Игорь Фесенко "What’s New in C# 7.0"
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In this talk I will cover the new features of C# 7. I will discuss not only what these are, but also how would you use them in the real-world programming, and show how do they work “behind the scenes”. The new syntax enables new paradigms and after session, you will know how to use it responsibly.
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Editor's Notes
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- using System.Threading;using System.Threading.Tasks;using static System.Console;namespace AsyncReturnTypes{ class Program { private static bool _cache; private static int _cacheResult; static void Main() { WriteLine($"Main Thread Id: {Thread.CurrentThread.ManagedThreadId}"); var result = AsyncCall().Result; WriteLine(result); WriteLine("-----------"); WriteLine("2nd attempt"); result = AsyncCall().Result; WriteLine(result); } private static ValueTask<int> AsyncCall() { WriteLine($"AsyncCall Thread Id: {Thread.CurrentThread.ManagedThreadId}"); return _cache ? new ValueTask<int>(_cacheResult) : new ValueTask<int>(LoadCache()); } private static async Task<int> LoadCache() { WriteLine($"LoadCache. Cache miss. Thread Id: {Thread.CurrentThread.ManagedThreadId}"); await Task.Delay(100); _cache = true; _cacheResult = 5; return _cacheResult; } }}
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