Swift Concurrencyの 尻尾を掴め ～ 並行処理を受け入れる取っ掛かり

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23. Swift Concurrencyͷ؆ܿͳهड़ʹ(࠷ॳ͸)جͮ͘ɻiOS15 SDKͰಋೖ͞ΕͨURLSessionͷSwift Concurrency޲͚ͷϢʔςΟϦςΟϝιουΛ༻͍Δɻ let (data, response) = await URLSession.shared.data(for: ϦΫΤετ)
24. Swift Concurrencyͷ؆ܿͳهड़ʹ(࠷ॳ͸)جͮ͘ɻiOS15 SDKͰಋೖ͞ΕͨURLSessionͷSwift Concurrency޲͚ͷϢʔςΟϦςΟϝιουΛ༻͍Δɻ let (data, response) = await URLSession.shared.data(for: ϦΫΤετ) ͨͩ͠ɺECMAScriptͱ͸ҟͳΓɻtry/throw ػߏ͕ߟྀ͞Ε͍ͯΔඞཁ͕͋Δɻ let (data, response) = try await URLSession.shared.data(for: ϦΫΤετ)
25. Swift Concurrencyͷ؆ܿͳهड़ʹ(࠷ॳ͸)جͮ͘ɻiOS15 SDKͰಋೖ͞ΕͨURLSessionͷSwift Concurrency޲͚ͷϢʔςΟϦςΟϝιουΛ༻͍Δɻ let (data, response) = await URLSession.shared.data(for: ϦΫΤετ) ͨͩ͠ɺECMAScriptͱ͸ҟͳΓɻtry/throw ػߏ͕ߟྀ͞Ε͍ͯΔඞཁ͕͋Δɻ let (data, response) = try await URLSession.shared.data(for: ϦΫΤετ) ͨͩ͠ɺTaskͰғΉ(΋͘͠͸TaskΛ಺แͨ͠ϝιουex: SwiftUI ͷtask) Λ௥Ճ͢Δඞཁ͕͋Δɻ Task { let (data, response) = try await URLSession.shared.data(for: ϦΫΤετ) }
26. struct RandomFox: Equatable, Codable { let image: String; let link: String} Task { let url = URL(string: "https://randomfox.ca/floof/")! let request = URLRequest(url: URL(string: "https://randomfox.ca/ floof")!, cachePolicy: .reloadIgnoringLocalCacheData) do { let (data, response) = try await URLSession.shared.data(for: request) _ = response as! HTTPURLResponse let randomFox = try JSONDecoder().decode(RandomFox.self, from: data) } catch error { print("error=\(error.localizedDescription)") } }
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