{"image_url":null,"provider_url":"https://hatena.blog","width":"100%","blog_title":"\u305c\u306e\u305c","title":"65\u65e5\u76ee ","published":"2021-08-17 22:34:23","categories":["Swift"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgiarrium.hatenablog.com%2Fentry%2F2021%2F08%2F17%2F223423\" title=\"65\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>","blog_url":"https://giarrium.hatenablog.com/","url":"https://giarrium.hatenablog.com/entry/2021/08/17/223423","author_url":"https://blog.hatena.ne.jp/gurrium/","type":"rich","height":"190","version":"1.0","provider_name":"Hatena Blog","description":"structured concurrency concurrent\u306b\u8d70\u308bTask\u304c\u69cb\u9020\u5316\u3055\u308c\u3066\u3044\u308b\u304b\u3089structured concurrency\u3068\u547c\u3076\u3089\u3057\u3044\uff0e import Foundation import _Concurrency struct Photo {} func downloadPhoto(named: String) async -> Photo { await Task.sleep(2 * 1_000_000_000) return Photo() } Task { // unstructured concurrency let handle = // structured\u2026","author_name":"gurrium"}