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
This commit is contained in:
Ilmir Usmanov
2019-09-25 22:55:48 +03:00
parent c5ba19451f
commit 08794d17a0
15 changed files with 254 additions and 16 deletions
@@ -0,0 +1,30 @@
// !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
}