Removed some duplicated functions.

6 files changed, 6 insertions, 12 deletions

diff --git a/src/compiler/scala/tools/nsc/ast/TreeDSL.scala b/src/compiler/scala/tools/nsc/ast/TreeDSL.scala
index c5cef0dd32..569b0f7b37 100644
--- a/src/compiler/scala/tools/nsc/ast/TreeDSL.scala
+++ b/src/compiler/scala/tools/nsc/ast/TreeDSL.scala
@@ -18,24 +18,13 @@ trait TreeDSL {
   import global._
   import definitions._
   import gen.{ scalaDot }
+  import PartialFunction._
 
   object CODE {
     // Add a null check to a Tree => Tree function
     def nullSafe[T](f: Tree => Tree, ifNull: Tree): Tree => Tree =
       tree => IF (tree MEMBER_== NULL) THEN ifNull ELSE f(tree)
 
-    // XXX these two are in scala.PartialFunction now, just have to
-    // settle on the final names.
-
-    // Create a conditional based on a partial function - for values not defined
-    // on the partial, it is false.
-    def cond[T](x: T)(f: PartialFunction[T, Boolean]) = (f isDefinedAt x) && f(x)
-
-    // Like cond, but transforms the value T => Some(U) if the pf is defined,
-    // or returns None if it is not.
-    def condOpt[T,U](x: T)(f: PartialFunction[T, U]): Option[U] =
-      if (f isDefinedAt x) Some(f(x)) else None
-
     // Applies a function to a value and then returns the value.
     def returning[T](f: T => Unit)(x: T): T = { f(x) ; x }
 
diff --git a/src/compiler/scala/tools/nsc/matching/MatrixAdditions.scala b/src/compiler/scala/tools/nsc/matching/MatrixAdditions.scala
index 37ddbbc671..ea8a8e5ce5 100644
--- a/src/compiler/scala/tools/nsc/matching/MatrixAdditions.scala
+++ b/src/compiler/scala/tools/nsc/matching/MatrixAdditions.scala
@@ -7,6 +7,7 @@ package scala.tools.nsc
 package matching
 
 import transform.ExplicitOuter
+import PartialFunction._
 
 /** Traits which are mixed into MatchMatrix, but separated out as
  *  (somewhat) independent components to keep them on the sidelines.
diff --git a/src/compiler/scala/tools/nsc/matching/ParallelMatching.scala b/src/compiler/scala/tools/nsc/matching/ParallelMatching.scala
index 4bc8826908..d87eb29cf1 100644
--- a/src/compiler/scala/tools/nsc/matching/ParallelMatching.scala
+++ b/src/compiler/scala/tools/nsc/matching/ParallelMatching.scala
@@ -31,6 +31,7 @@ trait ParallelMatching extends ast.TreeDSL
   import Types._
   import Debug._
   import Flags.{ TRANS_FLAG }
+  import PartialFunction._
 
   /** Transition **/
   def toPats(xs: List[Tree]): List[Pattern] = xs map Pattern.apply
diff --git a/src/compiler/scala/tools/nsc/matching/PatternBindings.scala b/src/compiler/scala/tools/nsc/matching/PatternBindings.scala
index b4689ebc30..daaa7d8b88 100644
--- a/src/compiler/scala/tools/nsc/matching/PatternBindings.scala
+++ b/src/compiler/scala/tools/nsc/matching/PatternBindings.scala
@@ -8,6 +8,7 @@ package matching
 
 import transform.ExplicitOuter
 import collection.immutable.TreeMap
+import PartialFunction._
 
 trait PatternBindings extends ast.TreeDSL
 {
diff --git a/src/compiler/scala/tools/nsc/matching/Patterns.scala b/src/compiler/scala/tools/nsc/matching/Patterns.scala
index 8a596f1257..f1efd7436f 100644
--- a/src/compiler/scala/tools/nsc/matching/Patterns.scala
+++ b/src/compiler/scala/tools/nsc/matching/Patterns.scala
@@ -9,6 +9,7 @@ package matching
 import symtab.Flags
 import util.NoPosition
 import scala.util.NameTransformer.decode
+import PartialFunction._
 
 /** Patterns are wrappers for Trees with enhanced semantics.
  *
diff --git a/src/compiler/scala/tools/nsc/matching/TransMatcher.scala b/src/compiler/scala/tools/nsc/matching/TransMatcher.scala
index b47ebccfa9..ea29f1859b 100644
--- a/src/compiler/scala/tools/nsc/matching/TransMatcher.scala
+++ b/src/compiler/scala/tools/nsc/matching/TransMatcher.scala
@@ -13,6 +13,7 @@ import symtab.SymbolTable
 import transform.ExplicitOuter
 import java.io.{ StringWriter, PrintWriter }
 import scala.util.NameTransformer.decode
+import PartialFunction._
 
 /** Translation of pattern matching
  *