arrow-optics / arrow.optics.extensions / SequenceKIndex

SequenceKIndex

interface ~~SequenceKIndex~~<A> : Index<SequenceK<A>, Int, A> Deprecated: Typeclass interface implementation will not be exposed directly anymore.

Index instance definition for SequenceK.

Functions

index Get Optional focus A for a structure S at index i.open fun index(i: Int): Optional<SequenceK<A>, A>