rationalp
rationalp object → generalized-boolean
object—an object.
generalized-boolean—a generalized boolean.
6.2.2 14Returns true if object is of type rational; otherwise, returns false.
(rationalp 12) → true (rationalp 6/5) → true (rationalp 1.212) → false
None.
None.
None.
(rationalp object) ≡ (typep object 'rational)