Reboot

Was bisher geschah

• letzte Folge war am 17. März 2019 (zu Swift 4.2 Zeiten)
• https://www.whatsnewinswift.com/?from=4.2&to=5.2
  • 5.0
    • Result
    • Dynamic callable
  • 5.1
    • Implicit return
    • Opaque return types
  • 5.2
    • Key Path Expressions as Functions
    • callAsFunction
    • QoL improvements
      • Improved diagnostics!
      • SwiftPM Dependency Resolver
    • bald in 5.3
    • SwiftPM Resources 🥳
    • SwiftUI
    • SwiftPM Support in Xcode o/

Kilians Nutzen von dynamic member lookup für Wrapper-Typen:

struct A { var foo: Int }

@dynamicMemberLookup struct B { private let a: A init() { self.a = A(foo: 1) } subscript<T>(dynamicMember keyPath: KeyPath<A, T>) -> T { a[keyPath: keyPath] } }

B().foo Aktuelles

• apple/swift-standard-library-preview
• Tooling
  • SwiftDocOrg/swift-doc
  • SwiftDocOrg/DocTest

Picks

• twostraws/ControlRoom
• apple/swift-argument-parser

Weitere Links

• SwiftPM Slack
• SwiftDE Slack