ListExtension<E> extension

Provides convenient List extensions

on

• List<E>

Methods

addAllIfNotNull(List<E>? items) → void

Available on List<E>, provided by the ListExtension extension

Adds all items from items to the list if items is not null or empty.

addIfNotNull(E? item) → void

Available on List<E>, provided by the ListExtension extension

Adds item to the list if item is not null.

all(bool test(E e)) → bool

Available on List<E>, provided by the ListExtension extension

Returns true if all elements in the list satisfy the given test.

any(bool test(E e)) → bool

Available on List<E>, provided by the ListExtension extension

Returns true if any element in the list satisfies the given test.

chunk(int chunkSize) → List<List<E>>

Available on List<E>, provided by the ListExtension extension

Returns a new list containing chunks of the original list with the specified chunkSize.

evenList() → List<E>

Available on List<E>, provided by the ListExtension extension

Returns a new list containing elements at even indices.

oddList() → List<E>

Available on List<E>, provided by the ListExtension extension

Returns a new list containing elements at odd indices.

randomElement() → E?

Available on List<E>, provided by the ListExtension extension

Safely returns a random element from the list. Returns null if the list is empty.

safeGet(int index) → E?

Available on List<E>, provided by the ListExtension extension

Safely returns the element at the given index. Returns null if the index is out of bounds.

skipFrom(int start) → List<E>

Available on List<E>, provided by the ListExtension extension

Returns a new list containing elements from this list starting from start.

swap(int index1, int index2) → void

Available on List<E>, provided by the ListExtension extension

Swaps the elements at index1 and index2. Throws a RangeError if indices are out of bounds.

takeUpTo(int end) → List<E>

Available on List<E>, provided by the ListExtension extension

Returns a new list containing elements from this list up to, but not including, end.

to<T>(T generator(E e)) → List<T>

Available on List<E>, provided by the ListExtension extension

Maps each element of this list to a new value and returns a new list. This is equivalent to map(generator).toList().

whereToList(bool test(E e)) → List<E>

Available on List<E>, provided by the ListExtension extension

Returns a new list containing elements that satisfy the given test.