Reverted r19466, as the decision is now that

isDefinedAt should /not/ be in Function1

1 files changed, 0 insertions, 6 deletions

diff --git a/src/library/scala/Function1.scala b/src/library/scala/Function1.scala
index 80fe7ad1b6..7cfd32304e 100644
--- a/src/library/scala/Function1.scala
+++ b/src/library/scala/Function1.scala
@@ -47,10 +47,4 @@ trait Function1[-T1, +R] extends AnyRef { self =>
    */
   def andThen[A](g: R => A): T1 => A = { x => g(apply(x)) }
 
-  /** Checks if a value is contained in the functions domain.
-   *
-   *  @param  x   the value to test
-   *  @return true, iff <code>x</code> is in the domain of this function.
-   */
-  def isDefinedAt(x: T1): Boolean = true
 }