@implicitNotFound("Could not find an instance of Field1[${S},${A}], please check Monocle instance location policy to ".+("find out which import is necessary")) @deprecated("use Focus[$TupleType](_._1)", since = "3.0.0-M2") abstract class Field1[S, A] extends Serializable
Typeclass that defines a Lens from an S to its first element of type A
Typeclass that defines a Lens from an S to its first element of type A
- Type Params
- Companion
- object
- Deprecated
[Since version 3.0.0-M2]- Source
- Field1.scala
trait Serializable
class Object
trait Matchable
class Any