streamp (ANSI and GNU Common Lisp Document)

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#### 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)