DHUCollectionsExtensionsNS<E> extension

Utility extensions for nullable iterables.

on

Properties

isEmptyOrNull → bool: Available on Iterable<E>?, provided by the DHUCollectionsExtensionsNS extension
Returns true if this nullable iterable is either null or empty.
no setter
isNotEmptyOrNull → bool: Available on Iterable<E>?, provided by the DHUCollectionsExtensionsNS extension
Returns false if this nullable iterable is either null or empty.
no setter

firstOrDefault(E defaultValue) → E: Available on Iterable<E>?, provided by the DHUCollectionsExtensionsNS extension
Returns the first element or defaultValue when null or empty.
isEqual(Iterable<E>? other) → bool: Available on Iterable<E>?, provided by the DHUCollectionsExtensionsNS extension
Compares two lists for element-by-element equality.
isPrimitive() → bool: Available on Iterable<E>?, provided by the DHUCollectionsExtensionsNS extension
Returns true when every element is a primitive value.
lastOrDefault(E defaultValue) → E?: Available on Iterable<E>?, provided by the DHUCollectionsExtensionsNS extension
Returns the last element or defaultValue when null or empty.
of(int index) → E?: Available on Iterable<E>?, provided by the DHUCollectionsExtensionsNS extension
Returns the element at index or null if out of bounds or null.
totalBy(num? valueSelector(E)) → num: Available on Iterable<E>?, provided by the DHUCollectionsExtensionsNS extension
Returns the sum of values calculated by valueSelector for each element.
tryGetRandom([int? seed]) → E?: Available on Iterable<E>?, provided by the DHUCollectionsExtensionsNS extension
Retrieves a random element or null if the iterable is null.