auto Read(Tokenizer* tokenizer) {
    Token token = tokenizer->GetToken();
    tokenizer->Next();
    if (ConstantToken* constant = std::get_if<ConstantToken>(&token)) {
        return std::make_shared<Number>(constant->GetValue());
    } else if (SymbolToken* symbol = std::get_if<SymbolToken>(&token)) {
        return std::make_shared<Symbol>(symbol->GetString());
    } else if (DotToken* dot = std::get_if<DotToken>(&token)) {
        return std::shared_ptr<Dot>();
    } else if (token == Token{BracketToken::OPEN}) {
        return ReadList(tokenizer);
    } else if (token == Token{BracketToken::CLOSE}) {  // <---- ИНТЕРЕСЕН ВОТ ЭТОТ СЛУЧАЙ
        return std::shared_ptr<CloseBracket>();
    } else {
        return nullptr;
    }
}

auto ReadList(Tokenizer* tokenizer) {
    auto cell = std::shared_ptr<Cell>(new Cell);
    cell->SetFirst(Read(tokenizer));
    if (typeid(cell->GetFirst()) == typeid(std::shared_ptr<CloseBracket>())) {  // Не работает :(
        tokenizer->Next();
        return nullptr;
    }