arrow-core-data / arrow.core / redeemWith
redeemWith
inline fun <A, B, C, D> Either<A, B>.redeemWith(fa: (A) -> Either<C, D>, fb: (B) -> Either<C, D>): Either<C, D>
inline fun <A, B> Option<A>.redeemWith(fe: (Unit) -> Option<B>, fb: (A) -> Option<B>): Option<B>