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 ANSI Common Lisp    12 Numbers    12.2 Dictionary of Numbers
 
| 12.2.55  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)
 
  - Allegro CL Implementation Details:
 - 
 None.
  
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