Примитивные типы в Swift: замыкания и перечисления

1. Замыкания (closures)

Closure Expression Syntax

• { (parameters) -> return type in

•     statements

• }

Пример:

• reversed = sorted(names, { (s1: String, s2: String) -> Bool in
• return s1 > s2
• })

Документация: https://developer.apple.com/library/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Closures.html

2. Перечисления (Enum)

Enumeration Syntax

Синтаксис:

1. enum SomeEnumeration {
2. // enumeration definition goes here
3. }

Пример:

1. enum CompassPoint {
2. case North
3. case South
4. case East
5. case West
6. }

Документация: 

https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Enumerations.html