first property
The first element.
Throws a StateError if this
is empty.
Otherwise returns the first element in the iteration order,
equivalent to this.elementAt(0)
.
Implementation
@override
E get first => elements.first;
The first element of the list.
The list must be non-empty when accessing its first element.
The first element of a list can be modified, unlike an Iterable.
A list.first
is equivalent to list[0]
,
both for getting and setting the value.
final numbers = <int>[1, 2, 3];
print(numbers.first); // 1
numbers.first = 10;
print(numbers.first); // 10
numbers.clear();
numbers.first; // Throws.
Implementation
@override
set first(E value) {
elements.first = value;
}