如何使用scala喷雾分离器？

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问题描述

我正在尝试使用喷雾分离器，如下所示：

i'm trying to use spray detach as following:

path("") {
  get {
    detach {
      respondWithMediaType(`text/html`) { // XML is marshalled to `text/xml` by default, so we simply override here
        complete {
          <html>
            <body>
              <h1>Say hello to <i>spray-routing</i> on <i>Jetty</i>!</h1>
            </body>
          </html>
        }

      }
    }
  }
}

，但出现以下编译错误：

but i get following compilation error:

我查看了：，我仍然不知道我在做什么错...

I looked at: https://github.com/spray/spray/wiki/Detach and I still have no idea what i'm doing wrong...

推荐答案

不推荐使用的文档。如果要阅读当前文档，则必须查看网站。

You are looking at a deprecated documentation. If you to want to read the current documentation you have to look at the spray.io website.

关于您的问题，当前文档为 detach 指令指定了不同的签名-

Regarding your problem, the current documentation specifies a different signature for the detach directive - see here

def detach()(implicit ec: ExecutionContext): Directive0
def detach()(implicit refFactory: ActorRefFactory): Directive0
def detach(ec: ExecutionContext): Directive0

当我隐式传递ExecutionContext时，您必须写上括号：

As you are passing your ExecutionContext implicitly I guess, you have to write the parenthesis:

detach() {
  respondWithMediaType(`text/html`) { // XML is marshalled to `text/xml` by default, so we simply override here
    complete { ...

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Spray