exact-integer? -- r7rs Definition

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Kind

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type-predicate;

Extended by

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• exact-integer? (from vonuvoli);

Procedure signature

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Procedure variants:

• ((exact-integer) -> (true))
  • input: a value of type exact-integer;
  • output: a value of type true;
• ((exact-number) -> (false))
  • input: a value of type exact-number;
  • output: a value of type false;
• ((inexact-number) -> (false))
  • input: a value of type inexact-number;
  • output: a value of type false;
• ((number) -> (false))
  • input: a value of type number;
  • output: a value of type false;

Exports

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• scheme:base -- (scheme base);

Exports recursive

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• scheme -- (scheme);

Description

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(exact-integer? z)

Returns #t if z is both exact and an integer; otherwise returns #f.

(exact-integer? 32)    ===>  #t
(exact-integer? 32.0)  ===>  #f
(exact-integer? 32/5)  ===>  #f

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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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• exact-integer;
• true;
• exact-number;
• false;
• inexact-number;
• number;