1 files changed, 39 insertions, 0 deletions
diff --git a/modules/lang/c++/c_transfer.hpp b/modules/lang/c++/c_transfer.hpp
index 5de204c..953f732 100644
--- a/modules/lang/c++/c_transfer.hpp
+++ b/modules/lang/c++/c_transfer.hpp
@@ -4,4 +4,43 @@
 #include "c_types.hpp"
 
 namespace saw {
+namespace impl {
+template<typename T, typename Enc>
+struct c_transfer_generater;
+
+template<typename T, typename Enc>
+struct c_transfer_generater<T,Enc> {
+public:
+	static error_or<void> apply (const lang_c::config& cfg, lang_c::transfer_binding_state& state){
+
+		return make_error<err::not_implemented>();
+	}
+};
+
+template<typename... TransTypes, typename Enc>
+struct c_transfer_generater<tmpl_group<TransTypes...>, Enc> {
+private:
+	// Not used currently
+	using ReducedTmplGroup = typename tmpl_reduce<tmpl_group<TransTypes...>>::type;
+private:
+	template<uint64_t i>
+	static error_or<void> apply_ele(const lang_c::config& cfg, lang_c::transfer_binding_state& state){
+		if constexpr ( i < sizeof...(TransTypes)){
+			{
+				using pType = typename parameter_pack_type<i, TransTypes...>::type;
+				auto eov = c_transfer_generater<pType, Enc>::apply(cfg,state);
+				if(eov.is_error()){
+					return eov;
+				}
+			}
+			return apply_ele<i+1u>(cfg,state);
+		}
+		return make_void();
+	}
+public:
+	static error_or<void> apply(const lang_c::config& cfg, lang_c::transfer_binding_state& state){
+		return apply_ele<0u>(cfg, state);
+	}
+};
+}
 }