Pasted

protocol Init {
    init(data: [String: Any])
}
 
func httpGet<T: Init>(completion: (T) -> Void) {
    let data: [String: Any] = ["x": "Awesome"]
    completion(T(data: data))
}
 
struct Model: Init {
    let x: String
    init(data: [String: Any]) {
        x = data["x"]! as! String
    }
}
 
httpGet { (model: Model) in
    
}