FLI type descriptor
fli
:reference-return type &key allow-null
The type of the object to return by reference.
If non-nil
, if the input argument isnil
a null pointer is passed instead of a reference to an object containingnil
.
:reference-return
type is a shorthand for:reference
with lisp-to-foreign set tonil
and foreign-to-lisp set tot
. See :reference
for more details. :reference
:reference-pass