34 lines
573 B
C#
34 lines
573 B
C#
using System;
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using System.Threading.Tasks;
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class MainClass
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{
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public static int Main ()
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{
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var t = GetSomeStrings (null);
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try {
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var s = t.Result;
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return 1;
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} catch (AggregateException e) {
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if (e.InnerException is NullReferenceException)
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return 0;
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return 2;
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}
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}
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public static async Task<string> GetSomeStrings (AsyncStringFactory myFactory)
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{
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var res = await myFactory?.GetSomeStringAsync ();
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return res;
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}
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}
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public class AsyncStringFactory
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{
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public async Task<string> GetSomeStringAsync ()
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{
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await Task.Yield();
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return "foo";
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}
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} |