Function ckpt_json_object_key

common/script/json_api.cpp:186–197

}

void ckpt_json_object_key(struct ParseState* Parser, struct Value* ReturnValue, struct Value** Param, int NumArgs)
{
    const ScriptArgs args(Parser, Param, NumArgs, "json_object_key");
    nlohmann::json* get = tree(args, 0);
    const int index     = args.num(1);
    if (!get->is_object() || index < 0 || index >= (int)get->size()) {
        args.fail("argument 2 is index %d, out of range", index);
    }
    auto it = get->cbegin();
    std::advance(it, index);
    ReturnValue->Val->Pointer = strToRet(it.key());
}