So I am going through Practical Common Lisp once again and I cannot really understand how to create a vector with constant size. According to the book: However, even a vector with a fill pointe...

I am reading Practical Common Lisp by Peter Seibel. In Chapter 9, he is walking the reader through creating a unit testing framework, and he includes the following macro to determine whether a list...

In Practical Common Lisp's Chapter 8, Macros: Defining Your Own, we define a macro with-gensyms as follows: (defmacro with-gensyms ((&rest names) &body body) `(let ,(loop for n in names c...

I'm reading Gigamonkey's (Peter Seibel's) Practical Common Lisp, and came across the following statement in the section about DO in the Macros chapter: As with the variable definitions in a L...

In Peter Seibel's book "Practical Common Lisp", we can find the definition of the very complicated macro once-only (see the bottom of page http://www.gigamonkeys.com/book/macros-defining-your-own.h...