From 82d057345b2aec1d0e3963717a4855d6c81c0026 Mon Sep 17 00:00:00 2001
From: Francisco <francisco.paisana@softwareradiosystems.com>
Date: Mon, 30 Nov 2020 14:59:15 +0000
Subject: [PATCH] fix compilation issue with user-defined fmt formatter

---
 lib/include/srslte/common/tti_point.h | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/lib/include/srslte/common/tti_point.h b/lib/include/srslte/common/tti_point.h
index 59fa3df29..0f2db24f7 100644
--- a/lib/include/srslte/common/tti_point.h
+++ b/lib/include/srslte/common/tti_point.h
@@ -113,15 +113,21 @@ using tti_interval = srslte::interval<srslte::tti_point>;
 
 } // namespace srslte
 
+namespace fmt {
 template <>
-struct fmt::formatter<srslte::tti_point> : public fmt::formatter<uint32_t> {
-  // parse is inherited from formatter<int>.
+struct formatter<srslte::tti_point> {
+  template <typename ParseContext>
+  auto parse(ParseContext& ctx) -> decltype(ctx.begin())
+  {
+    return ctx.begin();
+  }
   template <typename FormatContext>
-  auto format(srslte::tti_point tti, FormatContext& ctx) -> decltype(format_to(ctx.out(), ""))
+  auto format(srslte::tti_point tti, FormatContext& ctx) -> decltype(std::declval<FormatContext>().out())
   {
     return format_to(ctx.out(), "{}", tti.to_uint());
   }
 };
+} // namespace fmt
 
 namespace srsenb {