From 64eb4c5cf524a631f7023c0aea84fe3acd8c983e Mon Sep 17 00:00:00 2001
From: Jochen Topf <jochen@topf.org>
Date: Thu, 19 Dec 2024 20:38:35 +0100
Subject: [PATCH] Use new form of type traits available in C++14

---
 include/protozero/basic_pbf_builder.hpp | 2 +-
 include/protozero/pbf_message.hpp       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/protozero/basic_pbf_builder.hpp b/include/protozero/basic_pbf_builder.hpp
index 0ede726fa..653e13db6 100644
--- a/include/protozero/basic_pbf_builder.hpp
+++ b/include/protozero/basic_pbf_builder.hpp
@@ -40,7 +40,7 @@ namespace protozero {
 template <typename TBuffer, typename T>
 class basic_pbf_builder : public basic_pbf_writer<TBuffer> {
 
-    static_assert(std::is_same<pbf_tag_type, typename std::underlying_type<T>::type>::value,
+    static_assert(std::is_same<pbf_tag_type, std::underlying_type_t<T>>::value,
                   "T must be enum with underlying type protozero::pbf_tag_type");
 
 public:
diff --git a/include/protozero/pbf_message.hpp b/include/protozero/pbf_message.hpp
index d7fd8b5d0..393078b9b 100644
--- a/include/protozero/pbf_message.hpp
+++ b/include/protozero/pbf_message.hpp
@@ -64,7 +64,7 @@ namespace protozero {
 template <typename T>
 class pbf_message : public pbf_reader {
 
-    static_assert(std::is_same<pbf_tag_type, typename std::underlying_type<T>::type>::value,
+    static_assert(std::is_same<pbf_tag_type, std::underlying_type_t<T>>::value,
                   "T must be enum with underlying type protozero::pbf_tag_type");
 
 public: