1) Write a function filter which takes a list and a predicate, and returns the list of the elements from the original list for which the predicate returns true. (There are actually LISP built-ins to …

LISP expressions are composed of forms. The most common LISP form is function application. LISP represents a function call f (x) as (f x). For example, cos (0) is written as (cos 0). LISP …

Lisp was invented by John McCarthy in 1958 while he was at the Massachusetts Institute of Technology (MIT). This reference will take you through simple and practical approach while …

This section contains Common Lisp tutorials and more in-depth guides on specific subjects. Alternatively, you can checkout the books section and find a tutorial you like.

The sample program displayed below demonstrates how Lisp programs are written and used. The program creates a queue, a buffer to which you can add or remove items.

Mar 17, 2022 · Lisp is a programming language that has an overall style that is organized around expressions and functions. Every Lisp procedure is a function, and when called, it returns a …

"One of the most important and fascinating of all computer languages is Lisp (standing for "List Processing"), which was invented by John McCarthy around the time Algol was invented."

Example 9.1. Simple Example. :output '(:lilypond :view t) :parts. (list. (make-part. :name "Piano" :instr :piano. :events. (loop. for off from 0 to 10 by 1/2. collect (make-note :off off. :dur (if (< off …

In the example above, we would have expected a result of t. However, since ' (a b) does not eq another copy of ' (a b) (they are not the same symbol), list-member returns nil.

May 13, 2025 · These examples demonstrate the capabilities of the interpreter and provide practical illustrations of Lisp concepts and programming techniques. The examples range from …