Trait/Object

shapeless.LowPriority

Ignoring

Related Docs: object Ignoring | package LowPriority

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sealed trait Ignoring[T] extends Serializable

Allows LowPriority to ignore some implicits.

Added to an implicit def like

implicit def genericThing[F, G]
 (implicit
   ev: LowPriority.Ignoring[Witness.`"anyThing"`.T],
   gen: Generic.Aux[F, G],
   underlying: Thing[G]
 ): Thing[F] = ???

it prevents genericThing to provide an instance of Thing[F] if an implicit one is already available elsewhere EXCEPT if it is provided by a method called anyThing. In this case, it lets genericThing provide a Thing[F] too, effectively taking precedence over the instances provided by anyThing.

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Serializable, Serializable, AnyRef, Any
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Value Members

  1. final def !=(arg0: Any): Boolean

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    AnyRef → Any

  2. final def ##(): Int

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    AnyRef → Any

  3. final def ==(arg0: Any): Boolean

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    AnyRef → Any

  4. final def asInstanceOf[T0]: T0

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    Any

  5. def clone(): AnyRef

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    protected[java.lang]
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    AnyRef
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    @throws( ... )

  6. final def eq(arg0: AnyRef): Boolean

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    AnyRef

  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )

  9. final def getClass(): Class[_]

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  10. def hashCode(): Int

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  11. final def isInstanceOf[T0]: Boolean

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    Any

  12. final def ne(arg0: AnyRef): Boolean

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    AnyRef

  13. final def notify(): Unit

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    AnyRef

  14. final def notifyAll(): Unit

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  15. final def synchronized[T0](arg0: ⇒ T0): T0

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  16. def toString(): String

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  17. final def wait(): Unit

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    @throws( ... )

  18. final def wait(arg0: Long, arg1: Int): Unit

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  19. final def wait(arg0: Long): Unit

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Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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