In computer programming, CAR (car) and CDR (cdr) ( or ) are primitive operations on cons cells (or "non-atomic S-expressions") introduced in the Lisp programming language. A cons cell is composed of two pointers; the car operation extracts the first pointer, and the cdr operation extracts the second.
In computer programming, CAR (car) and CDR (cdr) ( or ) are primitive operations on cons cells (or "non-atomic S-expressions") introduced in the Lisp programming language. A cons cell is composed of two pointers; the car operation extracts the first pointer, and the cdr operation extracts the second.
Source: Wikipedia "CAR and CDR" · CC BY-SA 4.0
Share this article: X · Bluesky