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author | Samuel Gruetter <samuel.gruetter@epfl.ch> | 2014-03-12 22:44:33 +0100 |
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committer | Samuel Gruetter <samuel.gruetter@epfl.ch> | 2014-03-12 22:44:33 +0100 |
commit | 9ef5f6817688f814a3450126aa7383b0928e80a0 (patch) | |
tree | 5727a2f7f7fd665cefdb312af2785c692f04377c /tests/untried/pos/t7190.scala | |
parent | 194be919664447631ba55446eb4874979c908d27 (diff) | |
download | dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.tar.gz dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.tar.bz2 dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.zip |
add tests from scala/test/files/{pos,neg}
with explicit Unit return type
Diffstat (limited to 'tests/untried/pos/t7190.scala')
-rw-r--r-- | tests/untried/pos/t7190.scala | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/untried/pos/t7190.scala b/tests/untried/pos/t7190.scala new file mode 100644 index 000000000..449e5c83f --- /dev/null +++ b/tests/untried/pos/t7190.scala @@ -0,0 +1,26 @@ +import scala.language.experimental.macros +import scala.reflect.macros._ + +trait A[T] { + def min[U >: T](implicit ord: Numeric[U]): T = macro A.min[T, U] +} + +object A { + def min[T: c.WeakTypeTag, U >: T: c.WeakTypeTag](c: Context)(ord: c.Expr[Numeric[U]]): c.Expr[T] = { + c.universe.reify { + ord.splice.zero.asInstanceOf[T] + } + } +} + +class B extends A[Int] { + override def min[U >: Int](implicit ord: Numeric[U]): Int = macro B.min[U] +} + +object B { + def min[U >: Int: c.WeakTypeTag](c: Context)(ord: c.Expr[Numeric[U]]): c.Expr[Int] = { + c.universe.reify { + ord.splice.zero.asInstanceOf[Int] + } + } +} |