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 { if (length == 0) throw IterableElementError.noElement(); return this[0]; }void first= (
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) { if (length == 0) throw IterableElementError.noElement(); this[0] = value; }
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-collection/ListMixin/first.html