Files
2021-09-10 16:29:16 +03:00

24 lines
635 B
Kotlin
Vendored

// !LANGUAGE: +AllowContractsForCustomFunctions +ReadDeserializedContracts +AllowContractsForNonOverridableMembers +AllowReifiedGenericsInContracts
// !OPT_IN: kotlin.contracts.ExperimentalContracts
@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
package test
import kotlin.contracts.*
inline fun <reified T> requireIsInstance(value: Any?) {
contract {
returns() implies (value is T)
}
if (value !is T) {
throw IllegalArgumentException()
}
}
inline fun <reified T, reified U> cast(value: Any?, z: U): T {
contract {
returns() implies (value is T)
}
return value as T
}