even? -- r7rs Definition

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Kind

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predicate;

Extended by

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• even? (from vonuvoli);

Procedure signature

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Procedure variants:

• ((integer-zero) -> (true))
  • input: a value of type integer-zero;
  • output: a value of type true;
• ((integer-even) -> (true))
  • input: a value of type integer-even;
  • output: a value of type true;
• ((integer-odd) -> (false))
  • input: a value of type integer-odd;
  • output: a value of type false;
• ((integer) -> (false))
  • input: a value of type integer;
  • 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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Please refer to zero?.

Referenced-types

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• integer-zero;
• true;
• integer-even;
• integer-odd;
• false;
• integer;