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Function CHARACTERP

Syntax

  • characterp objectgeneralized-boolean

Arguments and Values

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

Affected By

None.

Exceptional Situations

None.

See Also

Notes

(characterp object) ≡ (typep object 'character)