{"image_url":null,"blog_url":"https://giarrium.hatenablog.com/","version":"1.0","blog_title":"\u305c\u306e\u305c","author_url":"https://blog.hatena.ne.jp/gurrium/","provider_name":"Hatena Blog","author_name":"gurrium","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgiarrium.hatenablog.com%2Fentry%2F2022%2F04%2F30%2F213117\" title=\"315\u65e5\u76ee - \u305c\u306e\u305c\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2022-04-30 21:31:17","width":"100%","provider_url":"https://hatena.blog","url":"https://giarrium.hatenablog.com/entry/2022/04/30/213117","title":"315\u65e5\u76ee","description":"\u65e5\u8a18 \u5c02\u7528\u54c1\u306f\u6700\u9ad8 \u4eca\u65e5\u66f8\u3044\u305f\u30b3\u30fc\u30c9 func connectToSpeedSensor(uuid: UUID) -> ConnectingWithPeripheralFuture { // ... return .init { [weak self] promise in self?.speedSensorPromise = promise if let speedSensor = self?.connectedSpeedSensor { self?.centralManager.cancelPeripheralConnection(speedSensor) } self?.connecti\u2026","height":"190","categories":["Swift"],"type":"rich"}