Inserts all objects of iterable
at position index
in this list.
This increases the length of the list by the length of iterable
and shifts all later objects towards the end of the list.
An error occurs if the index
is less than 0 or greater than length. An UnsupportedError occurs if the list is fixed-length.
void insertAll(int index, 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/insertAll.html