arrow-optics / arrow.optics.extensions.nonemptylist.filterIndex / filter

filter

@JvmName("filter") fun <A> ~~filter~~(p: (Int) -> Boolean): PTraversal<NonEmptyList<A>, NonEmptyList<A>, A, A> Deprecated: arrow.optics.extensions package is being deprecated. Use the function from the instance exposed in the typeclass’ companion object instead.