Basic tests with shapeless

ShapeLessSpec.scala

import org.scalatest._
import shapeless._

class ShapeLessSpec extends FlatSpec with ShouldMatchers {

  object Add1 extends Poly1 {
    implicit def caseInt = at[Int](x => x)
  }

  object Add2 extends Poly2 {
    implicit def caseInt = at[Int, Int](_+_)
  }

  type IntPair = Int :: Int :: HNil

  def sum(l: IntPair) = {
    import Add1._
    import Add2._
    l.reduceLeft(Add1)
  }

  "Une manche 0 + 0" should " doit avoir un score de 0" in {
    sum(0 :: 0 :: HNil) shouldEqual 0
  }

}