caar -- r7rs Definition

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Kind

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accessor;

Implemented by

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• caar (from vonuvoli);

Procedure signature

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Procedure variants:

• ((any) -> (any))
  • input: a value of type any;
  • output: a value of type any;

Exports

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• scheme:base -- (scheme base);

Exports recursive

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• scheme -- (scheme);

Description

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(caar pair)
(cadr pair)
(cdar pair)
(cddr pair)

These procedures are compositions of car and cdr as follows:

(define (caar x) (car (car x)))
(define (cadr x) (car (cdr x)))
(define (cdar x) (cdr (car x)))
(define (cddr x) (cdr (cdr x)))

---

The text herein was sourced and adapted as described in the "R7RS attribution of various text snippets" appendix.

Referenced-types

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• any;