Swift: Generics with custom type passing and definition

generics.swift

import UIKit

class BaseClass {
    let name = "BaseClass"
    var key = 0
    required init() {
        key = 100
    }
}

protocol MappingModel {
    
}

protocol APIClient {

}

class Type1 : BaseClass {
    required init() {
        super.init()
        key = 1
    }
}

class Type2 : BaseClass {
    required init() {
        super.init()
        key = 2
    }

}


struct SetupTableClient<T : BaseClass>: APIClient {
    
    func fetchSetupTable<T>(_ type: T.Type) where T:BaseClass, T:MappingModel {
        self.saveSingleTable(type)
    }
    
    func saveSingleTable<T>(_ type: T.Type) where T:BaseClass, T:MappingModel {
        let tent = T()
        print(tent.name + " \(tent.key)")
    }
}