Split out the tuple adapter from the test framework.

Part of the larger testing framework simplification.

Utility/TupleAdapter.h

@@ -0,0 +1,55 @@
+static_assert( __cplusplus > 2020'00 );
+
+#pragma once
+
+#include <Alepha/Alepha.h>
+
+#include <Alepha/type_lisp.h>
+
+#include <Alepha/Reflection/tuplizeAggregate.h>
+
+namespace Alepha::Hydrogen::Utility  ::detail::  TupleAdapter_m
+{
+	inline namespace exports {}
+
+	template< Aggregate, TypeListType >
+	struct TupleAdapter_impl;
+
+	namespace exports
+	{
+		template< Aggregate Agg >
+		using TupleAdapter= TupleAdapter_impl
+		<
+			Agg,
+			list_from_tuple_t< Reflection::aggregate_tuple_t< Agg > >
+		>;
+	}
+
+	template< Aggregate Agg >
+	struct TupleAdapter_impl< Agg, Nil >
+		: Agg
+	{
+		TupleAdapter_impl()= default;
+
+		protected:
+			void set( Agg agg ) { static_cast< Agg & >( *this )= agg; }
+	};
+
+	template< Aggregate Agg, typename ... Args >
+	struct TupleAdapter_impl< Agg, TypeList< Args... > >
+		: TupleAdapter_impl< Agg, cdr_t< TypeList< Args... > > >
+	{
+		using Parent= TupleAdapter_impl< Agg, cdr_t< TypeList< Args... > > >;
+		using Parent::Parent;
+
+		TupleAdapter_impl( Args ... args )
+		{
+			this->set( { args... } );
+		}
+	};
+}
+
+namespace Alepha::Hydrogen::Utility::inline exports::inline TupleAdapter_m
+{
+	using namespace detail::TupleAdapter_m::exports;
+}