firstOfThatMaybe

inline fun <E, R> KoneIterator<E>.firstOfThatMaybe(transform: (E) -> R, predicate: (R) -> Boolean): Maybe<R>(source)
inline fun <E, R> KoneIterable<E>.firstOfThatMaybe(transform: (E) -> R, predicate: (R) -> Boolean): Maybe<R>(source)
inline fun <E, R> KoneSequence<E>.firstOfThatMaybe(transform: (E) -> R, predicate: (R) -> Boolean): Maybe<R>(source)