Update single header

tcbrindle · Nov 28, 2023 · 9c3c618 · 9c3c618
1 parent 7b4cdf6
commit 9c3c618
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/single_include/flux.hpp b/single_include/flux.hpp
@@ -5692,12 +5692,12 @@ inline constexpr struct advance_fn {
     constexpr auto operator()(Seq& seq, cursor_t<Seq>& cur, distance_t offset) const -> distance_t
     {
         if (offset > 0) {
-            while (--offset >= 0)  {
-                if (flux::is_last(seq, flux::inc(seq, cur))) {
-                    break;
-                }
+            distance_t counter = 0;
+            while (offset-- > 0 && !flux::is_last(seq, cur))  {
+                flux::inc(seq, cur);
+                ++counter;
             }
-            return offset;
+            return counter;
         } else if (offset < 0) {
             if constexpr (bidirectional_sequence<Seq>) {
                 auto const fst = flux::first(seq);