Appends all objects of iterable
to the end of this list.
Extends the length of the list by the number of objects in iterable
. Throws an UnsupportedError if this list is fixed-length.
void addAll(Iterable<E> iterable);
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-core/List/addAll.html