com.r3corda.core / kotlin.collections.Iterable

### Extensions for kotlin.collections.Iterable

isOrderedAndUnique | `fun <T, I : Comparable<I>> Iterable<T>.isOrderedAndUnique(extractId: T.() -> I): Boolean` Determine if an iterable data types contents are ordered and unique, based on their Comparable.compareTo function.
noneOrSingle | `fun <T> Iterable<T>.noneOrSingle(predicate: (T) -> Boolean): T?` Returns the single element matching the given predicate, or `null` if element was not found, or throws if more than one element was found. `fun <T> Iterable<T>.noneOrSingle(): T?` Returns single element, or `null` if element was not found, or throws if more than one element was found.