Scheduler function ( ) { return null ; }
scheduler to return from rx.schedulers.schedulers #computation or null if default should beused . this instance should be or behave like a stateless singleton ; concode_field_sep RxJavaSchedulersHook DEFAULT_INSTANCE concode_field_sep RxJavaSchedulersHook getDefaultInstance concode_elem_sep Scheduler getIOScheduler concode_elem_sep Action0 onSchedule concode_elem_sep Scheduler getNewThreadScheduler