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Swift2 smalltalk osxdev
The document discusses Swift and its development. It mentions Swift's libraries being available on GitHub, the Swift package manager, integrated debugging with LLDB, and how the Swift community communicates and contributes to the language through mailing lists, GitHub, and bugs.swift.org. Communication and contribution is overseen by a core team and committers.
Swift2 smalltalk osxdev
- 1. twitter.com/@godrm facebook.com/godrm func swift(?)->(!) {return (“version”, 2) } OSXDEV.org
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- 4. WWDC Swift Panelmeetup https://realm.io/news/apple-wwdc-2015-swift-panel-discussion/
- 5. Namespace Closures .map.reduce Generics inferred type Bridging Protocol Initialization Operators Strings andChar Enumerations Class & Structures Optional ARC Currying
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- 7. Improved option sets Markdownin comments Objective-C generics Nullability in Objective-C Faster debug mode C function pointer APIs Parallelized WMO guard defer do { } Synthesized“headers”in Xcode SIMD supportPattern matching in "if" Swift 1.2 to 2.0 Migrator @testable Protocol extensions Availability checking Error Handling Model Multi-payload enums Recursive nested functions Faster runtime Shorter compile time New playgrounds Mutability warnings
- 9. Lisp, Prolog FORTRAN,ALGOL Simula SmalltalkC Objective-C, C++ Java Python C# Pascal Erlang Haskell Scheme Clojure Two Paradigms 1950’s 1960’s 1970’s 1980’s 1990’s 2000’s
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- 11. 2011년 3월 “Object-oriented programmingis eliminated entirely from the introductory curriculum, because it is both anti- modular and anti-parallel by its very nature, and hence unsuitable for a modern CS curriculum. A proposed new course on object- oriented design methodology will be offered at the sophomore level for those students who wish to study this topic.” - Robert Harper, professor at CMU CMU CS 개론 수업에서 OOP 퇴출
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- 13. 순수한 함수 ★ 부작용(side-effect)이없는 함수 ★ 변경 불가한 데이터 (Immutability) ★ 참조 투명성 (referential transparency) ★ 게으른 평가 (lazy Evaluation) ★ 타입 클래스 (type class) ★ 고계 함수 (high-order function)
- 15. Lisp, Prolog FORTRAN,ALGOL Simula Smalltalk Objective-C, C++ Java Python C# Kotlin, Swift Rust Scala Scheme F# Ruby DClojure Julia JS 1950’s 1960’s 1970’s 1980’s 1990’s 2000’s 2010’s Two Paradigms C Pascal Erlang Haskell
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- 18. Swift Library v1.0 ✴libswiftAppKit.dylib* ✴ libswiftCoreGraphics.dylib* ✴ libswiftDarwin.dylib* ✴ libswiftDispatch.dylib* ✴ libswiftFoundation.dylib* ✴ libswiftObjectiveC.dylib* ✴ libswiftSpriteKit.dylib* ✴ libswiftXCTest.dylib* ✴ libswift_runtime.a ✴ libswift_stdlib_core.dylib*
- 19. Swift Library v2.0 ✴libswiftAppKit.a ✴ libswiftCoreGraphics.a ✴ libswiftDarwin.a ✴ libswiftDispatch.a ✴ libswiftFoundation.a ✴ libswiftObjectiveC.a ✴ libswiftSpriteKit.a ✴ libswiftXCTest.a ✴ libswift_runtime.a libswiftAVFoundation.a libswiftCloudKit.a libswiftContacts.a libswiftCore.a libswiftCoreAudio.a libswiftCoreBluetooth.a libswiftCoreData.a libswiftCoreImage.a libswiftCoreLocation.a libswiftCoreMedia.a libswiftEventKit.a libswiftGLKit.a libswiftGameCenter.a libswiftGameplayKit.a libswiftLocalAuthentication.a libswiftMultipeerConnectivity.a libswiftOpenCL.a libswiftSceneKit.a libswiftWebKit.a libswiftsimd.a
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- 24. Protocol-Oriented Programming in Swift Session408 #WWDC 2015Development Tools Dave Abrahams | Professor of Bowling-Your-Mind
- 25. • Encapsulation • AccessControl • Abstraction • Namespace • Expressive Syntax • Extensibility Classes Are Awesome
- 26. Classes Are Awesome •Encapsulation • Access Control • Abstraction • Namespace • Expressive Syntax • Extensibility ClassesClassesClassesTypes I can do all that with structs and enums.
- 27. Value Type vs.Reference Type Call by value, Call by reference
- 28. Classes That DoNot Contain References Reference Reference Reference Reference Point Point Point Point Array class Point { var x, y: Float } } for p in array { ... var array: [Point] = ...
- 29. var x, y:Float struct Point { Structs That Do Not Contain References Array for p in array { } ... var array: [Point] = ... Point Point Point Point } All reference counting operations eliminated
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- 32. TOIBE Index (Dec.2015)
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- 35. OSI-approved license Later thisyear Code contributions accepted
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- 39. Core Libraries ✴ swift-corelibs-foundation ✴http://www.github.com/apple/swift-corelibs-foundation ✴ swift-corelibs-libdispatch ✴ http://www.github.com/apple/swift-corelibs-libdispatch ✴ swift-corelibs-xctest ✴ http://www.github.com/apple/swift-corelibs-xctest
- 40. Package Manager ✴ Swift-package-manager ✴https://github.com/apple/swift-package-manager ✴ swift-build import PackageDescription let package = Package( name: "Dealer", targets: [], dependencies: [ .Package(url: "https://github.com/apple/example-package-deckofplayingcards.git", majorVersion: 1), ] ) https://github.com/apple/swift-llbuild
- 41. REPL & Debugger ✴Integrated debugging ✴ LLDB
- 42. Community ✴ Communication ✴ MailingLists, github, bugs.swift.org ✴ Structure ✴ Project lead, core team, code owner, committer, contributor ✴ Contributing & Proposing New Features https://swift.org/community/