From 9d237c68b7ce6cdefc645daad5fa1fc57a2d80be Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Sat, 1 Jul 2023 12:18:57 +0200
Subject: c++,core,codec-json: Changed an error

---
 src/codec-json/json.tmpl.h | 5 +----
 src/core/error.h           | 5 +++++
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/codec-json/json.tmpl.h b/src/codec-json/json.tmpl.h
index 9a28fe9..2bbfa5d 100644
--- a/src/codec-json/json.tmpl.h
+++ b/src/codec-json/json.tmpl.h
@@ -71,7 +71,6 @@ struct json_encode<schema::String, RootSchema, FromEncode>  {
 
 template<typename... T, typename RootSchema, typename FromEncode>
 struct json_encode<schema::Tuple<T...>, RootSchema, FromEncode>  {
-
 	template<size_t i>
 	static error_or<void> encode_element(const data<schema::Tuple<T...>, FromEncode>& from, buffer& to){
 		auto eov = json_encode<typename parameter_pack_type<i, T...>::type, RootSchema, FromEncode>::encode(from.template get<i>(), to);
@@ -484,9 +483,7 @@ struct json_decode<schema::Struct<schema::Member<T,Lits>...>, RootSchema, ToDeco
 			constexpr static string_literal Literal = parameter_key_pack_type<i, Lits...>::literal;
 			if(search_name == Literal.view()){
 				if(fields[i]){
-					// TODO Change to this. Maybe
-					// return make_error<err::already_exists>();
-					return make_error<err::invalid_state>();
+					return make_error<err::already_exists>();
 				}
 				fields[i] = true;
 				auto eov = json_decode<Type, RootSchema, ToDecode>::decode(buff, to.template get<Literal>());
diff --git a/src/core/error.h b/src/core/error.h
index 493147f..abd979b 100644
--- a/src/core/error.h
+++ b/src/core/error.h
@@ -159,6 +159,11 @@ struct not_implemented {
 	static constexpr std::string_view description = "Not implemented";
 	static constexpr bool is_critical = true;
 };
+
+struct already_exists {
+	static constexpr std::string_view description = "Already exists";
+	static constexpr bool is_critical = false;
+};
 }
 
 /**
-- 
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