vector-ref -- r7rs Definition

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Kind

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accessor;

Implemented by

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• vector-ref (from vonuvoli);

Procedure signature

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Procedure variants:

• ((vector-not-empty range-offset) -> (any))
  • inputs:
    • a value of type vector-not-empty;
    • a value of type range-offset;
  • 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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(vector-ref vector k)

Domain: It is an error if k is not a valid index of vector.

The vector-ref procedure returns the contents of element k of vector.

(vector-ref '#(1 1 2 3 5 8 13 21)
            5)                          ===>  8
(vector-ref '#(1 1 2 3 5 8 13 21)
            (exact
             (round (* 2 (acos -1)))))  ===>  13

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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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• vector-not-empty;
• range-offset;
• any;