public static async Task RefStructAsync(/*ref*/ MySs ss) //Async methods cannot have ref or out parameters
{
Console.WriteLine($"befor async - {nameof(ss._xx)}={ss._xx}, {nameof(ss._yy)}={ss._yy}");
await Task.Delay(20_000);
Console.WriteLine($"after async - {nameof(ss._xx)}={ss._xx}, {nameof(ss._yy)}={ss._yy}");
}
public static void Case0()
{
MySs ss = new MySs
{
_xx = 100,
_yy = 100,
};
RefStruct(ref ss);
}
public static async Task Case1Async()
{
int _10sec = 10_000;
MySs myss = new MySs();
await Task.Delay(_10sec);
RefStruct(ref myss);
await Task.Delay(_10sec);
RefStruct(ref myss);
await Task.Delay(_10sec);
}
public static void RefStruct(ref MySs ss)
{
Console.WriteLine($"befor async - {nameof(ss._xx)}={ss._xx}, {nameof(ss._yy)}={ss._yy}");
Task.Delay(20_000).Wait();
Console.WriteLine($"after async - {nameof(ss._xx)}={ss._xx}, {nameof(ss._yy)}={ss._yy}");
}