Variable

Summary

A null pointer.

Package

fli

Description

The variable *null-pointer* contains a (:pointer :void) with address 0.

This provides a simple way to pass a null pointer when needed.

Example

(fli:pointer-address fli:*null-pointer*)

=>

0

(fli:null-pointer-p fli:*null-pointer*)

=>

T

See also

pointer-address
null-pointer-p
:pointer