Mikhail Glukhikh
22 lines
440 B
Kotlin
Vendored
22 lines
440 B
Kotlin
Vendored
// FIR_IDE_IGNORE
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// !LANGUAGE: +AllowContractsForCustomFunctions +UseReturnsEffect
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// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER
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// !OPT_IN: kotlin.contracts.ExperimentalContracts
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import kotlin.contracts.*
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fun test(x: Any?) {
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if (isString(x)) {
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<!DEBUG_INFO_SMARTCAST!>x<!>.length
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}
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}
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fun isString(x: Any?): Boolean {
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contract {
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returns(true) implies (x is String)
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}
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return x is String
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}
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