【C#】流式计算 - 错误处理

【C#】流式计算 - 错误处理

var transformBlock = new TransformBlock<int, int>(n =>
{
	if (n == 3) throw new Exception($"Error ...{n}");
	
	return n * 2;
});

var actionBlock = new ActionBlock<int>(n => {
	Console.WriteLine(n);
});

transformBlock.LinkTo(actionBlock, new DataflowLinkOptions { PropagateCompletion = true });

for (int i = 0; i < 5; i++)
{
	transformBlock.Post(i);
}
transformBlock.Complete();

actionBlock.Completion.ContinueWith(t =>
{
	if (t.IsFaulted)
		Console.WriteLine("Error: " + t.Exception.Message);
});