摘要: 示范代码 ` func testScenarioA2() throws { var store: Int = 100 DispatchQueue.concurrentPerform(iterations: 1_000_000) { _ in store.negate() _ = store } } 阅读全文
posted @ 2021-04-08 21:13 兜兜有糖的博客 阅读(95) 评论(0) 推荐(0) 编辑