To get a feel for how these compare, the Common Lisp Cookbook gives some examples for how to do different common operations using the loop, series, and iterate

To get a feel for how these compare, the Common Lisp Cookbook gives some examples for how to do different common operations using the loop, series, and iterate packages: https://lispcookbook.github.io/cl-cookbook/iteration.html https://lispcookbook.github.io/cl-cookbook/iteration.html