result = if Bool.sample!(): do 0 do 1 print! result if True, () -> log "hello" if! False, () => print! "hello" if! True: () => print! "hello" () => print! "world" print! if False: () -> "a" () -> "b" print!(if(True, () -> "a", () -> "b")) if! True: do! print! "hello" do! print! "world" if! False: do!: print! "a" do!: print! "b"