Swift Weekly 2017-02-07

Transcript

1. Swift पใ 2017/02/07 John Lin @johnlinvc
2. From the core • Swift 3.1 dev շর ቮ։์Լࡌ • Swift Evolution 㐫ଶท • Swift ׭ํ Docker image
3. Swift 3.1 dev շর • Swift 3.1 త։ᚙ൛ቮៃՄҎԼࡌྃ • ࿨ 3.0 ݪ࢝ᛰ޲Լ૬༰ɼ༻ -swift-version=3.0 बՄ Ҏ႔ཧ 3.0 తݪ࢝ᛰ
4. Swift Evolution 㐫ଶท • https://apple.github.io/swift-evolution/ • ՄҎ؃౸ॴ༗త proposal త㐫ଶɼؐ༗૬ሣጯత Jira Issueɻ
5. Swift ׭ํ docker image • https://hub.docker.com/r/library/swift/ • ՄҎෆ༻᧋linux बೳ䋯Ubuntu 16.04 Swift
6. Evolution • SE-0147 ኑআ UnsafeMutablePointer.initialize(from:)ɼվ༻ UnsafeMutableBufferPointer • SE-0148 ᔟܕSubscript • SE-0149 ฤा૬ґ౟݅࣌ՄҎࠌུ൛ຊ • SE-0150 ౟݅؅ཧثՄҎબᎩBranch
7. SE-0147 ኑআUnsafeMutablePointer.initialize(from:)ɼ վ༻ UnsafeMutableBufferPointer • ҎલՄҎ೺ Array(Collection) ᫚੒ UnsafeMutablePointɻෆա༗ᖅࡏత෩ᯃɻ Collection త Count Ꮠ༗Մೳൺመࡍత߲໨গɼ။଄ ੒buffer overflowɻ • ৽తվ༻Sequence ҰݸҰݸ႔ཧɼ೗Ռ᧋ෆԼɼ။ ճၚᔒ༗੒ޭతୈҰݸ Iteratorɻ
8. SE-0148 ᔟܕSubscript • ݱࡏsubscript ᦒવՄҎଟࡌɼୠෆೳ༻ᔟܕɼ㑌࣍ ౎ཁॏሜ኷ຑ൥ɻ • ະိsubscript ՄҎࢧԉᔟܕɻॴҎՄҎ၏ࣗݾత Collection
9. SE-0149 ฤा૬ґ౟݅࣌ՄҎࠌ ུ൛ຊ • ։ᚙ౟݅త࣌ީɼՄҎࢦఆ࢖༻ຊػత૬ґ౟݅ɻ • ൺํ㘸 libHello ༗㠥Ұݸൣྫ౟݅ɼHelloWorldɻҎ લతྲྀఔੋ վlibHello -> ᚙ෍libHello -> վ HelloWorldɻ ୠੋ೗ՌࡏHelloWorld ཫ۰౸ libHello త໰୊ɼबඞਢॏ৽ᚙ䆋኷ෆํศɻະိՄҎࢦఆ HelloWorld ࡏ։ᚙ࣌࢖༻ຊػత libHelloɻ
10. SE-0150 ౟݅؅ཧثՄҎબᎩ Branch • ݱࡏత ౟݅؅ཧثੋ༻ git tag ိܾఆ൛ຊతɻ • ᔒ༗tag త౟݅बෆೳ᧋ɻ኷ෆํศ • ະိՄҎ༻ .Package(url: “url”, branch: “dev”) ိࢦఆ branch • ໵ՄҎ༻ .Package(url: “url”, revision: “1234567890123456789012345678901234567890”) ိࢦఆ commit • ။ᒾҰ revision ੋෆੋ40ݸࣈత hash
11. Community • ݱࡏ༗ෆᜦఆతํ๏ᩋC ࢖༻ Swift ఔࣜݿ
12. ᩋC ࢖༻ Swift ఔࣜݿ • https://lists.swift.org/pipermail/swift-users/Week-of- Mon-20170109/004384.html • @_cdecl(“bar_foo") public func foo(x: Int) -> Int { return x } • ࡏ C बՄҎݺڣ bar_foo • ׬શෆᜦఆɼᔒࣄෆཁ༻