+//////////
+// archiving
+//////////
+
+/** Construct object from archive_node. */
+fail::fail(const archive_node &n, const lst &sym_lst) : inherited(n, sym_lst)
+{
+ debugmsg("fail constructor from archive_node", LOGLEVEL_CONSTRUCT);
+}
+
+/** Unarchive the object. */
+ex fail::unarchive(const archive_node &n, const lst &sym_lst)
+{
+ return (new fail(n, sym_lst))->setflag(status_flags::dynallocated);
+}
+
+/** Archive the object. */
+void fail::archive(archive_node &n) const
+{
+ inherited::archive(n);
+}
+