Add reference to iterator_traits

fmtlib · Sep 14, 2024 · 50aac2a · 50aac2a
1 parent 538d877
commit 50aac2a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/include/fmt/format.h b/include/fmt/format.h
@@ -117,6 +117,7 @@ namespace std {
 template <> struct iterator_traits<fmt::appender> {
   using iterator_category = output_iterator_tag;
   using value_type = char;
+  using reference = char&;
   using difference_type = ptrdiff_t;
 };
 }  // namespace std