monadListen
trait ToMonadListenOps[[F[_], W] =>> MonadListen[F, W]]
trait ToMonadTellOps[[F[_], W] =>> MonadListen[F, W]]
trait ToMonadTellOps0[[F[_], W] =>> MonadListen[F, W]]
trait ToMonadListenOps0[[F[_], W] =>> MonadListen[F, W]]
class Object
trait Matchable
class Any