caaar -- r7rs Definition

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Kind

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accessor;

Implemented by

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• caaar (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:cxr -- (scheme cxr);

Exports recursive

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• scheme -- (scheme);

Description

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(caaar pair)
(caadr pair)
...
(cdddar pair)
(cddddr pair)

These twenty-four procedures are further compositions of car and cdr on the same principles. For example, caddr could be defined by:

(define caddr (lambda (x) (car (cdr (cdr x)))))

Arbitrary compositions up to four deep are provided.

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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;