NullableIterableExtensions<T> extension

Provides an extension method for Iterable that is nullable.

NullableなIterable用の拡張メソッドを提供します。

on

Properties

firstOrNull → T?: Returns the first element.
no setter
isEmpty → bool: Whether this collection has no elements.
no setter
isNotEmpty → bool: Whether this collection has at least one element.
no setter
lastOrNull → T?: Returns the last element.
no setter
length → int: Returns the number of elements in Iterable.
no setter

contains(Object? element) → bool: Whether the collection contains an element equal to element.
containsAll(Iterable<Object?> elements) → bool: Returns true if Iterable contains all elements.
containsAny(Iterable<Object?> elements) → bool: Returns true if Iterable contains any of elements.
equalsTo(Iterable<T>? others) → bool: Returns true if the internals of Iterable and others are compared and match.
fill(int length, T generator(int index)) → Iterable<T>: If length is greater than the current number, returns Iterable filled with elements generated by generator.
firstWhereOrNull(bool test(T item)) → T?: Returns the first element for which the return value of test is true.