That's a Scala limitation - it's not possible to introduce two separate
implicit values in one line AFAIK.
When you say `implicit ...` it makes that one value implicit (the tuple), not
both of these - it has no way of looking inside the tuple basically.
Devs on scala-internals may have more say on this topic, but I don't recall
this to be worked on.
--
Cheers,
Konrad 'ktoso’ Malawski
Akka @ Typesafe
On 30 May 2015 at 09:16:10, Giovanni Alberto Caporaletti (paradi...@gmail.com)
wrote:
Thanks Konrad,
I already have a lot of custom directives, but what I was wondering is if
there's a way to make them both implicit.
Maybe this is a more general scala question, like: how can I make all the
parameters of a lambda implicit, because "{ implicit x=> ... }" works while "{
implicit (x,y) => ...}" doesn't .
Cheers
G
On Friday, 29 May 2015 19:07:08 UTC+2, Konrad Malawski wrote:
Hi Giovanni,
Firstly, sorry we don't have docs on this yet, but they are coming soon! (
check this with a higher version number soon
http://doc.akka.io/docs/akka-stream-and-http-experimental/1.0-M2/scala/http/custom-directives.html
)
Both these directives are implemented in terms of the extract directrive,
by digging a bit through the sources you'll notice the patterns :-)
Something among the lines:
def extractBoth: Directive[(ExecutionContext, FlowMaterializer)] =
textract(rc => (rc.executionContext, rc.flowMaterializer))
extractBoth { (ec, mat) =>
// ec.execute()
// mat.materialize()
}
Should do the trick.
Happy hakking!
On Mon, May 18, 2015 at 8:10 PM, Giovanni Alberto Caporaletti
<para...@gmail.com> wrote:
Hi everyone,
I often need to have both the materializer and the execution context in scope
in my routes.
Is there a more compact way of doing this?
extractFlowMaterializer { implicit mat =>
extractExecutionContext { implicit ec =>
or
extractFlowMaterializer { implicit mat =>
implicit val ec = mat.executionContext
I tried something like (extractFlowMaterializer & extractExecutionContext) {
implicit (mat, val) => ... but it doesn't work
thanks
G
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Cheers,
Konrad 'ktoso' Malawski
Akka @ Typesafe
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