[英]How do I create an observable function in F#, based on an existing C# snippet?
I am trying to convert the following code to F#: 我正在尝试将以下代码转换为F#:
static void Main(string[] args)
{
var y = Observable.Create<int>(x =>
{
x.OnNext(5);
return (() => { });
});
y.Subscribe(x => Console.WriteLine(x));
}
tried the following : 尝试了以下方法:
let ob = Observable.Create<int>(fun x ->
x.OnNext(5)
fun unit -> unit)
but no success. 但没有成功。 What should I be doing?
我该怎么办?
let observable = Observable.Create(fun (x: IObserver<_>) ->
x.OnNext(5)
Action(ignore))
observable.Subscribe(printfn "%d") |> ignore
If your Observable cannot be cancelled (usually when it is synchronous) , it's more efficient to use the singleton Disposable.Empty
如果您的Observable无法取消(通常是在同步时),则使用单例
Disposable.Empty
效率更高。
Observable.Create(fun (o : IObserver<_>) ->
o.OnNext(5)
Disposable.Empty
)
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