Note that not all of this code is performant. The Difference Between Arrays[1] snippet is O(n^2), but you could make it much more performant for many data type

Note that not all of this code is performant. The Difference Between Arrays[1] snippet is O(n^2), but you could make it much more performant for many data types. [1] https://github.com/Chalarangelo/30-seconds-of-code#difference-between-arrays https://github.com/Chalarangelo/30-seconds-of-code#differenc...