http://www.dedeyun.com/it/csharp/98817.html WebDec 3, 2024 · static async Task Main (string [] args) { var result = MyAsyncMethodWithResult (); var newResult = result + 10;//Error because result is actually an integer. } static async Task MyAsyncMethodWithResult () { await Task.Yield (); return 0; } This code will actually blow up.
async/await 在 C# 语言中是如何工作的？（中） - 搜狐
Webyield break可以停止迭代，相当于正常代码块的 return 语句（迭代器中直接使用 return 是非法的） 包含yield语句的方法或属性是迭代器。迭代器必须满足以下要求： 返回类型必 … WebMar 22, 2024 · static async IAsyncEnumerable GenerateAsync() { for (int i = 0; i < 10; i++) { yield return i; await Task.Delay(TimeSpan.FromSeconds(1)); } } static async Task DisplayAsync() { await foreach (var i in GenerateAsync()) { Console.WriteLine($"NumberAsync: {i}"); } } 参考 非同期ストリーム C#におけるyieldの … in6ed27t94c438636
What is yield and how does it work in C#? - PVS-Studio
WebApr 11, 2024 · As a rule of thumb you should return the task directly without awaiting where you can. I.e. in cases where you call a single method that returns a task and do not do any processing of the result. But this is mostly for code style reasons, i.e. avoiding unnecessary keywords that might confuse a reader. So example 2 would be preferred. Ofc. Webvar nameList = new List(); foreach (user in users) {nameList.Add(user.Name);} return nameList; With a LINQ query, you can extremely shorten the required code to … WebAug 13, 2024 · Он возвращает IEnumerator и имеет необычный return с припиской yield. yield return это составляющая IEnumerator, эта связка преобразуется, при компиляции, в машину состояний, которая сохраняет позицию в коде, ждет команды MoveNext от IEnumerator и ... in6620-iac