rationalp

rationalp Function

Syntax:

rationalp object → generalized-boolean

Arguments and Values:

object—an object.

generalized-boolean—a generalized boolean.

Description:

Returns true if object is of type rational; otherwise, returns false.

Examples:

(rationalp 12) → true 
(rationalp 6/5) → true 
(rationalp 1.212) → false 

See Also:

rational

Notes:

(rationalp object) ≡ (typep object ’rational)

Expanded Reference: rationalp

tip

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(rationalp )