Scala 3/API/scala.annotation.meta/companionClass

companionClass

final class companionClass extends StaticAnnotation

When defining an implicit class, the Scala compiler creates an implicit conversion method for it.

When defining an implicit class, the Scala compiler creates an implicit conversion method for it. Annotations @companionClass and @companionMethod control where an annotation on the implicit class will go. By default, annotations on an implicit class end up only on the class.

trait StaticAnnotation

class Annotation

class Object

trait Matchable

class Any