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Standard library for the Scala Programming Language

There is a newer version: 2.11.2

package scala

import scala.annotation.meta

object languageFeature {

  @meta.languageFeature("extension of type scala.Dynamic", enableRequired = true)
  sealed trait dynamics
  object dynamics extends dynamics

  @meta.languageFeature("postfix operator #", enableRequired = false)
  sealed trait postfixOps
  object postfixOps extends postfixOps

  @meta.languageFeature("reflective access of structural type member #", enableRequired = false)
  sealed trait reflectiveCalls
  object reflectiveCalls extends reflectiveCalls

  @meta.languageFeature("implicit conversion #", enableRequired = false)
  sealed trait implicitConversions
  object implicitConversions extends implicitConversions

  @meta.languageFeature("higher-kinded type", enableRequired = false)
  sealed trait higherKinds
  object higherKinds extends higherKinds

  @meta.languageFeature("#, which cannot be expressed by wildcards, ", enableRequired = false)
  sealed trait existentials
  object existentials extends existentials

  object experimental {
    @meta.languageFeature("macro definition", enableRequired = true)
    sealed trait macros
    object macros extends macros
  }
}