| noneOrSingle |
fun <T> Iterable<T>.noneOrSingle(predicate: (T) -> Boolean): T?Returns the single element matching the given predicate, or fun <T> Iterable<T>.noneOrSingle(): T?Returns single element, or |
| sum |
fun Iterable<BigDecimal>.sum(): BigDecimalAllows summing big decimals that are in iterable collections |