lots of tools
as tuhdo answered, do you know lots of tools that offer to restart your program from any point in the stack, after a bug occurred, possibly saving you hours of re-computing? demo: https://www.youtube.com/watch?v=jBBS4FeY7XM That’s really a CL power IMO.
Does it have an advantage over the existing logging libraries? https://github.com/CodyReichert/awesome-cl#logging