get-create.swift

func getRequest(url: String,
                 completion: @escaping ([String: Any]?, Error?) -> Void){
    //URL válida
    guard let URL = URL(string: url) else {
        completion(nil, nil)
        return
    }
  
    //Cria a representacão da requisição
    let request = NSMutableURLRequest(url: URL)
 
    //Atribui à requisiçāo o método GET
    request.httpMethod = "GET"
    
}