Fix handling of types with to_string_view and formatter specialization (#2180)

2021-03-18 10:11:06 -07:00
parent a6408a3b09
commit 6ae402fd0b
2 changed files with 46 additions and 19 deletions
--- a/include/fmt/args.h
+++ b/include/fmt/args.h
@@ -95,7 +95,9 @@ class dynamic_format_arg_store
  };

  template <typename T>
-  using stored_type = conditional_t<detail::is_string<T>::value,
+  using stored_type = conditional_t<detail::is_string<T>::value &&
+                                        !has_formatter<T, Context>::value &&
+                                        !detail::is_reference_wrapper<T>::value,
                                    std::basic_string<char_type>, T>;

  // Storage of basic_format_arg must be contiguous.