Reports

Ok so after playing around I found a solution where I pass the proto marshaller/unmarshaller manually.

For example, when sending a request:

Marshal(ApiCall())
      .to[RequestEntity](PredefinedToEntityMarshallers.ByteArrayMarshaller.compose[ApiCall](r => r.toByteArray))
      .map({ entity =>

      })

And when receiving a response:

Unmarshal(entity)
      .to[ApiResponse](Unmarshaller.byteArrayUnmarshaller.map[ApiResponse](bytes => ApiResponse.parseFrom(bytes)))
      .map { apiResponse =>
          
      }

But what I'm confused about is how in my ServerRoute class, I just use with ProtobufMarshalling[ApiCall, ApiResponse] and scala picks up on the marshallers inside the trait. Here, I have had to explicitly pass the marshalling function inside to[<type>](<marshaller/unmarshaller>).

Could someone explain this please?

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