I'm using Scala & Argonaut, trying to parse the following JSON: [ { "name": "apple", "type": "fruit", "size": 3 }, { "name": "jam", "type": "condiment", "size": 5 }, { "name": "bee...

I need to create an updated instance from a case class instance (with any needed DecodeJsons implicitly derived), given an incomplete json (some fields missing). How can this be accomplished with A...

I have this two erros: Error:(39, 20) Cannot find an implicit ExecutionContext. You might pass an (implicit ec: ExecutionContext) parameter to your method or import scala.concurrent.ExecutionConte...

In the Argonaut DecodeJson trait there is a method ||| for chaining together decoders, so that the first succeeding decoder is chosen. There is also a similar method in DecodeResult which has the s...

In Scala, algebraic data types are encoded as sealed one-level type hierarchies. Example: -- Haskell data Positioning a = Append | AppendIf (a -> Bool) | Explicit ([a] -> [a]) // Scala ...

I'm trying to encode/decode following case class case class Person(name: String, age: Int, childs: List[Person]) using the following code: object Person { implicit def PersonCodecJson = case...