suppressed clang-tidy warning

Author: OmerMajNition

include/reactor-cpp/action.hh

@@ -153,8 +153,15 @@ public:
 
 class Timer : public BaseAction {
 protected:
+#if __has_warning("-Wcppcoreguidelines-non-private-member-variables-in-classes")
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wcppcoreguidelines-non-private-member-variables-in-classes"
+#endif
   Duration offset_{0};
   Duration period_{0};
+#if __has_warning("-Wcppcoreguidelines-non-private-member-variables-in-classes")
+#pragma clang diagnostic pop
+#endif
 
   void cleanup() noexcept final;