Alex Tkachman
41 lines
1.0 KiB
Plaintext
41 lines
1.0 KiB
Plaintext
fun main(args: Array<String>?) {
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val y: Unit = () //do not compile
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A<Unit>() //do not compile
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C<Unit>(()) //do not compile
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//do not compile
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System.out?.println(fff<Unit>(())) //do not compile
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System.out?.println(id<Unit>(y)) //do not compile
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System.out?.println(fff<Unit>(id<Unit>(y)) == id<Unit>(foreach(Array<Int>(0,{0}),{(e : Int) : Unit => }))) //do not compile
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}
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class A<T>()
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class C<T>(val value: T) {
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fun foo(): T = value
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}
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fun <T> fff(x: T) : T { return x }
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fun <T> id(value: T): T = value
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fun foreach(array: Array<Int>?, action: fun(Int): Unit) {
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for (el in array) {
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action(el) //exception through compilation (see below)
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}
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}
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fun almostFilter(array: Array<Int>, action: fun(Int): Int) {
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for (el in array) {
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action(el)
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}
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}
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fun box() : String {
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val a = Array<Int> (3,{-1})
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a[0] = 0
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a[1] = 1
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a[2] = 2
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foreach(a, { (el : Int) : Unit => System.out?.println(el) })
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almostFilter(a, { (el : Int) : Int => el })
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main(null)
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return "OK"
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} |