Interesting.
Which Scala version are you using?
I've copied your code into a Scala project I have that uses Scala 2.11.2
(with akka 2.3.6) and I get no warnings.
Also the IDE (Intellij) correctly shows that receive is of type
PartialFunction[Any,Unit].
Have you tried modifying it to:
def receive: Receive = { x orElse y }
?
I would assume that should cause type inference to be skipped and therefore
also make the warning go away, like in the previous answer.
On Tuesday, September 23, 2014 7:29:08 PM UTC+3, Tim Pigden wrote:
>
> The following example:
>
> class TestPF extends Actor {
>
> val x: Receive = {
> case "hi" => sender ! "hello"
> }
>
> val y: Receive = {
> case "bye" => sender ! "farewell"
> }
>
> def receive = { x orElse y }
>
> }
>
> gets a warning
> Warning:(18, 28) a type was inferred to be `Any`; this may indicate a
> programming error.
> def receive = { x orElse y }
> ^
>
> Am I doing something wrong? I thought this was the intended use pattern.
> Can I make these warnings go away?
>
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