fun bar(f: Int.() -> Unit, i: Int) {
    with (i) {
        f<caret>()
    }
}



Resolved call:

Candidate descriptor: operator fun Int.invoke(): Unit defined in kotlin.Function1
Resulting descriptor: operator fun Int.invoke(): Unit defined in kotlin.Function1

Explicit receiver kind = DISPATCH_RECEIVER
Dispatch receiver = f {[@kotlin.ExtensionFunctionType] Function1<Int, Unit>}
Extension receiver = IntExt{fun Int.<anonymous>(): Unit defined in bar}