在Scala中,代数数据类型被编码为sealed一级类型层次结构。例如: -- Haskell data Positioning a = Append | AppendIf (a -> Bool) | Expl...
我有两个错误: Error:(39, 20) Cannot find an implicit ExecutionContext. You might pass an (implicit ec: ExecutionContext) parameter to your method or imp...
我正在尝试对以下案例类进行编码/解码 case class Person(name: String, age: Int, childs: List[Person]) 使用以下代码: object Person { implicit def PersonCodecJson = ...
我正在使用Scala和Argonaut,尝试解析以下JSON: [ { "name": "apple", "type": "fruit", "size": 3 }, { "name": "jam", ...