diff --git a/src/lib/result.hpp b/src/lib/result.hpp
index 7787d5160..36c0f6636 100644
--- a/src/lib/result.hpp
+++ b/src/lib/result.hpp
@@ -196,7 +196,7 @@ namespace lib {
           return *value_;
         }
       
-      template<typename TY>
+      template<typename TY =RES>
       TY
       get()  const
         {
diff --git a/src/lib/thread.hpp b/src/lib/thread.hpp
index 9c7ef8f9c..e4a8cf436 100644
--- a/src/lib/thread.hpp
+++ b/src/lib/thread.hpp
@@ -160,7 +160,7 @@ namespace lib {
           , threadImpl_{forward<ARGS> (args)... }
           { }
         
-        /** determine if the currently executing code runs within this thread */
+        /** detect if the currently executing code runs within this thread */
         bool invokedWithinThread()  const;
         
         void markThreadStart();
@@ -294,6 +294,9 @@ namespace lib {
             return Policy::isLive();
           }
         
+        /** @return does this call happen from within this thread? */
+        using Policy::invokedWithinThread;
+        
         
         /** Create a new thread to execute the given operation.
          *  The new thread starts up synchronously, can't be cancelled and it can't be joined.
diff --git a/tests/library/thread-wrapper-self-recognition-test.cpp b/tests/library/thread-wrapper-self-recognition-test.cpp
index e8c578b49..a24f51c54 100644
--- a/tests/library/thread-wrapper-self-recognition-test.cpp
+++ b/tests/library/thread-wrapper-self-recognition-test.cpp
@@ -26,10 +26,7 @@
 
 
 #include "lib/test/run.hpp"
-#include "lib/test/test-helper.hpp"
-
 #include "lib/thread.hpp"
-#include "lib/error.hpp"
 
 using test::Test;
 
@@ -38,35 +35,12 @@ using test::Test;
 namespace lib {
 namespace test {
   
-  namespace {
-    
-    class TestThread
-      : Thread
-      {
-        public:
-          TestThread()
-            : Thread{"test Thread self recognition"
-                    ,[&]()
-                        {
-                          CHECK (invocation_happens_within_this_thread());
-                        }}
-            { }
-          
-          bool
-          invocation_happens_within_this_thread()
-            {
-              return invokedWithinThread();
-            }
-      };
-    
-  }
-  
   
   /******************************************************//**
    * @test verify the ability of a thread to detect code
    *       executing within the thread itself.
-   * 
    * @see Thread::invokedWithinThread()
+   * @see thread::ThreadWrapper::invokedWithinThread()
    * @see steam::control::DispatcherLoop::stateIsSynched()
    */
   class ThreadWrapperSelfRecognitionTest_test : public Test
@@ -75,11 +49,13 @@ namespace test {
       virtual void
       run (Arg)
         {
-          TestThread testThread;
+          ThreadJoinable<bool> testThread{"Thread self detection"
+                                         ,[&]{
+                                               return testThread.invokedWithinThread();
+                                             }};
           
-          CHECK (not testThread.invocation_happens_within_this_thread());
-          
-          usleep(10); // give the thread a chance to run before shutdown
+          CHECK (not testThread.invokedWithinThread());
+          CHECK (testThread.join().get<bool>());
         }
     };
   
diff --git a/wiki/thinkPad.ichthyo.mm b/wiki/thinkPad.ichthyo.mm
index 5538263d1..57cb5956e 100644
--- a/wiki/thinkPad.ichthyo.mm
+++ b/wiki/thinkPad.ichthyo.mm
@@ -79016,7 +79016,7 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 </node>
 <node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1695313755664" HGAP="-12" ID="ID_1075854169" MODIFIED="1695313767920" TEXT="Umstellung der Codebasis" VSHIFT="21">
 <icon BUILTIN="flag-yellow"/>
-<node BACKGROUND_COLOR="#f0d5c5" COLOR="#990033" CREATED="1695313774171" ID="ID_1529952681" MODIFIED="1695340435812" TEXT="spezielle Abh&#xe4;ngigkeiten">
+<node COLOR="#338800" CREATED="1695313774171" FOLDED="true" ID="ID_1529952681" MODIFIED="1696025089421" TEXT="spezielle Abh&#xe4;ngigkeiten">
 <icon BUILTIN="help"/>
 <node CREATED="1695313807671" ID="ID_1031643072" MODIFIED="1695313818061" TEXT="vault::Thread vs vault::ThreadJoinable">
 <node CREATED="1695335467170" ID="ID_920953501" MODIFIED="1695335514560" TEXT="das erweist sich als praktische Abk&#xfc;rzung"/>
@@ -79268,7 +79268,7 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 </node>
 <node BACKGROUND_COLOR="#eef0c5" COLOR="#990000" CREATED="1695394188133" ID="ID_1229328590" MODIFIED="1696015383325" TEXT="Umbau">
 <icon BUILTIN="pencil"/>
-<node COLOR="#338800" CREATED="1695597011139" ID="ID_125138411" MODIFIED="1695859127749" TEXT="Kopie des bestehenden Thread-Wrappers umschreiben">
+<node COLOR="#338800" CREATED="1695597011139" FOLDED="true" ID="ID_125138411" MODIFIED="1695859127749" TEXT="Kopie des bestehenden Thread-Wrappers umschreiben">
 <linktarget COLOR="#6ebe5a" DESTINATION="ID_125138411" ENDARROW="Default" ENDINCLINATION="43;-18;" ID="Arrow_ID_195305087" SOURCE="ID_215388471" STARTARROW="None" STARTINCLINATION="-113;6;"/>
 <icon BUILTIN="button_ok"/>
 <node COLOR="#435e98" CREATED="1695597146529" ID="ID_938038908" MODIFIED="1695948178166" TEXT="std::thread liefert fast alle Funktionalit&#xe4;t">
@@ -79954,7 +79954,7 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 </node>
 <node BACKGROUND_COLOR="#eef0c5" COLOR="#990000" CREATED="1695394205547" ID="ID_1719816317" MODIFIED="1696015377362" TEXT="Tests umstellen und modernisieren">
 <icon BUILTIN="pencil"/>
-<node COLOR="#338800" CREATED="1695394270093" ID="ID_585437655" MODIFIED="1696007768225" TEXT="ThreadWrapper_test">
+<node COLOR="#338800" CREATED="1695394270093" FOLDED="true" ID="ID_585437655" MODIFIED="1696007768225" TEXT="ThreadWrapper_test">
 <icon BUILTIN="button_ok"/>
 <node COLOR="#338800" CREATED="1695911786871" ID="ID_1371513124" MODIFIED="1695911794232" TEXT="l&#xe4;uft nach Umstellung">
 <icon BUILTIN="button_ok"/>
@@ -80020,7 +80020,7 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 <icon BUILTIN="button_ok"/>
 </node>
 </node>
-<node COLOR="#338800" CREATED="1695394665822" ID="ID_881973960" MODIFIED="1696015353416" TEXT="ThreadWrapperJoin_test">
+<node COLOR="#338800" CREATED="1695394665822" FOLDED="true" ID="ID_881973960" MODIFIED="1696015353416" TEXT="ThreadWrapperJoin_test">
 <icon BUILTIN="button_ok"/>
 <node COLOR="#338800" CREATED="1695911786871" ID="ID_1004221223" MODIFIED="1695911801372" TEXT="l&#xe4;uft nach Umstellung">
 <icon BUILTIN="button_ok"/>
@@ -80040,8 +80040,8 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 <node COLOR="#435e98" CREATED="1696010036948" ID="ID_440877573" MODIFIED="1696015360375" TEXT="Fehlerbehandlung"/>
 </node>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1695394744028" ID="ID_1755648327" MODIFIED="1695394746744" TEXT="ThreadWrapperSelfRecognitionTest_test">
-<icon BUILTIN="flag-yellow"/>
+<node COLOR="#338800" CREATED="1695394744028" FOLDED="true" ID="ID_1755648327" MODIFIED="1696025182064" TEXT="ThreadWrapperSelfRecognition_test">
+<icon BUILTIN="button_ok"/>
 <node BACKGROUND_COLOR="#e0ceaa" COLOR="#690f14" CREATED="1695911804614" ID="ID_174546781" MODIFIED="1695911929623" TEXT="Scheitert mit Fehler">
 <richcontent TYPE="NOTE"><html>
   <head>
@@ -80060,6 +80060,34 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
   </body>
 </html></richcontent>
 <icon BUILTIN="broken-line"/>
+<icon BUILTIN="button_cancel"/>
+<node CREATED="1696023930450" ID="ID_1910034301" MODIFIED="1696023935701" TEXT="nicht mehr reproduzierbar"/>
+<node CREATED="1696023936220" ID="ID_1057418547" MODIFIED="1696023963855" TEXT="(inzwischen diverse Fixes zum Binding)"/>
+</node>
+<node COLOR="#77b3ba" CREATED="1696025158721" ID="ID_299445816" MODIFIED="1696025179668" TEXT="auch diesen Test kann man jetzt viel knapper schreiben">
+<icon BUILTIN="smiley-oh"/>
+</node>
+<node COLOR="#435e98" CREATED="1696023965128" ID="ID_300657180" MODIFIED="1696025025547" TEXT="besser explizit den bool-Wert in den Main-Thread bringen">
+<icon BUILTIN="idea"/>
+<node CREATED="1696023991959" ID="ID_1226872902" MODIFIED="1696024013956" TEXT="jetzt wo wir das so ganz locker k&#xf6;nnen">
+<icon BUILTIN="ksmiletris"/>
+</node>
+<node CREATED="1696024808008" ID="ID_609747317" MODIFIED="1696025021431" TEXT="zirkul&#xe4;rer Bezug &#x27f9; template parameter deduction unm&#xf6;glich">
+<richcontent TYPE="NOTE"><html>
+  <head>
+    
+  </head>
+  <body>
+    <p>
+      ...das ist <i>interessant,</i>&#160;aber nicht kritisch; und zwar weil ich den Test jetzt umgeschrieben habe auf ein Lambda, und gar keine eigenst&#228;ndige Klasse mehr verwende &#8212; viel spannender ist, da&#223; der C++ - Compiler &#252;berhaupt schafft, solchen Code zu &#8222;knacken&#8220;
+    </p>
+  </body>
+</html>
+</richcontent>
+</node>
+<node COLOR="#338800" CREATED="1696025030399" ID="ID_838223706" MODIFIED="1696025042055" TEXT="auch gepr&#xfc;ft da&#xdf; es funktioniert (mal die Logik umgedreht)">
+<icon BUILTIN="button_ok"/>
+</node>
 </node>
 </node>
 <node COLOR="#338800" CREATED="1695394753483" FOLDED="true" ID="ID_1338410455" MODIFIED="1695584550744" TEXT="SyncBarrier_test">