beads

表示层次结构的数据结构。

   Copyright 2019 Ahmed Charles <[email protected]>

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

lib.rs:

A Forest<T> 是一个用于表示层次结构的数据结构。层次结构存储在容器中，允许 T 是任何可以在常规集合中存储的类型。