Look up the b/s format for specifying rules. It is a lot more flexible. Here's my version : https://github.com/chewxy/ll/blob/main/main.go#L176 https://github.

Look up the b/s format for specifying rules. It is a lot more flexible. Here's my version : https://github.com/chewxy/ll/blob/main/main.go#L176 https://github.com/chewxy/ll/blob/main/main.go#L176 I also live coded this in a series of 3 videos: 1. https://youtu.be/5JArQO8YeRo https://youtu.be/5JArQO8YeRo 2. https://youtu.be/ZLUVAWb_31M https://youtu.be/ZLUVAWb_31M 3. https://youtu.be/BIypQF7M9c8 https://youtu.be/BIypQF7M9c8 My approach differs from yours in that mine is entirely matrix driven.