Issue with default query parameters and custom unmarshalling
andrew...@bottlerocketstudios.com
I recently came across an issue when I had used `parameters(…)` with custom unmarshalling and a default value. I found that `parameters(“foo”.as[MyType] ?)` compiles, but the following did not: `parameters(“foo”.as[MyType] ? MyType.default)`. The compiler says that there are "too many parameters for method 'parameters(...' The only thing that seemed to compile was placing a string on the right side of the `?` instead of a concrete type. This took me about two hours to figure out because it was not apparent in the documentation: http://doc.akka.io/docs/akka/2.4/scala/http/routing-dsl/directives/parameter-directives/parameters.html
Note, knowing that `parameters(“foo” ? 0)` works for an Int, I tried the following to no avail, thinking that the type could be inferred correctly and unmarshalled: `parameters(“foo” ? MyType.default)`.
I would suggest an update to the referenced documentation to give an example for using a default value while using a custom unmarshaller. Any enlightenment on the reason for this, or if I am missing something, would be super helpful! Thanks!
andrew...@bottlerocketstudios.com
andrew...@bottlerocketstudios.com
Konrad Malawski
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andrew...@bottlerocketstudios.com
Konrad Malawski
--
>>>>>>>>>> Read the docs: http://akka.io/docs/
>>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/current/additional/faq.html
>>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user
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