ListQueue<E>.from constructor
Create a ListQueue containing all elements.
The elements are added to the queue, as by addLast, in the order given by
elements.iterator.
All elements should be assignable to E.
Implementation
factory ListQueue.from(Iterable elements) {
if (elements is List) {
int length = elements.length;
ListQueue<E> queue = new ListQueue<E>(length + 1);
assert(queue._table.length > length);
for (int i = 0; i < length; i++) {
queue._table[i] = elements[i];
}
queue._tail = length;
return queue;
} else {
int capacity = _INITIAL_CAPACITY;
if (elements is EfficientLengthIterable) {
capacity = elements.length;
}
ListQueue<E> result = new ListQueue<E>(capacity);
for (final element in elements) {
result.addLast(element);
}
return result;
}
}