ApexAI · Sep 22, 2022 · 2058ec6 · 2058ec6
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diff --git a/doc/website/release-notes/iceoryx-unreleased.md b/doc/website/release-notes/iceoryx-unreleased.md
@@ -484,4 +484,4 @@
 
     Compilers like ``gcc-12>`` and `clang>14` as well as static code analysis tools like `clang-tidy`
     will warn the user with a used after move warning when one accesses a moved object. Accessing
-    a moved `unique_ptr` is well defined and behaves like dereferencing a `nullptr`.
+    a moved `function` is well defined and behaves like dereferencing a `nullptr`.
diff --git a/iceoryx_examples/icediscovery/README.md b/iceoryx_examples/icediscovery/README.md
@@ -385,7 +385,7 @@ To register the callback we call
 <!--[geoffrey][iceoryx_examples/icediscovery/include/discovery_monitor.hpp][registerCallback]-->
 ```cpp
 template <typename Callback>
-bool Discovery::registerCallback(const Callback& callback)
+void Discovery::registerCallback(const Callback& callback)
 ```
 
 which attaches the callback to the listener.
@@ -408,7 +408,7 @@ Since the listener can only call static or free functions, we use an additional
 void Discovery::invokeCallback(ServiceDiscovery*, Discovery* self)
 {
     // discarded discovery argument is required by the listener
-    self->m_callback(*self);
+    (*self->m_callback)(*self);
 }
 ```
 
@@ -430,7 +430,7 @@ void Discovery::deregisterCallback()
     {
         m_listener.detachEvent(*m_discovery, iox::runtime::ServiceDiscoveryEvent::SERVICE_REGISTRY_CHANGED);
     }
-    m_callback = nullptr;
+    m_callback.reset();
 }
 ```