atrium-core/ch.tutteli.atrium.core/None

None

object None : Option<Nothing> (source)

Represents an absent value in terms of Option.

Functions

inline fun filter(predicate: (Nothing) -> Boolean): Option<Nothing>

inline fun <R> flatMap(f: (Nothing) -> Option<R>): Option<R>

inline fun <R> fold(default: () -> R, f: (Nothing) -> R): R

inline fun <T> Option<T>.getOrElse(default: () -> T): T

fun isDefined(): Boolean

inline fun <R> map(f: (Nothing) -> R): Option<R>