Companion

Functions

fun <S> id(): PIso<S, S, S, S>

operator fun <S, T, A, B> invoke(getOrModify: (S) -> Either<T, A>, reverseGet: (B) -> T): PPrism<S, T, A, B>

Invoke operator overload to create a PPrism of type S with focus A. Can also be used to construct Prism

fun <A> none(): Prism<Option<A>, Unit>

Prism to focus into an arrow.core.None

fun <A> only(a: A, eq: (A, A) -> Boolean = { aa, b -> aa == b }): Prism<A, Unit>

A PPrism that checks for equality with a given value a

fun <A, B> pSome(): PPrism<Option<A>, Option<B>, A, B>

PPrism to focus into an arrow.core.Some

fun <A> some(): Prism<Option<A>, A>

Prism to focus into an arrow.core.Some