val a = fun () {}
val b = fun test() {}

val c=fun  (){}
val c=fun  ()=4

val c=fun  ()=
        4

val c   =   fun()   {}
val c   =    fun   ()    =  4

fun test() = fun test() = 4

fun test() {
    test(fun
                 () {
    })
    test(fun test() {})
    test(fun test() = 5)

    test(fun test() = fun test(a: Int) = 2)

    2.(fun test() {})()

    (fun()=4)
    (fun(){})

    test(    fun     test     (    ) = 4   )
}