novinfard

import Foundation
import CoreData

extension MyCoredataObject {

    @nonobjc public class func createFetchRequest() -> NSFetchRequest<MyCoredataObject> {
        return NSFetchRequest<MyCoredataObject>(entityName: "MyCoredataObject")
    }

	@NSManaged public var sortId: Int64

novinfard

import Foundation

var stringOne = "Hello llollo"
var stringTwo = ""

stringOne.isEmpty
stringTwo.isEmpty

stringOne == "Hello llollo"
stringOne == "hello"

novinfard

import Foundation

enum TestPhases {
	case Beta
	case Alpha
	case Stable
}

enum TestPhasesNew: String {
	case Beta = "Beta :)"

novinfard

import Foundation

enum Product {
	case Book(Int, String)
	case Car(Int, Int, String)
}

let AhmadShahBook = Product.Book(10, "Ahmad Shah")

switch AhmadShahBook {

novinfard

Alamofire.request(urlString).responseJSON { response in
    guard case let .failure(error) = response.result else { return }

    if let error = error as? AFError {
        switch error {
        case .invalidURL(let url):
            print("Invalid URL: \(url) - \(error.localizedDescription)")
        case .parameterEncodingFailed(let reason):
            print("Parameter encoding failed: \(error.localizedDescription)")
            print("Failure Reason: \(reason)")

novinfard

let myGroup = DispatchGroup()

var result = [Data]()
for i in 0 ..< 5 {
    myGroup.enter()

    Alamofire.request("https://httpbin.org/get", parameters: ["foo": "bar"]).responseJSON { response in
        print("Finished request \(i)")
        result.append(response.data)
        myGroup.leave()

novinfard

//** simple form
// simple
let clos1 = { () -> Void in
	print("Hello World!")
}
clos1()

// simple 2
let clos2 = { (name: String) -> Void in
	print("Hello \(name)!")

novinfard

let guests = ["Ahmad", "Mohsen", "Ehsan"]

// map closure
guests.map {
	print("Hello \($0)")
}
let messages = guests.map { (name) -> String in
	return name + "!"
}
print(messages)

novinfard

/// Text like this appears in "Description".
///
/// Leave a blank line to separate further text into paragraphs.
///
/// You can use bulleted lists (use `-`, `+` or `*`):
///
/// - Text can be _emphasised_
/// - Or **strong**
///
/// Or numbered lists:

novinfard

+ (NSString *) getCarrierName
{
    CTTelephonyNetworkInfo *netinfo = [[CTTelephonyNetworkInfo alloc] init];
    CTCarrier *carrier = [netinfo subscriberCellularProvider];
    NSString *carrierName = [carrier carrierName];

    if (carrierName == nil) {
        return @"unknown";
    }