如何快速将 userModel 的值 覆盖到 UserData里

Question

class UserData :ObservableObject {
    @Published var id :Int = 0
    @Published var nickName :String = "0"
    @Published var exp:Int  = 0
    @Published var des :String = ""
    @Published var avatar :String = ""
}

struct UserModel:Codable,Hashable {
    let id: Int
    let nickName: String
    let des: String
    let exp: Int
    let avatar :String
    let fans :[Int]
    let follower :[Int]
    }

如何快速将 userModel 的值 覆盖到 UserData里

 @EnvironmentObject var userdata:UserData
let n = UserModel()
self.data.id =  n.id 
self.data.nickName =  n.nickName 

这样赋值太慢了 而且不好维护