21.2.13 streamp [Function]

streamp object ⇒ generalized-boolean

Arguments and Values::

object—an object.

generalized-boolean—a generalized boolean.

Description::

Returns true if object is of type stream; otherwise, returns false.

streamp is unaffected by whether object, if it is a stream, is open or closed.

Examples::

 (streamp *terminal-io*) ⇒  true
 (streamp 1) ⇒  false

Notes::

 (streamp object) ≡ (typep object 'stream)