object semiauto
Semi-automatic codec derivation.
This object provides helpers for creating io.circe.Decoder and io.circe.ObjectEncoder instances for case classes, "incomplete" case classes, sealed trait hierarchies, etc.
Typical usage will look like the following:
import io.circe._, io.circe.generic.semiauto._ case class Foo(i: Int, p: (String, Double)) object Foo { implicit val decodeFoo: Decoder[Foo] = deriveDecoder[Foo] implicit val encodeFoo: Encoder.AsObject[Foo] = deriveEncoder[Foo] }
- Source
- semiauto.scala
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- final class DerivationHelper[A] extends AnyRef
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- final def deriveDecoder[A](implicit decode: Lazy[DerivedDecoder[A]]): Decoder[A]
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