221217 SwiftはPythonに貌ている
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SwiftはPythonに貌ている 2022定12埖17晩 廉云弯匆 @nishimotz / @24motz Shuaruta Inc. ﾚuITエンジニア栽揖梨定氏2022
![9
swift run
% swift run
Building for debugging...
[3/3] Linking hello
Build complete! (0.96s)
Hello, World!
% file ./.build/x86_64-apple-macosx/debug/hello
./.build/x86_64-apple-macosx/debug/hello: Mach-O 64-bit executable x86_64](https://image.slidesharecdn.com/221217-hiroshima-221218074137-cbe14980/85/221217-Swift-Python-9-320.jpg)
![10
Swift は Python に貌ている┐海箸發△襭。
# Python
for animal in ["cat", "dog", "snake"]:
print(animal)
// Swift
for animal in ["cat", "dog", "snake"] {
print(animal)
}](https://image.slidesharecdn.com/221217-hiroshima-221218074137-cbe14980/85/221217-Swift-Python-10-320.jpg)
![13
let と var
// JavaScript の蛍護旗秘
let [dog, cat] = [＾dog￣, ＾cat￣] // 篳┘屮蹈奪スコ`プ
var [dog, cat] = [＾dog￣, ＾cat￣] // 篳┘哀踪`バル
// 協方は const
// Swift
let は協方
var は篳](https://image.slidesharecdn.com/221217-hiroshima-221218074137-cbe14980/85/221217-Swift-Python-13-320.jpg)
![19
挑硫クロ`ジャ`
// Swift
var names = ["cat", "snake￣, "dog"]
names.sorted { $0.count < $1.count }
# Ruby
names = ["cat", "snake￣, "dog"]
names.sort { _1.length <=> _2.length } # since Ruby 2.7
# => ["cat", "dog", "snake"]](https://image.slidesharecdn.com/221217-hiroshima-221218074137-cbe14980/85/221217-Swift-Python-19-320.jpg)
221217 SwiftはPythonに貌ている
- 1. SwiftはPythonに貌ている 2022-12-17 廉云 弯匆 @nishimotz / @24motz Shuaruta Inc. 1
- 2. 2 6/25 オ`プンセミナ`2022@ﾚu ? Re: エンジニアのための由柴?デ`タ蛍裂秘壇
- 3. 3 Swift Charts: Raise the bar ? アクセシブルなデ`タ辛晒
- 4. 4 SwiftUI のために Swift を僥ぶ
- 5. 5 Python の縮可を Swift に卞峅できるか
- 6. 6 swift repl
- 7. 7 swift package init % mkdir hello % cd hello % swift package init --name hello --type executable Creating library package: hello Creating Package.swift Creating README.md Creating .gitignore Creating Sources/ Creating Sources/hello/hello.swift Creating Tests/ Creating Tests/helloTests/ Creating Tests/helloTests/helloTests.swift
- 8. 8 Sources/hello/hello.swift @main public struct hello { public private(set) var text = "Hello, World!" public static func main() { print(hello().text) } }
- 9. 9 swift run % swift run Building for debugging... [3/3] Linking hello Build complete! (0.96s) Hello, World! % file ./.build/x86_64-apple-macosx/debug/hello ./.build/x86_64-apple-macosx/debug/hello: Mach-O 64-bit executable x86_64
- 10. 10 Swift は Python に貌ている┐海箸發△襭。 # Python for animal in ["cat", "dog", "snake"]: print(animal) // Swift for animal in ["cat", "dog", "snake"] { print(animal) }
- 12. 12 タプルの旗秘 # Python dog, cat = ("dog", "cat") print(dog, cat) // Swift var (dog, cat) = ("dog", "cat") print(dog, cat)
- 13. 13 let と var // JavaScript の蛍護旗秘 let [dog, cat] = [＾dog￣, ＾cat￣] // 篳┘屮蹈奪スコ`プ var [dog, cat] = [＾dog￣, ＾cat￣] // 篳┘哀踪`バル // 協方は const // Swift let は協方 var は篳
- 14. 14 Swiftのタプルはシ`ケンスではない var animals = ("dog", "cat") print(animals) print(animals.0) print(animals.1) // for animal in animals { // print(animal) // } // エラ`になる
- 15. 15 Pythonの屎ｱ蹶F import re s = "My name is Taylor and I'm 26 years old." m = re.search("My name is (.+?) and I'm (d+) years old.", s) if m: print(f"Name:{m.group(1)}") print(f"Age:{m.group(2)}")
- 16. 16 Swiftの屎ｱ蹶F let s = "My name is Taylor and I'm 26 years old." let m = /My name is (.+?) and I'm (d+) years old./ if let g = try? m.wholeMatch(in: s) { print("Name: (g.1)") print("Age: (g.2)") } // since Swift 5.7
- 18. 18 The craft of SwiftUI API design: Progressive disclosure struct ContentView: View { @State private var didSave = false var body: some View { Button(＾Hello") { didSave = true } .alert("Saved.", isPresented: $didSave) { Button("OK") { print("OK is pressed") } } } }
- 19. 19 挑硫クロ`ジャ` // Swift var names = ["cat", "snake￣, "dog"] names.sorted { $0.count < $1.count } # Ruby names = ["cat", "snake￣, "dog"] names.sort { _1.length <=> _2.length } # since Ruby 2.7 # => ["cat", "dog", "snake"]
- 21. 21 12/28 すごいﾚu .rb with Python