...

common/adc_traits.h

@@ -1,11 +1,11 @@
 #pragma once
 
+#include <chrono>
 #include <format>
 #include <ranges>
 #include <tuple>
 #include <type_traits>
 
-
 /*
 
     ABSTRACT DEVICE COMPONENTS LIBRARY
@@ -202,4 +202,12 @@ template <typename T>
 concept adc_tuple_like = adc_is_tuple_v<T> == true;
 
 
+template <typename T>
+// from https://stackoverflow.com/questions/74383254/concept-that-models-only-the-stdchrono-duration-types
+concept adc_time_duration_c = requires {
+    []<class Rep, class Period>(std::type_identity<std::chrono::duration<Rep, Period>>) {}(std::type_identity<T>());
+};
+
+
+
 }  // namespace adc::traits