KaContractIsNullPredicateExpression¶

@SubclassOptInRequired(markerClass = [KaImplementationDetail::class])
interface KaContractIsNullPredicateExpression : KaContractBooleanExpression

Properties¶

abstract val argument: KaContractParameterValue

abstract val isNegated: Boolean

abstract val token: KaLifetimeToken

The KaLifetimeToken which determines the lifetime of the lifetime owner.

inline fun KaLifetimeOwner.assertIsValidAndAccessible()

fun KaLifetimeOwner.isValid(): Boolean

Whether the lifetime owner is still valid, i.e. we are still in the scope of the lifetime owner's regular lifetime.

abstract fun negated(): KaContractIsNullPredicateExpression

inline fun <R> KaLifetimeOwner.withValidityAssertion(action: () -> R): R

Executes action only if the KaLifetimeOwner is still valid and accessible. Otherwise, throws a validity exception based on the concrete violation.