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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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