architecture/com.splendo.kaluga.architecture.observable/ObservableOptional/Nothing

Nothing

class Nothing<T> : ObservableOptional<T>

The Observable does not have a result.

Parameters

T

the type of Value that corresponds to this empty result.

Constructors

constructor()

Properties

open override val valueOrNull: T? = null

The value of T or null if this result is Nothing.

Functions

fun <R : T, T> ObservableOptional<T>.asResult(defaultValue: ObservableOptional.Value<R>?): ObservableOptional<R>

Casts an ObservableOptional to an ObservableOptional its subtype R or returns defaultValue if no such casting is possible.

open operator override fun equals(other: Any?): Boolean

open operator override fun getValue(thisRef: Any?, property: KProperty<*>): T?

open override fun hashCode(): Int

resultValueOrDefault

inline fun <R : T, T> ObservableOptional<T>.resultValueOrDefault(defaultValue: R): R

Casts the value of an ObservableOptional to its subtype R or returns defaultValue if no such casting is possible.

toDefaultObservable

fun <R : T, T> ReadOnlyProperty<Any?, T?>.toDefaultObservable(defaultValue: R): ReadOnlyPropertyDefaultObservable<R, T?>

Converts a ReadOnlyProperty into a ReadOnlyPropertyDefaultObservable

toInitializedObservable

fun <T> ReadOnlyProperty<Any?, T>.toInitializedObservable(): ReadOnlyPropertyInitializedObservable<T>

Converts a ReadOnlyProperty into a ReadOnlyPropertyInitializedObservable

open override fun toString(): String