由于您使用的是脚本文件,因此它不包含任何项目引用。
相反,您可以直接从脚本使用 nuget 引用!
#r "nuget: Akka.FSharp"
#r "nuget: Akka.TestKit"
另一个可能发生的警告是 F# 交互需要--langversion:preview
标记为能够使用 nuget 引用。环境"FSharp.fsiExtraParameters": ["--langversion:preview"]
在 VSCode 中settings.json
为我成功了。
我必须更改以使其编译的最后一点是替换system.Shutdown()
with system.Terminate()
因为Shutdown
方法已被弃用并删除。
以下是包含上述更改的完整列表:
// ActorSayHello.fsx
#time "on"
#r "nuget: Akka.FSharp"
#r "nuget: Akka.TestKit"
// #load "Bootstrap.fsx"
open System
open Akka.Actor
open Akka.Configuration
open Akka.FSharp
open Akka.TestKit
// #Using Actor
// Actors are one of Akka's concurrent models.
// An Actor is a like a thread instance with a mailbox.
// It can be created with system.ActorOf: use receive to get a message, and <! to send a message.
// This example is an EchoServer which can receive messages then print them.
let system = ActorSystem.Create("FSharp")
type EchoServer =
inherit Actor
override x.OnReceive message =
match message with
| :? string as msg -> printfn "Hello %s" msg
| _ -> failwith "unknown message"
let echoServer = system.ActorOf(Props(typedefof<EchoServer>, Array.empty))
echoServer <! "F#!"
system.Terminate()
结果在我的机器上看起来像这样:
Real: 00:00:00.000, ЦП: 00:00:00.000, GC gen0: 0, gen1: 0, gen2: 0
namespace FSI_0012.Project
Hello F#!
Real: 00:00:00.007, ЦП: 00:00:00.000, GC gen0: 1, gen1: 0, gen2: 0
val system : ActorSystem = akka://FSharp
type EchoServer =
class
inherit Actor
override OnReceive : message:obj -> unit
end
val echoServer : IActorRef = [akka://FSharp/user/$a#989929929]
val it : Threading.Tasks.Task