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tree)
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import scala.reflect.macros.whitebox.Context
import language.experimental.macros
object Extractor {
def unapply(x: Any): Any = macro unapplyImpl
def unapplyImpl(c: Context)(x: c.Tree) = {
import c.universe._
import internal._
q"""
new {
def isEmpty = false
def get = ${subpatterns(x).toString}
def unapply(x: Any) = this
}.unapply($x)
"""
}
}
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