arrow-optics/arrow.optics.typeclasses/At/Companion

Companion

object Companion(source)

Functions

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fun <S, U, I, A> fromIso(AT: At<U, I, A>, iso: Iso<S, U>): At<S, I, A>

Lift an instance of At using an Iso.

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@JvmStatic
fun <K, V> map(): At<Map<K, V>, K, Option<V>>
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@JvmStatic
fun <A> set(): At<Set<A>, A, Boolean>

At instance definition for Set.