function namespace
06 minutes47 secondsclass namespace
07 minutes22 secondsconstant namespace
02 minutes54 secondsOrdinary variables in namespace
04 minutes08 secondsNamespace layering mechanism
03 minutes17 secondsImport and simplification of namespaces
08 minutes21 secondsglobal [public] namespace
04 minutes15 secondsThree ways to reference namespaces
06 minutes40 seconds