diff --git a/Concepts.h b/Concepts.h
index 6c2c19c..53a6b7a 100644
--- a/Concepts.h
+++ b/Concepts.h
@@ -77,6 +77,9 @@ namespace Alepha::Hydrogen  ::detail::  Concepts_m
 		template< typename T >
 		concept Streamable= OStreamable< T > and IStreamable< T >;
 
+		template< typename T >
+		concept Enumeration= std::is_enum_v< T >;
+
 
 		// Various operator possible concepts:
 		template< typename T >