From 17de6bd8726818705928f1627dfb9140f98a72e8 Mon Sep 17 00:00:00 2001
From: Mateusz Pusz <mateusz.pusz@gmail.com>
Date: Fri, 19 Apr 2024 14:38:11 +0100
Subject: [PATCH] fix: clang compilation fixed workarounded with the CTAD for
 `quantity_formatter`

---
 src/core/include/mp-units/format.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/include/mp-units/format.h b/src/core/include/mp-units/format.h
index 18b1e5c8..14e2c728 100644
--- a/src/core/include/mp-units/format.h
+++ b/src/core/include/mp-units/format.h
@@ -325,6 +325,8 @@ class MP_UNITS_STD_FMT::formatter<mp_units::quantity<Reference, Rep>, Char> {
     }
     void on_text(const Char* begin, const Char* end) const { std::copy(begin, end, out); }
   };
+  template<typename OutputIt, typename... Args>
+  quantity_formatter(const formatter&, OutputIt, Args...) -> quantity_formatter<OutputIt>;
 
   template<typename Handler>
   constexpr const Char* parse_quantity_specs(const Char* begin, const Char* end, Handler&& handler) const