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ANSI Common Lisp  13 Characters 13.2 Dictionary of Characters
| 13.2.8 alpha-char-p |
Function |
- Syntax:
-
alpha-char-p
character
 generalized-boolean
- Arguments and Values:
-
character - a character.
generalized-boolean - a generalized boolean.
- Description:
-
Returns true if character is an alphabetic1 character; otherwise, returns false.
- Examples:
-
(alpha-char-p #\a) true
(alpha-char-p #\5) false
(alpha-char-p #\Newline) false
;; This next example presupposes an implementation
;; in which #\\alfa is a defined character.
(alpha-char-p #\\alfa) implementation-dependent
- Affected By:
-
None.
(In particular, the results of this predicate are independent
of any special syntax which might have been enabled in the current readtable.)
- Exceptional Situations:
-
Should signal an error of type type-error if character is not a character.
- See Also:
-
alphanumericp,
Section 13.1.10 Documentation of Implementation-Defined Scripts
- Allegro CL Implementation Details:
-
None.
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