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2025-07-03 19:05:43 +03:00
parent c3d3f0f4b8
commit 08b582b895
4 changed files with 139 additions and 6 deletions
--- a/cxx/mcc_traits.h
+++ b/cxx/mcc_traits.h
@@ -130,6 +130,9 @@ using mcc_retval_t = typename mcc_func_traits<T>::ret_t;
 template <typename T>
 using mcc_func_arg1_t = typename mcc_func_traits<T>::arg1_t;

+template <typename T, size_t N = 1>
+using mcc_func_argN_t = std::
+    conditional_t<N >= mcc_func_traits<T>::arity, std::tuple_element_t<N, typename mcc_func_traits<T>::args_t>, void>;

 namespace details
 {