characterp [Function]

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::

section character [Function] (type and function), section typep [Function]

Notes::

 (characterp object) == (typep object 'character)

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