F#异步lambda与C#异步模型的互操作
c#
f#
我有这么一段代码(C#、Pulumi),我想把它翻译成 F#:
var registryInfo = repo.RegistryId.Apply(async (id) =>
{
var creds = await GetCredentials.InvokeAsync(new GetCredentialsArgs {RegistryId = id});
var decodedData = Convert.FromBase64String(creds.AuthorizationToken);
var decoded = ASCIIEncoding.ASCII.GetString(decodedData);
var parts = decoded.Split(':');
return new ImageRegistry
{
Server = creds.ProxyEndpoint,
Username = parts[0],
Password = parts[1],
};
});
到目前为止我设法做的是:
let registryInfo = repo.RegistryId.Apply (fun id -> async {
let! creds = GetCredentialsArgs ( RegistryId = id) |> GetCredentials.InvokeAsync |> Async.AwaitTask
let decodedData = Convert.FromBase64String creds.AuthorizationToken
let decoded = ASCIIEncoding.ASCII.GetString decodedData
let parts = decoded.Split ':'
return ImageRegistry( Server = input creds.ProxyEndpoint, Username= input parts.[0], Password = input parts.[1])
}
)
问题是上面的 F# 代码返回的是Output<Async<ImageRegistry>>,而 C# 代码返回的是 expected Output<ImageRegistry>。我正在从 C# 过渡到 F#(以扩展我的技能),但我自己无法处理这种情况。这应该如何正确完成?
回答
该库为此Pulumi.FSharp提供了一个有用的帮助Outputs.applyAsync程序:
open Pulumi.FSharp
let registryInfo =
repo.RegistryId |>
Outputs.applyAsync (fun id -> async {
let! creds = GetCredentialsArgs ( RegistryId = id) |> GetCredentials.InvokeAsync |> Async.AwaitTask
let decodedData = Convert.FromBase64String creds.AuthorizationToken
let decoded = ASCIIEncoding.ASCII.GetString decodedData
let parts = decoded.Split ':'
return ImageRegistry( Server = input creds.ProxyEndpoint, Username= input parts.[0], Password = input parts.[1])
})