It is easy to abstract these functions in our current tree-visitor function and allow for pre-built and custom iteration strategies.
在我们当前的树访问者函数中可以轻松抽象这些函数，并支持预构建和自定义的迭代策略。
2
In order to improve stability, no new function was targeted for the last iteration.
为了提高稳定性，最后的迭代没有新的功能。
3
Note at the end of the loop that I recursively call the same function with an argument that is one greater than the previous, implementing the iteration of the loop.