package Ġcom . bad oo . reak t ive . single Ċ Ċ import Ġcom . bad oo . reak t ive . base . Observer Ċ import Ġcom . bad oo . reak t ive . maybe . Maybe Ċ import Ġcom . bad oo . reak t ive . maybe . maybe Ċ Ċ fun Ġ< T > ĠSingle < T >. as Maybe (): ĠMaybe < T > Ġ= ĊĠĠĠ Ġmaybe Ġ{ Ġobserver Ġ-> ĊĠĠĠĠĠĠĠ Ġsubscribe Safe ( ĊĠĠĠĠĠĠĠĠĠĠĠ Ġobject Ġ: ĠSingle Observer < T >, ĠObserver Ġby Ġobserver , ĠSingle Callbacks < T > Ġby Ġobserver Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠ Ġ} ĊĠĠĠĠĠĠĠ Ġ) ĊĠĠĠ Ġ}