first property - SplayTreeSet class - dart:collection library (original) (raw)

description

E getfirst

override

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

E get first {
  final root = _root;
  if (root == null) throw IterableElementError.noElement();
  return (_root = _splayMin(root)).key;
}