// LANGUAGE: +AllowContractsForCustomFunctions +ReadDeserializedContracts
// OPT_IN: kotlin.contracts.ExperimentalContracts
@file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")

package test

import kotlin.contracts.*

fun <X, Y, Z, R> callsEffectWithKind(block: (X, Y, Z) -> R) {
    contract {
        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
    }
}

inline fun callsEffectImplicitUnknown(x: Int, y: Int, block: () -> Unit) {
    contract {
        callsInPlace(block)
    }
}

inline fun callsEffectExplicitUnknown(x: Int, block: () -> Unit) {
    contract {
        callsInPlace(block, InvocationKind.UNKNOWN)
    }
}