TWISt-shout-2017-02-13.md

TWISt-shout Newsletter 2017-02-13

This Week In Swift for the week of 2017-02-06 to 2017-02-12

##Hot News

• Plan to move swift-evolution and swift-users mailing lists to Discourse

• swiftup: the Swift toolchain installer

##Swift Style

• Using Unicode and operator overloading

##Code Updates

• swift:237 - Doug Gregor (45), Michael Gottesman (35), Roman Levenstein (23)
• swift-corelibs-foundation:11 - Sergey Minakov (6), Syo Ikeda (2), Michael Kösel (1)
• swift-corelibs-libdispatch:1 - Kim Topley (1)
• swift-package-manager:50 - Ankit Aggarwal (44), Bouke Haarsma (2), Norio Nomura (2)
• swift-protobuf:26 - Thomas Van Lenten (22), Tim Kientzle (2), David Paschich (1)
• swift-clang:21 - Duncan P. N. Exon Smith (13), Adrian Prantl (3), Bruno Cardoso Lopes (3)
• swift-llvm:47 - Hans Wennborg (12), Tim Northover (11), Kevin Enderby (5)
• swift-lldb:1 - Sean Callanan (1)
• swift-llbuild:24 - Daniel Dunbar (23), Boris Bügling (1)
• swift-integration-tests:4 - Ankit Aggarwal (4)
• swift-evolution:6 - Rick Ballard (4), Anders Bertelrud (2)

###swift

• use CMAKE_LINKER rather than hardcoding the linker

• cmake: Add a new option called SWIFT_FORCE_OPTIMIZED_TYPECHECKER that forces Sema to be built optimized

• SR-3840 - Sema: Use dynamic dispatch for inout access of properties in classes

• SR-3854 - utils/update-checkout: Fix for mishandling detached HEAD in SR-3854 (#7232)

• SourceKit: Add a new request to translate from Objc names to Swift names and vice versa

###swift-corelibs

• SR-3658 - Fix error in importing Foundation under Linux. This commit may resolve the described error.

These are all the files that have changed in swift-corelibs-foundation

• NSAffineTransform - more guard for 'isEqual(...)'
• NSArray - switch for type casting. guard as precondition.
• NSCalendar - more guard for 'isEqual(...)'; switch for type casting. guard as precondition.
• NSCharacterSet - switch for type casting. guard as precondition.
• NSConcreteValue - switch for type casting. guard as precondition.
• NSDate - switch for type casting. guard as precondition.
• NSDecimalNumber - switch for type casting. guard as precondition.
• NSDictionary - switch for type casting. guard as precondition.
• NSError - more guard for 'isEqual(...)'; Revert "Revert "[NSError] Use Error for user info providers to match the Darwin version""
• NSFileManager - Implementing NSFileManager.homeDirectoryForCurrentUser and homeDirectory(forUser userName: ) (#860)
• NSNumber - switch for type casting. guard as precondition.
• NSObject - more guard for 'isEqual(...)'
• NSOrderedSet - more guard for 'isEqual(...)'
• NSPredicate - more guard for 'isEqual(...)'
• NSRegularExpression - rename class. status update. 'NSRequiresConcreteImplementation' usage where possible.
• NSSet - switch for type casting. guard as precondition.
• NSSpecialValue - switch for type casting. guard as precondition.
• NSSwiftRuntime - switch for type casting. guard as precondition.
• NSTextCheckingResult - fix 'NSRequiresConcreteImplementation' usage for init; change 'open' to 'internal'; rename class. status update. 'NSRequiresConcreteImplementation' usage where possible.
• NSThread - Implement Thread name property
• NSTimeZone - more guard for 'isEqual(...)'
• NSURL - more guard for 'isEqual(...)'
• NSURLCredential - more guard for 'isEqual(...)'
• NSURLRequest - more guard for 'isEqual(...)'
• NSUUID - switch for type casting. guard as precondition.
• NSValue - switch for type casting. guard as precondition.

###swift-lldb

• Changes to LLDB Branch Management

##Dev

• Summary of outstanding compiler crashers

##Server Dev

• Swift Server APIs: Security stream meeting 2

##Evolution

###Proposals Up For Review

• SE-0151 (Feb 13) Package Manager Swift Language Compatibility Version

• SE-0152 (Feb 13) Package Manager Tools Version

###Draft Proposals

• Class and Subclass Existentials (Round 2)

###Cocktail Chatter

• consistent public access modifiers