Added equals methods to instances of Ordered.

They are probably never used, but just in case.

3 files changed, 12 insertions, 0 deletions

diff --git a/src/compiler/scala/tools/nsc/doc/ModelExtractor.scala b/src/compiler/scala/tools/nsc/doc/ModelExtractor.scala
index ad34bcbb3d..90d15557c7 100644
--- a/src/compiler/scala/tools/nsc/doc/ModelExtractor.scala
+++ b/src/compiler/scala/tools/nsc/doc/ModelExtractor.scala
@@ -438,6 +438,9 @@ trait ModelExtractor {
         assert(diff0 != 0)
         diff0
       }
+      override def equals(other: Any) : Boolean =
+        eA.equals(other) || (other match { case that: AnyRef => this.eq(that)
+                                           case _ => false })
     }})
     set addAll entities;
     set
diff --git a/src/compiler/scala/tools/nsc/doc/ModelToXML.scala b/src/compiler/scala/tools/nsc/doc/ModelToXML.scala
index 331ce62ad6..de41df11c6 100644
--- a/src/compiler/scala/tools/nsc/doc/ModelToXML.scala
+++ b/src/compiler/scala/tools/nsc/doc/ModelToXML.scala
@@ -217,6 +217,10 @@ trait ModelToXML extends ModelExtractor {
               diff0
             }
           }
+        override def equals(other: Any): Boolean =
+           other match { case that: entity.Member => compare(that) == 0
+                         case that: AnyRef => this.eq(that)
+                         case _ => false }
       });
       set addAll xs;
       seq = seq ++ <table cellpadding="3" class="member" summary="">
diff --git a/src/library/scala/util/automata/SubsetConstruction.scala b/src/library/scala/util/automata/SubsetConstruction.scala
index aff2319bef..bdb50cfbdd 100644
--- a/src/library/scala/util/automata/SubsetConstruction.scala
+++ b/src/library/scala/util/automata/SubsetConstruction.scala
@@ -43,6 +43,11 @@ class SubsetConstruction[T <: AnyRef](val nfa: NondetWordAutom[T]) {
         res
     }
 
+    override def equals(other: Any): Boolean =
+        other match { case that: BitSet => compare(that) == 0
+                      case that: AnyRef => this.eq(that)
+                      case _ => false }
+
       //case _ => -(other.compare(this))
   }