1 files changed, 9 insertions, 0 deletions
diff --git a/include/device.h b/include/device.h
index 3f18921..62c4073 100644
--- a/include/device.h
+++ b/include/device.h
@@ -12,6 +12,15 @@ namespace nitrokey {
 namespace device {
     using namespace std::chrono_literals;
 
+    struct EnumClassHash
+    {
+        template <typename T>
+        std::size_t operator()(T t) const
+        {
+          return static_cast<std::size_t>(t);
+        }
+    };
+
 enum class DeviceModel{
     PRO,
     STORAGE