Remove td::ctie.

GitOrigin-RevId: 926a19055770a2566778a022d01b7a9661d46ae6

td/generate/tl_json_converter.cpp

@@ -31,7 +31,7 @@ void gen_to_json_constructor(StringBuilder &sb, const T *constructor, bool is_he
   }
   sb << " {\n";
   sb << "  auto jo = jv.enter_object();\n";
-  sb << "  jo << ctie(\"@type\", \"" << tl::simple::gen_cpp_name(constructor->name) << "\");\n";
+  sb << "  jo(\"@type\", \"" << tl::simple::gen_cpp_name(constructor->name) << "\");\n";
   for (auto &arg : constructor->args) {
     auto field = tl::simple::gen_cpp_field_name(arg.name);
     // TODO: or as null
@@ -49,7 +49,7 @@ void gen_to_json_constructor(StringBuilder &sb, const T *constructor, bool is_he
                arg.type->vector_value_type->type == tl::simple::Type::Int64) {
       object = PSTRING() << "JsonVectorInt64{" << object << "}";
     }
-    sb << "  jo << ctie(\"" << arg.name << "\", ToJson(" << object << "));\n";
+    sb << "  jo(\"" << arg.name << "\", ToJson(" << object << "));\n";
     if (is_custom) {
       sb << "  }\n";
     }

td/telegram/JsonValue.cpp

@@ -177,7 +177,7 @@ class JsonableJsonValue : public Jsonable {
             if (!check_utf8(member->key_)) {
               LOG(ERROR) << "Have incorrect UTF-8 object key " << member->key_;
             } else {
-              object << ctie(member->key_, JsonableJsonValue(member->value_.get()));
+              object(member->key_, JsonableJsonValue(member->value_.get()));
             }
           }
         }

tdutils/td/utils/JsonBuilder.h

@@ -15,20 +15,11 @@
 #include "td/utils/StringBuilder.h"
 
 #include <new>
-#include <tuple>
 #include <type_traits>
 #include <utility>
 
 namespace td {
 
-template <class... Args>
-std::tuple<const Args &...> ctie(const Args &... args) TD_WARN_UNUSED_RESULT;
-
-template <class... Args>
-std::tuple<const Args &...> ctie(const Args &... args) {
-  return std::tie(args...);
-}
-
 class JsonTrue {
  public:
   friend StringBuilder &operator<<(StringBuilder &sb, const JsonTrue &val) {
@@ -411,10 +402,6 @@ class JsonObjectScope : public JsonScope {
     *sb_ << "}";
   }
   template <class S, class T>
-  JsonObjectScope &operator<<(std::tuple<S, T> key_value) {
-    return (*this)(std::get<0>(key_value), std::get<1>(key_value));
-  }
-  template <class S, class T>
   JsonObjectScope &operator<<(std::pair<S, T> key_value) {
     return (*this)(key_value.first, key_value.second);
   }
@@ -603,7 +590,7 @@ class JsonValue : public Jsonable {
       case Type::Object: {
         auto object = scope->enter_object();
         for (auto &key_value : get_object()) {
-          object << ctie(JsonString(key_value.first), key_value.second);
+          object(JsonString(key_value.first), key_value.second);
         }
         break;
       }

tdutils/test/json.cpp

@@ -48,7 +48,7 @@ TEST(JSON, object) {
   StringBuilder sb(MutableSlice{tmp, sizeof(tmp)});
   JsonBuilder jb(std::move(sb));
   auto c = jb.enter_object();
-  c << std::tie("key", "value");
+  c("key", "value");
   c << std::make_pair("1", 2);
   c.leave();
   ASSERT_EQ(jb.string_builder().is_error(), false);