More tests.

1 files changed, 5 insertions, 5 deletions

diff --git a/src/dotty/tools/dotc/util/HashSet.scala b/src/dotty/tools/dotc/util/HashSet.scala
index 589cc1f41..8d809cdf4 100644
--- a/src/dotty/tools/dotc/util/HashSet.scala
+++ b/src/dotty/tools/dotc/util/HashSet.scala
@@ -21,7 +21,7 @@ class HashSet[T >: Null <: AnyRef](val label: String, initialCapacity: Int) exte
   def hash(x: T): Int = x.hashCode
 
   def size: Int = used
-  def clear() {
+  def clear(): Unit = {
     used = 0
     table = new Array[AnyRef](initialCapacity)
   }
@@ -52,7 +52,7 @@ class HashSet[T >: Null <: AnyRef](val label: String, initialCapacity: Int) exte
     entry.asInstanceOf[T]
   }
 
-  def addEntry(x: T) {
+  def addEntry(x: T): Unit = {
     var h = index(hash(x))
     var entry = table(h)
     while (entry ne null) {
@@ -64,7 +64,7 @@ class HashSet[T >: Null <: AnyRef](val label: String, initialCapacity: Int) exte
     used += 1
     if (used > (table.length >> 2)) growTable()
   }
-  def addEntries(xs: TraversableOnce[T]) {
+  def addEntries(xs: TraversableOnce[T]): Unit = {
     xs foreach addEntry
   }
 
@@ -79,7 +79,7 @@ class HashSet[T >: Null <: AnyRef](val label: String, initialCapacity: Int) exte
       else null
   }
 
-  private def addOldEntry(x: T) {
+  private def addOldEntry(x: T): Unit = {
     var h = index(hash(x))
     var entry = table(h)
     while (entry ne null) {
@@ -89,7 +89,7 @@ class HashSet[T >: Null <: AnyRef](val label: String, initialCapacity: Int) exte
     table(h) = x
   }
 
-  private def growTable() {
+  private def growTable(): Unit = {
     val oldtable = table
     val growthFactor =
       if (table.length <= initialCapacity) 8