No384

https://leetcode-cn.com/problems/shuffle-an-array/

Refs

Heap's algorithm To Generate Permutations

https://en.wikipedia.org/wiki/Heap%27s_algorithm

2 Different Algorithms

https://medium.com/@rwillt/two-very-different-algorithms-for-generating-permutations-412e8cc0039c

Using Go Channels to Do yield like Python Generators

https://blog.carlmjohnson.net/post/on-using-go-channels-like-python-generators/