devirtualize buffer
devirtualize coroutine
devirtualize enumerator
devirtualize finite_state_machine
add erase_unique
devirtualize flattener
devirtualize generator
devirtualize ptr_observable
devirtualize sending_observable
make tcp_acceptor movable
yield_context.get_one works with non-virtual observables
devirtualize tcp_acceptor
devirtualize socket_observable
devirtualize timer
devirtualize transform
devirtualize transform_if_initialized
devirtualize and_combinator
devirtualize variant_observable
devirtualize while_observable
devirtualize lua_thread