var log = "" fun foo() { for ( ( q, w ) in listOf(P("1", "2")) ) { log += q log += w } bar { ( q, w ) -> log += q log += w } } fun bar(f: (P) -> Unit) { f(P("w", "e")) } class P(val a: String, val b: String) inline operator fun P.component1() = a inline operator fun P.component2() = b // LINES(ClassicFrontend JS_IR): 1 1 1 1 1 1 1 1 * 3 3 9 9 4 9 * 6 31 9 * 7 33 9 11 11 12 12 15 15 25 25 26 26 29 29 29 29 29 29 29 29 29 29 29 29 31 31 31 31 33 33 33 33 15 16 15 * 17 31 16 * 18 33 16 20 20 21 21 22 22 * 1 // LINES(FIR JS_IR): 1 1 1 1 1 1 1 1 * 3 3 9 9 4 5 9 * 6 31 6 * 7 33 7 11 11 12 12 15 15 25 25 26 26 29 29 29 29 29 29 29 29 29 29 29 29 31 31 31 31 33 33 33 33 15 16 15 * 17 31 17 * 18 33 18 20 20 21 21 22 22 * 1