package test interface A { fun run() } class B(val o: String, val k: String) { inline fun testNested(crossinline f: (String) -> Unit, crossinline f2: (String) -> Unit) { object : A { override fun run() { f(o) f2(k) } }.run() } inline fun test(crossinline f: (String) -> Unit) { call { f("start"); { testNested ({ it -> { f(it + o) }() }) { it -> { f(it + k) }() } }() } } inline fun call(f: () -> Unit) { f() } }