Revert: Better error diagnostics for "not an extractor" errors.

No longer needed because we are going to allow dependent method types
in extractors, and the unary requirement is kind of obvious.

1 files changed, 0 insertions, 27 deletions

diff --git a/tests/neg/extractors.scala b/tests/neg/extractors.scala
deleted file mode 100644
index 88600da76..000000000
--- a/tests/neg/extractors.scala
+++ /dev/null
@@ -1,27 +0,0 @@
-object A {}
-
-object B {
-
-  def unapply[T](x: T): Option[x.type] = ???
-
-}
-
-object C {
-  def unapply[T](x: T, y: T): Option[T] = ???
-}
-
-object D {
-  def unapply[T](): Option[T] = ???
-}
-
-object Test {
-
-  val x: Any = ???
-  x match {
-    case A(y) => ??? // error: A cannot be used as an extractor in a pattern it lacks a unapply or unapplySeq method
-    case B(y) => ??? // error: B cannot be used as an extractor in a pattern its unapply method of type (x: T)Option[T(x)] has a dependent type
-    case C(y) => ??? // error: C cannot be used as an extractor in a pattern its unapply method of type (x: T, y: T)Option[T] does not take a single parameter
-    case D(y) => ??? // error: D cannot be used as an extractor in a pattern its unapply method of type ()Option[T] does not take a single parameter
-  }
-
-}