Mikhail Glukhikh
21 lines
462 B
Kotlin
Vendored
21 lines
462 B
Kotlin
Vendored
// FIR_IDENTICAL
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// !LANGUAGE: +AllowContractsForCustomFunctions +UseReturnsEffect
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// !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts
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// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER
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import kotlin.contracts.InvocationKind
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inline fun foo(block: () -> Unit) {
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kotlin.contracts.contract {
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callsInPlace(block, InvocationKind.EXACTLY_ONCE)
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}
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block()
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}
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fun main() {
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val x: Int
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foo {
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x = 42
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}
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println(x)
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} |