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 +1,54 @@
// !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect +ReadDeserializedContracts
// !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts
// IGNORE_BACKEND: JVM_IR, NATIVE
// IGNORE_BACKEND_MULTI_MODULE: JVM_IR
// NO_CHECK_LAMBDA_INLINING
// FILE: 1.kt
package test
import kotlin.contracts.*
interface SomeOutputScreenCallbacks {
fun ontest()
}
@ExperimentalContracts
class OutputWorkScreenView(callbacks: SomeOutputScreenCallbacks) {
val root = vBox {
button(callbacks::ontest)
}
}
@ExperimentalContracts
inline fun vBox(
crossinline action: () -> Unit
) {
contract {
callsInPlace(action, InvocationKind.EXACTLY_ONCE)
}
return { action() }()
}
@ExperimentalContracts
inline fun button(
onAction: () -> Unit
) {
onAction()
}
// FILE: 2.kt
import test.*
import kotlin.contracts.*
@ExperimentalContracts
fun box(): String {
var res = "FAIL"
OutputWorkScreenView(object : SomeOutputScreenCallbacks {
override fun ontest() {
res = "OK"
}
})
return res
}