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public static void Main() { List<int>? numbers = null; int? a = null; Console.WriteLine((numbers is null)); //true // 如果numbers为空,则初始化numbers,同时添加一个5到 阅读全文
posted @ 2024-08-23 16:33
echo-efun
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摘要:
public static async Task Main() { Task<int> downloading = TaskAsync(); Console.WriteLine($"{nameof(Main)}: A"); int bytesLoaded = await downloading; C 阅读全文
posted @ 2024-08-23 16:06
echo-efun
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