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Function STREAMP

Syntax

  • streamp objectgeneralized-boolean

Arguments and Values

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

Side Effects

None.

Affected By

None.

Exceptional Situations

None.

See Also

None.

Notes

(streamp object) ≡ (typep object 'stream)

\issue{CLOSED-STREAM-FUNCTIONS:ALLOW-INQUIRY}