even? -- vonuvoli Definition

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Kind

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predicate;

Extends

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• even? (from r7rs);

Procedure signature

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Procedure variants:

• ((integer-zero |1...|) -> (true))
  • inputs:
    • a value of type integer-zero;
    • ... -- at least one time;
  • output: a value of type true;
• ((integer-even |1...|) -> (true))
  • inputs:
    • a value of type integer-even;
    • ... -- at least one time;
  • output: a value of type true;
• ((integer-odd |1...|) -> (false))
  • inputs:
    • a value of type integer-odd;
    • ... -- at least one time;
  • output: a value of type false;
• ((integer |1...|) -> (false))
  • inputs:
    • a value of type integer;
    • ... -- at least one time;
  • output: a value of type false;

Exports

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• vs:arithmetic -- (vonuvoli arithmetic);

Exports recursive

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• vs:base -- (vonuvoli base);

Referenced-types

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

Categories

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• vs:r7rs;
• vs:arithmetic;