Get the first key in the map that is strictly larger than key
. Returns null
if no key was not found.
K firstKeyAfter(K key) { if (key == null) throw new ArgumentError(key); if (_root == null) return null; int comp = _splay(key); if (comp > 0) return _root.key; _SplayTreeNode<K> node = _root.right; if (node == null) return null; while (node.left != null) { node = node.left; } return node.key; }
© 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/SplayTreeMap/firstKeyAfter.html