first property

E first

Returns the first element.

Throws a StateError if this is empty. Otherwise returns the first element in the iteration order, equivalent to this.elementAt(0).


E get first {
  Iterator<E> it = iterator;
  if (!it.moveNext()) {
    throw IterableElementError.noElement();
  return it.current;
void first= (E value)

Updates the first position of the list to contain value.

Equivalent to theList[0] = value;.

The list must be non-empty.


void set first(E value);