type BaseUser = {
   id: number
   name: string;
   role: 0 | 1 | 2,
   owner_name: string;
   member_count: number
}

type Admin  = BaseUser & {
    role: 1 | 2
    code: string
}

type RegularUser = BaseUser & {
   role: 0
}

type CourseGeneral = Admin | RegularUser

type BaseUser = {
   id: number
   name: string;
   role: 0 | 1 | 2,
   owner_name: string;
   member_count: number
}

type Admin  = BaseUser & {
    role: 1 | 2
    code: string
}

type RegularUser = BaseUser & {
   role: 0
}

type CourseGeneral = Admin | RegularUser

type BaseUser = {
   id: number
   name: string;
   role: 0 | 1 | 2,
   owner_name: string;
   member_count: number
}

interface Admin extends BaseUser  {
    role: 1 | 2
    code: string
}

interface RegularUser extends BaseUser {
   role: 0
}

type CourseGeneral = Admin | RegularUser

type BaseUser = {
   id: number
   name: string;
   role: 0 | 1 | 2,
   owner_name: string;
   member_count: number
}

interface Admin extends BaseUser  {
    role: 1 | 2
    code: string
}

interface RegularUser extends BaseUser {
   role: 0
}

type CourseGeneral = Admin | RegularUser