Powerful Data Access for Clojure

php的无限级分类树，以树的结构来存储分类等数据，方便的树结构管理，分支查询，删除，移动等操作。无PHP框架限制。Php's infinite-level classification tree uses tree structure to store classification and other data, convenient tree structure management, branch query, delete, and move operations. No PHP framework restrictions.

Defining the trees in a lazy fashion in OCaml.

Constructing Infinite trees , Finding Specific node , Inifinite tree to Finite tree . BFS algorithm .