diff options
Diffstat (limited to 'tests/untried/neg-with-implicits/t5903c')
-rw-r--r-- | tests/untried/neg-with-implicits/t5903c/Macros_1.scala | 26 | ||||
-rw-r--r-- | tests/untried/neg-with-implicits/t5903c/Test_2.scala | 6 |
2 files changed, 32 insertions, 0 deletions
diff --git a/tests/untried/neg-with-implicits/t5903c/Macros_1.scala b/tests/untried/neg-with-implicits/t5903c/Macros_1.scala new file mode 100644 index 000000000..4792f0045 --- /dev/null +++ b/tests/untried/neg-with-implicits/t5903c/Macros_1.scala @@ -0,0 +1,26 @@ +import scala.reflect.macros.blackbox.Context +import language.experimental.macros + +object Interpolation { + implicit class TestInterpolation(c: StringContext) { + object t { + def unapply[T](x: T): Any = macro Macros.unapplyImpl[T] + } + } +} + +object Macros { + def unapplyImpl[T: c.WeakTypeTag](c: Context)(x: c.Tree) = { + import c.universe._ + if (!(c.weakTypeOf[Int] =:= c.weakTypeOf[T])) c.abort(c.enclosingPosition, s"${c.weakTypeOf[T]} is not supported") + else { + q""" + new { + def isEmpty = false + def get = 2 + def unapply(x: Int) = this + }.unapply($x) + """ + } + } +} diff --git a/tests/untried/neg-with-implicits/t5903c/Test_2.scala b/tests/untried/neg-with-implicits/t5903c/Test_2.scala new file mode 100644 index 000000000..a1fd31dd4 --- /dev/null +++ b/tests/untried/neg-with-implicits/t5903c/Test_2.scala @@ -0,0 +1,6 @@ +object Test extends App { + import Interpolation._ + "2" match { + case t"$x" => println(x) + } +} |