次世代の非同期処理はこうやって使い分ける！

Swiftを使っているみなさんなら非同期処理というとGCDやRxSwift、そしてSwift5で実現されるかもしれないasync/awaitを想像するかと思います。
async/awaitが現実に近づいてきた今どの方法で非同期処理を実装するべきか、Rxのstreamが欲しいケース、Promiseが欲しいケース、私の考えるそれぞれの使用シーンを説明します。

Transcript

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4. 3FBDUJWF&YUFOTJPOT͸Կ͕͍͍ͷ͔
   What is ReactiveExtensions good for …
   

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5. 5
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6. 6
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7. 7
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9. 9
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11. 11
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12. 12
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13. 13
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    ετϦʔϜͱͯ͠ѻ͍΍͔ͬͨ͢ɻ
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15. ͳͥ๻Β͸BTZODBXBJUΛཉ͕͠Δͷ͔
    Why do we want “async/await”?
    

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16. 16
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    ετϦʔϜͱͯ͠ѻ͍΍͔ͬͨ͢ɻ
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17. 17
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18. 18
    func fetchAdminUser(uid: String) {
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19. 19
    func fetchAdminUser(uid: String) async {
    let entities = await self.loginGateway.fetchAdminUser(uid: uid)
    }
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20. 20
    func fetchAdminUser(uid: String) async {
    let entities = await self.loginGateway.fetchAdminUser(uid: uid)
    }
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21. 21
    func fetchAdminUser(uid: String) async {
    let entities = await self.loginGateway.fetchAdminUser(uid: uid)
    }
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22. 22
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23. 23
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24. 24
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25. 25
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26. 1SPNJTFͳͷ͔4USFBNͳͷ͔
    Do you want “Promise” or “Stream”?
    

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27. 27
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28. 28
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29. 29
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30. 30
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31. ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
    

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