From f08ea2051eeff565d7d63d721371206133c48b63 Mon Sep 17 00:00:00 2001
From: Oliver Reiche <oliver.reiche@huawei.com>
Date: Wed, 9 Mar 2022 18:11:20 +0100
Subject: FileSystemManager: Support set epoch time on file creation

---
 src/utils/cpp/concepts.hpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/utils/cpp/concepts.hpp')

diff --git a/src/utils/cpp/concepts.hpp b/src/utils/cpp/concepts.hpp
index 92718b43..597179e1 100644
--- a/src/utils/cpp/concepts.hpp
+++ b/src/utils/cpp/concepts.hpp
@@ -1,6 +1,7 @@
 #ifndef INCLUDED_SRC_UTILS_CPP_CONCEPTS_HPP
 #define INCLUDED_SRC_UTILS_CPP_CONCEPTS_HPP
 
+#include <chrono>
 #include <string>
 #include <type_traits>
 
@@ -52,4 +53,17 @@ template <class T>
 concept InputIterableStringContainer =
     InputIterableContainer<T>and ContainsString<T>;
 
+// TODO(modernize): remove this once we require clang version >= 14.0.0
+template <typename T>
+concept ClockHasFromSys =
+    requires(std::chrono::time_point<std::chrono::system_clock> const tp) {
+    T::from_sys(tp);
+};
+
+// TODO(modernize): remove this once we require clang version >= 14.0.0
+template <typename T>
+concept ClockHasFromTime = requires(std::time_t const t) {
+    T::from_time_t(t);
+};
+
 #endif  // INCLUDED_SRC_UTILS_CPP_CONCEPTS_HPP
-- 
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