初めてのターミナルプログラム

Transcript

1. ॳΊͯͷ

   λʔϛφϧϓϩάϥϜ
   forUSZ4XJGU5PLZP"GUFSUBMLT
   

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2. var employedBy = "YUMEMI Inc."
   var job = "iOS Developer"
   var favoriteLanguage = "Swift"
   var twitter = "@lovee"
   var qiita = "lovee"
   var github = "el-hoshino"
   var additionalInfo = """
   ΏΔΏΔΩϟϯϓ΋͘΋͘ձɺࢀՃऀืूத
   """
   class Me: Developable, Talkable {
   }
   

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3. ༷ʑͳλʔϛφϧϓϩάϥϜ
   ▸ QJOH
   ▸ CSFX
   ▸ HJU
   ▸ LVSJ
   ▸ IBOBLP
   ▸ FSVUBTP
   1kuri: https://github.com/bannzai/Kuri
   2hanako: https://github.com/el-hoshino/hanako
   3erutaso: https://github.com/sgymtic/sl
   

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4. ࣗ෼΋࡞Ζ͏
   

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5. ·ͣ͸ੈքʹ

   ѫࡰ͠Α͏
   

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6. 9DPEF

   ʷ

   4XJGU
   

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8. import Foundation
   print("Hello, World!")
   

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9. import Foundation
   print("Hello, World!")
   

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10. import Foundation
    print("Hello, World!")
    

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11. $ cd {path/to/project/dir}
    $ xcodebuild
    $ cp build/Release/{app_name} /usr/local/bin
    $ {app_name}
    hello, world!
    今回は簡単なプログラムなので

    Xcode 使わずに `swiftc` で

    ビルドしてもいいけど

    まあいいや
    

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12. Ͷɺ؆୯Ͱ
    ͠ΐʁ
    

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13. $ cd {path/to/project/dir}
    $ xcodebuild
    $ cp build/Release/{app_name} /usr/local/bin
    $ {app_name}
    hello, world! コマンド引数って

    どうやって取るんだろ
    

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14. import Foundation
    CommandLine.arguments: [String]
    

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16. import Foundation
    let candidates =
    Array(CommandLine.arguments.dropFirst())
    var outputs: [String] = []
    output: while let random = candidates.random {
    print(random)
    outputs.append(random)
    outputs.keepLast(candidates.count)
    if outputs == candidates {
    print(outputs.joined(separator: " ")
    .appending("!"))
    break output
    }
    }
    

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17. import Foundation
    extension Array {
    var random: Element? {
    guard self.isEmpty == false else { return nil }
    let randomIndex =
    arc4random_uniform(UInt32(self.count))
    return self[Int(randomIndex)]
    }
    mutating func keepLast(_ n: Int = 1) {
    guard self.count > n else { return }
    let removingElementsCount = self.count - n
    self.removeFirst(removingElementsCount)
    }
    }
    

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18. %&.0
    

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