Reintroduce ostream support to range formatters (#2014)

2020-11-21 16:31:22 -08:00
parent b8957f50c3
commit 58992761cf
2 changed files with 10 additions and 2 deletions
--- a/include/fmt/ranges.h
+++ b/include/fmt/ranges.h
@@ -254,7 +254,10 @@ struct formatter<
    enable_if_t<fmt::is_range<T, Char>::value
 // Workaround a bug in MSVC 2017 and earlier.
 #if !FMT_MSC_VER || FMT_MSC_VER >= 1927
-                && has_formatter<detail::value_type<T>, format_context>::value
+                &&
+                (has_formatter<detail::value_type<T>, format_context>::value ||
+                 detail::has_fallback_formatter<detail::value_type<T>,
+                                                format_context>::value)
 #endif
                >> {
  formatting_range<Char> formatting;