+ ->indexof_from_to (list, 0, size, elt);
+}
+
+size_t
+gl_list_indexof_from (gl_list_t list, size_t start_index, const void *elt)
+{
+ size_t size = ((const struct gl_list_impl_base *) list)->vtable->size (list);
+ return ((const struct gl_list_impl_base *) list)->vtable
+ ->indexof_from_to (list, start_index, size, elt);
+}
+
+size_t
+gl_list_indexof_from_to (gl_list_t list, size_t start_index, size_t end_index, const void *elt)
+{
+ return ((const struct gl_list_impl_base *) list)->vtable
+ ->indexof_from_to (list, start_index, end_index, elt);