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10.2.4 keywordp [Function]

keywordp object => generalized-boolean

Arguments and Values::

object—an object.

generalized-boolean—a generalized boolean.

Description::

Returns true if object is a keyword_1; otherwise, returns false.

Examples::
      (keywordp 'elephant) =>  false
      (keywordp 12) =>  false
      (keywordp :test) =>  true
      (keywordp ':test) =>  true
      (keywordp nil) =>  false
      (keywordp :nil) =>  true
      (keywordp '(:test)) =>  false
      (keywordp "hello") =>  false
      (keywordp ":hello") =>  false
      (keywordp '&optional) =>  false
See Also::

constantp , keyword , symbolp , symbol-package