Add support for desctructuring of lambda parameters in JVM backend
#KT-5828 In Progress
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+21
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class A<T>(val x: String, val y: String, val z: T)
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fun <T> foo(a: A<T>, block: (A<T>) -> String): String = block(a)
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operator fun A<*>.component1() = x
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object B {
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operator fun A<*>.component2() = y
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}
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fun B.bar(): String {
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operator fun <R> A<R>.component3() = z
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val x = foo(A("O", "K", 123)) { (x, y, z) -> x + y + z.toString() }
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if (x != "OK123") return "fail 1: $x"
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return "OK"
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}
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fun box() = B.bar()
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@@ -0,0 +1,11 @@
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data class A<T, F>(val x: T, val y: F)
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fun <X, Y> foo(a: A<X, Y>, block: (A<X, Y>) -> String) = block(a)
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fun box(): String {
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val x = foo(A("OK", 1)) { (x, y) -> x + (y.toString()) }
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if (x != "OK1") return "fail1: $x"
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return "OK"
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}
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@@ -0,0 +1,5 @@
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data class A(val x: String, val y: String)
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inline fun foo(a: A, block: (A) -> String): String = block(a)
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fun box() = foo(A("O", "K")) { (x, y) -> x + y }
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+11
@@ -0,0 +1,11 @@
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data class A(val x: String, val y: String)
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fun foo(a: A, block: (Int, A, String) -> String): String = block(1, a, "#")
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fun box(): String {
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val x = foo(A("O", "K")) { i, (x, y), v -> i.toString() + x + y + v }
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if (x != "1OK#") return "fail 1: $x"
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return "OK"
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}
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@@ -0,0 +1,5 @@
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data class A(val x: String, val y: String)
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fun foo(a: A, block: (A) -> String): String = block(a)
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fun box() = foo(A("O", "K")) { (x, y) -> x + y }
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@@ -0,0 +1,16 @@
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// WITH_RUNTIME
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fun box(): String {
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val r1 = listOf("O", "K", "fail").let {
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(x, y) -> x + y
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}
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if (r1 != "OK") return "fail 1: $r1"
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val r2 = listOf(Pair("O", "K")).map { (x, y) -> x + y }[0]
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if (r2 != "OK") return "fail 2: $r2"
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return "OK"
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}
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