NullableIterableExtensions<T> extension
Properties
-
firstOrNull
→ T?
-
Returns the first element.
no setter
-
isEmpty
→ bool
-
Returns true if there are no elements in this collection.
no setter
-
isNotEmpty
→ bool
-
Returns true if there is at least one element in this collection.
no setter
-
lastOrNull
→ T?
-
Returns the last element.
no setter
-
length
→ int
-
Returns the number of elements in this.
no setter
Methods
-
contains(Object? element)
→ bool
-
Whether the collection contains an element equal to
element.
-
containsAll(Iterable<Object?> elements)
→ bool
-
Returns
true if all of the given elements is in the list.
-
containsAny(Iterable<Object?> elements)
→ bool
-
Returns
true if any of the given elements is in the list.
-
firstWhereOrNull(bool test(T item))
→ T?
-
Returns the first value found by searching based on the condition specified in
test.
-
setWhere<K extends Object>(Iterable<T> others, {required bool test(T original, T other), required K? apply(T original, T other), K? orElse(T original)?})
→ Iterable<K>
-
The data in the list of
others is conditionally given to the current list.
