c++, codec-json: Added struct to json encoding and fixed a buffer bug on

the fly

1 files changed, 17 insertions, 0 deletions

diff --git a/src/core/templates.h b/src/core/templates.h
index 6c0a74e..fcac61b 100644
--- a/src/core/templates.h
+++ b/src/core/templates.h
@@ -53,4 +53,21 @@ struct parameter_key_pack_index {
 				  "Provided string_literal doesn't exist in searched list");
 };
 
+template <size_t i, size_t s, string_literal Key0, string_literal... Keys>
+struct parameter_key_pack_type_helper {
+	static constexpr string_literal literal = parameter_key_pack_type_helper<i, s+1, Keys...>::literal;
+};
+
+template <size_t i, string_literal Key0, string_literal... Keys>
+struct parameter_key_pack_type_helper<i, i, Key0, Keys...> {
+	static constexpr string_literal literal = Key0;
+};
+
+template <size_t i, string_literal... Keys>
+struct parameter_key_pack_type {
+	static constexpr string_literal literal = parameter_key_pack_type_helper<i, 0, Keys...>::literal;
+
+	static_assert(i < sizeof...(Keys), "Provided index is too large in list");
+};
+
 }