cdr -- r7rs Definition

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Kind

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accessor;

Implemented by

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• cdr (from vonuvoli);

Procedure signature

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Procedure variants:

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

Returns the contents of the cdr field of pair. Note that it is an error to take the cdr of the empty list.

(cdr '((a) b c d))      ===>  (b c d)
(cdr '(1 . 2))          ===>  2
(cdr '())               ===>  #error

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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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• pair;
• any;