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import scala.reflect.macros.BlackboxContext
import language.experimental.macros
object Extractor {
def unapply(x: Int) = macro Macros.unapplyImpl
}
object Macros {
def unapplyImpl(c: BlackboxContext)(x: c.Tree) = {
import c.universe._
q"""
new {
class Match(x: Int) {
def isEmpty = false
def get = x
}
def unapply(x: Int) = new Match(x)
}.unapply($x)
"""
}
}
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