arrow-core / arrow.core.extensions / OptionTraverse
OptionTraverse
interface ~~OptionTraverse~~ : Traverse<ForOption>
Deprecated: Traverse typeclass is deprecated and will be removed in 0.13.0. Use concrete methods on Option
Functions
| exists | open fun <A> OptionOf<A>.exists(p: (A) -> Boolean): Boolean |
| foldLeft | open fun <A, B> OptionOf<A>.foldLeft(b: B, f: (B, A) -> B): B |
| foldRight | open fun <A, B> OptionOf<A>.foldRight(lb: Eval<B>, f: (A, Eval<B>) -> Eval<B>): Eval<B> |
| forAll | open fun <A> OptionOf<A>.forAll(p: (A) -> Boolean): Boolean |
| isEmpty | open fun <A> OptionOf<A>.isEmpty(): Boolean |
| map | open fun <A, B> OptionOf<A>.map(f: (A) -> B): Option<B> |
| nonEmpty | open fun <A> OptionOf<A>.nonEmpty(): Boolean |
| traverse | open fun <G, A, B> OptionOf<A>.traverse(AP: Applicative<G>, f: (A) -> Kind<G, B>): Kind<G, Option<B>> |