com.r3corda.core / kotlin.collections.Iterable / noneOrSingle

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.