Recording how I _want_ it to work.

It looks like the move operation on allocators is actually a copy!

Memory/ThreadSlab.test/0.cc

@@ -0,0 +1,32 @@
+static_assert( __cplusplus > 2020'99 );
+
+#include "../ThreadSlab.h"
+
+#include <Alepha/Testing/test.h>
+
+#include <Alepha/Utility/evaluation_helpers.h>
+
+static auto init= Alepha::Utility::enroll <=[]
+{
+	using namespace Alepha::Testing::literals;
+
+	using namespace Alepha::Memory::exports::ThreadSlab_m;
+	using String= ThreadSlabString;
+
+	"Can we work with simple `ThreadSlabStrings` without errors?"_test <=[]
+	{
+		String s;
+		std::cerr << "s is empty" << std::endl;
+
+		String s2= "Hello World";
+		std::cerr << "small hello world string." << std::endl;
+
+		String s3= s2 + ": and bob";
+		std::cerr << "appended..." << std::endl;
+		s3= s3 + s3 + s2;
+
+		s2= std::move( s3 );
+
+		std::cout << s3 << std::endl;
+	};
+};

Memory/ThreadSlab.test/CMakeLists.txt

@@ -0,0 +1 @@
+unit_test( 0 )