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 ANSI Common Lisp    13 Characters    13.2 Dictionary of Characters
 
| 13.2.7  characterp | 
Function | 
  
 - Syntax:
 - 
characterp
object
  
  generalized-boolean
  - Arguments and Values:
 - 
object - an object.
generalized-boolean - a generalized boolean.
 
  - Description:
 - 
Returns true if object is of type character; otherwise, returns false.
  - Examples:
 - 
 (characterp #\a)   true
 (characterp 'a)   false
 (characterp "a")   false
 (characterp 65.)   false
 (characterp #\Newline)   true
 ;; This next example presupposes an implementation 
 ;; in which #\Rubout is an implementation-defined character.
 (characterp #\Rubout)   true
 
  - See Also:
 - 
character (type and function), typep
  - Notes:
 - 
 (characterp object) ==(typep object 'character)
 
  - Allegro CL Implementation Details:
 - 
 None.
  
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