Files
kotlin-fork/compiler/testData/codegen/box/contracts/constructorArgument.kt
T
Ilmir Usmanov 08794d17a0 Do not box function argument if it is used in EXACTLY_ONCE lambda
Since we cannot change type of parameter, we cannot replace it with
box type.
 #KT-29510 Fixed
 #KT-29614 Fixed
 #KT-29385 Fixed
2019-09-30 17:42:17 +03:00

30 lines
609 B
Kotlin
Vendored

// !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect +ReadDeserializedContracts
// !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts
// IGNORE_BACKEND: NATIVE
import kotlin.contracts.*
@ExperimentalContracts
fun runOnce(action: () -> Unit) {
contract {
callsInPlace(action, InvocationKind.EXACTLY_ONCE)
}
action()
}
@ExperimentalContracts
class Foo(foo: Boolean) {
var res = "FAIL"
init {
runOnce {
foo
res = "OK"
}
}
}
@ExperimentalContracts
fun box(): String {
val foo = Foo(true)
return foo.res
}