Initialize Struct class using Generics and work for b->child1,child2. So if you access b you can get b.meta and b.response<home,login,signup>

GenericsExperiement

/*-------------Initialize Struct class using Generics and bounding for b->child1,child2-----*/

struct b<T> {
    var resp: T?
    var meta: metaResp?
    
    init?(input:Dictionary<String,Any>,resp: T) {
        self.resp = resp
        let bin:[String:Any] = input["base"] as! [String : Any]
        meta = metaResp.init(input: bin["meta"] as! Dictionary<String, Any>)
    }
}


struct metaResp{
    let status:Bool?
    let message:String?
    let code:Int?
    init(input:Dictionary<String,Any>) {
        self.status = input["status"] as! Bool?
        self.code = input["code"] as! Int?
        self.message = input["message"] as! String?
    }
}

struct loginResp{
    var email:String?
    var name:String?
    init(input:Dictionary<String,Any>) {
    self.email = input["email"] as! String?
    self.name = input["name"] as! String?
    }
}

struct homeResp{
    var flips:[Int]?
    var ownerId:Int?
    init(input:Dictionary<String,Any>) {
        self.flips = input["flips"] as! [Int]?
        self.ownerId = input["ownerId"] as! Int?
    }
}

let loginResponse:[String:Any] = ["base":["meta":["status":true,"code":200,"message":"login success"]],"response":["email":"a@a.com","name":"apple"]]

let homeResponse:[String:Any] = ["base":["meta":["status":true,"code":200,"message":"home success"]],"response":["flips":[1,2,3],"ownerId":100]]

if let l = b<loginResp>(
    input:loginResponse,
    resp:loginResp.init(input: loginResponse["response"] as! Dictionary<String, Any>)) {
    print(l.resp?.name as Any)
    print(l.meta?.message as Any)
}

if let r = b<homeResp>(input:homeResponse,resp:homeResp.init(input: homeResponse["response"] as! Dictionary<String, Any>)) {
    print(r.meta?.message as Any)
    print(r.resp?.flips as Any)
    print(r.resp?.ownerId as Any)
}