Scala example source code file (PostErasure.scala)

This example Scala source code file (PostErasure.scala) is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Scala source code examples by using tags.

All credit for the original source code belongs to scala-lang.org; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Scala tags/keywords

constanttype, erasedvaluetype, posterasure, reflection, symbol, symboltable, type, typemap

The PostErasure.scala Scala example source code

package scala.reflect
package internal
package transform

trait PostErasure {
  val global: SymbolTable
  import global._
  import definitions._

  object elimErasedValueType extends TypeMap {
    def apply(tp: Type) = tp match {
      case ConstantType(Constant(tp: Type)) => ConstantType(Constant(apply(tp)))
      case ErasedValueType(_, underlying)   => underlying
      case _                                => mapOver(tp)
    }
  }

  def transformInfo(sym: Symbol, tp: Type) = elimErasedValueType(tp)
}