QuackCompiler\Types\Type::__toString PHP Метод

    public function __toString()
    {
        if (null === $this->code) {
            return 'unknown';
        }
        switch ($this->code) {
            case NativeQuackType::T_STR:
                return 'string';
            case NativeQuackType::T_INT:
                return 'integer';
            case NativeQuackType::T_DOUBLE:
                return 'double';
            case NativeQuackType::T_BOOL:
                return 'boolean';
            case NativeQuackType::T_ATOM:
                return 'atom';
            case NativeQuackType::T_REGEX:
                return 'regex';
            case NativeQuackType::T_LIST:
                return "list.of({$this->subtype})";
            case NativeQuackType::T_LAZY:
                return '?';
            case NativeQuackType::T_BLOCK:
                return 'block';
            case NativeQuackType::T_ENUM:
                return 'enum.of(' . $this->subtype . ')';
            case NativeQuackType::T_OBJ:
                // TODO: Implement indent-level for types
                $space = sizeof($this->props) > 0 ? " " : "";
                $src = "object.of(?).with {{$space}";
                foreach ($this->props as $key => $value) {
                    $src .= "{$key} :: {$value}";
                    // When is not the last one, append comma
                    if ($key !== key(array_slice($this->props, -1, 1, true))) {
                        $src .= ', ';
                    }
                }
                $src .= "{$space}}";
                return $src;
            case NativeQuackType::T_MAP:
                return "map.of({$this->subtype['key']} -> {$this->subtype['value']})";
            default:
                return 'unknown';
        }
    }