-add_subdirectory(${CMAKE_HOME_DIRECTORY}/examples/s4u/dumb)
-
-add_subdirectory(${CMAKE_HOME_DIRECTORY}/examples/scala)
-add_subdirectory(${CMAKE_HOME_DIRECTORY}/examples/scala/master_slave_bypass)
-add_subdirectory(${CMAKE_HOME_DIRECTORY}/examples/scala/master_slave_kill)
-add_subdirectory(${CMAKE_HOME_DIRECTORY}/examples/scala/masterslave)
+add_subdirectory(${CMAKE_HOME_DIRECTORY}/examples/s4u/basic)
+add_subdirectory(${CMAKE_HOME_DIRECTORY}/examples/s4u/io)