final class infer extends Annotation with MetadataParamStrategy

When a metadata parameter is annotated as @infer, RPC macro engine will materialize that parameter by searching for an implicit value of that parameter's type. @infer is the default strategy assumed for implicit parameters of metadata classes, so using this annotation explicitly is only needed when you want an implicit search done for non-implicit parameter. This may be useful if, e.g. you want an inferred parameter to be a case class field.

NOTE: By default, implicit search for @infer parameter does NOT affect the decision about whether some real method or real parameter matches a metadata parameter. For example, if an implicit for @infer parameter cannot be found, you will only know about it *after* the metadata materializing macro has already been expanded. This behaviour can be changed with checked annotation.

The @infer annotation may also be used on a parameter of an annotation reified with reifyAnnot in order to simulate implicit parameter. This is a workaround for the fact that Scala annotations cannot accept multiple parameter lists. In such situation, infer.value should be used as default value of "implicit" annotation parameter:

class valueWithCodec[T](value: T, @infer codec: GenCodec[T] = infer.value)
  extends scala.annotation.StaticAnnotation
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Instance Constructors

  1. new infer(clue: String = "")

Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. final def asInstanceOf[T0]: T0
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  5. def clone(): AnyRef
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  6. val clue: String
  7. final def eq(arg0: AnyRef): Boolean
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  8. def equals(arg0: Any): Boolean
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  9. def finalize(): Unit
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    @throws( classOf[java.lang.Throwable] )
  10. final def getClass(): Class[_]
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    @native()
  11. def hashCode(): Int
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    @native()
  12. final def isInstanceOf[T0]: Boolean
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  13. final def ne(arg0: AnyRef): Boolean
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  14. final def notify(): Unit
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    @native()
  15. final def notifyAll(): Unit
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    @native()
  16. final def synchronized[T0](arg0: ⇒ T0): T0
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  17. def toString(): String
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  18. final def wait(): Unit
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    @throws( ... )
  19. final def wait(arg0: Long, arg1: Int): Unit
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    @throws( ... )
  20. final def wait(arg0: Long): Unit
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    @native() @throws( ... )

Inherited from MetadataParamStrategy

Inherited from StaticAnnotation

Inherited from Annotation

Inherited from AnyRef

Inherited from Any

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