Tomas,

Thanks for the response.

So I get how to do a basic custom directive.  Where I'm having difficulty 
is if I try to reference another directive within my custom directive.

Here's what I'm trying to do:

https://gist.github.com/tdrozdowski/5efce0c186f2ae5ea194

Here's the compile error I receive:

Error:(74, 22) type mismatch;
 found   : akka.http.scaladsl.server.Directive1[java.net.InetAddress]
    (which expands to) 
 akka.http.scaladsl.server.Directive[(java.net.InetAddress,)]
 required: akka.http.scaladsl.server.StandardRoute
              provide(address)
                     ^

To me it appears that the reject properly resolves as a Directive.  But I'm 
not ready to complete the route here - this requires an inner route to do 
something with the provided address.

I think perhaps I'm missing something in regards to how Directives compose. 
 I've been reviewing all the existing routes, and it looks like this should 
work - but its not.

-t

On Wednesday, August 26, 2015 at 7:24:01 AM UTC-7, Tomasz Kogut wrote:
>
> A directive is basically a function:
>
> type Route = RequestContext ⇒ Future[RouteResult]
>
>
> val route: Route = { (ctx: RequestContext) => 
>   ctx.complete("yeah")
> }
>
>
> so just see what you have available in the `ctx` object. You can call 
> ctx.reject when you don't want to pass it further.
>
>
> If your directive needs to take parameters just change val to def and add 
> whatever you need.
>
>
> Best way to learn different neat things is to look at already created 
> directives.
>
>

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