flutter - （冻结）如何更新另一个列表中的列表中的对象？

Question

我有一个不可变对象（公司），其中包含一个不可变对象列表（部门），其中包含一个不可变对象列表（员工）。

@freezed
class Company with _$Company {
  factory Company({String? name, List<Department>? departments}) = _Company;
}

@freezed
class Department with _$Department {
  factory Department({String? name, List<Employee>? employees}) = _Department;
}

@freezed
class Employee with _$Employee {
  factory Employee({String? name, int? age}) = _Employee;
}

我需要更改特定员工的姓名（实现以下功能）

Company updateEmployeeName(Company company, int DepartmentIndex,int EmployeeIndex){
    ...
  }

这是我的解决方案，但我想知道是否有更简单的方法：

Company updateEmployeeName(Company company, int DepartmentIndex,int EmployeeIndex){
        return company.copyWith(
        departments: company.departments!
          ..[departmentIndex] = company.departments![departmentIndex].copyWith(
              employees: company.departments![departmentIndex].employees!
                ..[employeeIndex] = company
                    .departments![departmentIndex].employees![employeeIndex]
                    .copyWith(name: 'Ali')));
      }