45: Swift News January 2018

• Sequence.split should have a Lazy equivalent: SR-6691
• Conditional conformance swift.org blog post: https://swift.org/blog/conditional-conformance
• Enforce 16-bit limit for # of function parameters, # of tuple type element: SR-6736
• Xcode 9.3 beta 1: https://developer.apple.com/news/releases/?id=01242018a
• Swift Playgrounds 2.0 for iPad:
  • release post
  • App Store
  • subscriptions
• Support for fallthrough into cases with pattern variables: https://github.com/apple/swift/pull/14041
• Compiler crash fix: https://github.com/apple/swift/pull/14102
• Non-exhaustive enums: SE-0192
• Derived Collection of Enum Cases: SE-0194
• Introduce User-defined “Dynamic Member Lookup” Types: SE-0195
• Compiler Diagnostic Directives: SE-0196
• Adding toggle to Bool: forums discussion

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