``` interface optionSelective: Selective<ForOpt...

# arrow-contributors

[pakoito]

interface optionSelective: Selective<ForOption> {
    override fun <A, B> OptionOf<Either<A, B>>.select(f: Kind<F, (A) -> B>): Option<B> =
        fix().map { 
            it.fold(f, ::identity)
        }
}