It's already documented in keyval.c (commit 0ee9ae7), but visitor.h can use a note, too.
Signed-off-by: Markus Armbruster <arm...@redhat.com> Message-Id: <1495471335-23707-3-git-send-email-arm...@redhat.com> Reviewed-by: Eric Blake <ebl...@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com> --- include/qapi/visitor.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/qapi/visitor.h b/include/qapi/visitor.h index b0e233d..4721c39 100644 --- a/include/qapi/visitor.h +++ b/include/qapi/visitor.h @@ -607,6 +607,10 @@ void visit_type_number(Visitor *v, const char *name, double *obj, * @obj must be non-NULL. Input visitors set *@obj to the value; * other visitors will leave *@obj unchanged. *@obj must be non-NULL * for output visitors. + * + * Note that some kinds of input can't express arbitrary QObject. + * E.g. the visitor returned by qobject_input_visitor_new_keyval() + * can't create numbers or booleans, only strings. */ void visit_type_any(Visitor *v, const char *name, QObject **obj, Error **errp); -- 2.7.4
