free-callback ( alien -- )


Vocabulary
alien

Inputs
alienan alien


Outputs
None

Word description
Releases the callback heap memory allocated for an alien callback.

Warning
If the callback is invoked (either from C or Factor) after it has been freed, then Factor may crash.


See also
<callback>, unregister-and-free-callback, with-callback

Definition
IN: alien

PRIMITIVE: free-callback ( alien -- )