[英]TcpClient.ConnectAsync or BeginConnect/EndConnect in F# async workflow
TcpClient.ConnectAsync is a Task, which doesn't work readily with F# async workflows. TcpClient.ConnectAsync是一个任务,它不适用于F#异步工作流。
I think I'm missing something really simple here -- is there a general way to use either the Async or Begin/End functions from workflows? 我想我在这里遗漏了一些非常简单的东西 - 是否有一种通用方法可以使用工作流中的Async或Begin / End函数?
Take a look at Async.AwaitTask
and Async.FromBeginEnd
. 看一下Async.AwaitTask
和Async.FromBeginEnd
。
Generally this will work: 通常这将工作:
async {
...
do! client.ConnectAsync(address, port) |> Async.AwaitTask
}
However, because the Async
module only works directly with Task<'T>
and ConnectAsync
returns Task
, the code required in this particular case is slightly longer: 但是,因为Async
模块只能直接使用Task<'T>
并且ConnectAsync
返回Task
,所以此特定情况下所需的代码稍长:
do! client.ConnectAsync(address, port) |> Async.AwaitIAsyncResult |> Async.Ignore
or 要么
let! _ = client.ConnectAsync(address, port) |> Async.AwaitIAsyncResult
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