You can actually get completely stupid with this in Common Lisp using something called a "Reader Macro" which lets you temporarily take complete control over th

You can actually get completely stupid with this in Common Lisp using something called a "Reader Macro" which lets you temporarily take complete control over the interpreter. For example, I have this joke project that defines a DSL for fizzbuzz: https://github.com/DanielKeogh/fizzbuzz https://github.com/DanielKeogh/fizzbuzz