Fourth update on iterators - HASHSET

examples/deque/even_odd.c

@@ -33,9 +33,10 @@ int main(int argc, char const *argv[])
 
     size_t result, index, sum = 0;
 
-    for (d_iter_toend(&iter); !d_iter_start(&iter);)
+    for (d_iter_to_end(&iter); !d_iter_start(&iter); d_iter_prev(&iter))
     {
-        d_iter_prev(&iter, &result, &index);
+        result = d_iter_value(&iter);
+        index = d_iter_index(&iter);
 
         if ((double)index < (double)d_count(numbers) / 2.0)
             break;