From 4cc8b6f18ba2221cda38b98b04ddc559c059989f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Kr=C3=BCgler?= <daniel.kruegler@gmail.com>
Date: Sun, 3 Jul 2022 18:24:07 +0200
Subject: [PATCH] Remove workaround explicit specializations if the partial
 specialization would cause an ambiguity error

---
 include/fmt/std.h | 29 +++--------------------------
 1 file changed, 3 insertions(+), 26 deletions(-)

diff --git a/include/fmt/std.h b/include/fmt/std.h
index fe1c2c47..227f4841 100644
--- a/include/fmt/std.h
+++ b/include/fmt/std.h
@@ -58,6 +58,9 @@ inline void write_escaped_path<std::filesystem::path::value_type>(
 }  // namespace detail
 
 #if !FMT_MSC_VERSION || FMT_MSC_VERSION >= 1920
+// For MSVC 2017 and earlier using the partial specialization
+// would cause an ambiguity error, therefore we provide it only
+// conditionally.
 template <typename Char>
 struct formatter<std::filesystem::path, Char>
     : formatter<basic_string_view<Char>> {
@@ -70,32 +73,6 @@ struct formatter<std::filesystem::path, Char>
         basic_string_view<Char>(quoted.data(), quoted.size()), ctx);
   }
 };
-#else
-// Workaround for MSVC 2017 and earlier.
-template <>
-struct formatter<std::filesystem::path, char>
-    : formatter<basic_string_view<char>> {
-  template <typename FormatContext>
-  auto format(const std::filesystem::path& p, FormatContext& ctx) const ->
-      typename FormatContext::iterator {
-    basic_memory_buffer<char> quoted;
-    detail::write_escaped_path(quoted, p);
-    return formatter<basic_string_view<char>>::format(
-        basic_string_view<char>(quoted.data(), quoted.size()), ctx);
-  }
-};
-template <>
-struct formatter<std::filesystem::path, wchar_t>
-    : formatter<basic_string_view<wchar_t>> {
-  template <typename FormatContext>
-  auto format(const std::filesystem::path& p, FormatContext& ctx) const ->
-      typename FormatContext::iterator {
-    basic_memory_buffer<wchar_t> quoted;
-    detail::write_escaped_path(quoted, p);
-    return formatter<basic_string_view<wchar_t>>::format(
-        basic_string_view<wchar_t>(quoted.data(), quoted.size()), ctx);
-  }
-};
 #endif
 FMT_END_NAMESPACE
 #endif