12.2.55 rationalp [Function]

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 (Function)

Notes::

 (rationalp object) ≡ (typep object 'rational)