Add some explicit return types to s.t.c._

3 files changed, 15 insertions, 15 deletions

diff --git a/src/compiler/scala/tools/cmd/CommandLine.scala b/src/compiler/scala/tools/cmd/CommandLine.scala
index 8d76807d7d..781cc564cb 100644
--- a/src/compiler/scala/tools/cmd/CommandLine.scala
+++ b/src/compiler/scala/tools/cmd/CommandLine.scala
@@ -30,7 +30,7 @@ class CommandLine(val spec: Reference, val originalArgs: List[String]) extends C
   /** argMap is option -> argument (or "" if it is a unary argument)
    *  residualArgs are what is left after removing the options and their args.
    */
-  lazy val (argMap, residualArgs) = {
+  lazy val (argMap, residualArgs): (Map[String, String], List[String]) = {
     val residualBuffer = new ListBuffer[String]
 
     def loop(args: List[String]): Map[String, String] = {
diff --git a/src/compiler/scala/tools/cmd/Reference.scala b/src/compiler/scala/tools/cmd/Reference.scala
index 9e91b55f44..62b6c893cf 100644
--- a/src/compiler/scala/tools/cmd/Reference.scala
+++ b/src/compiler/scala/tools/cmd/Reference.scala
@@ -27,9 +27,9 @@ trait Reference extends Spec {
   def isBinaryOption(s: String) = binary contains fromOpt(s)
   def isExpandOption(s: String) = expansionMap contains fromOpt(s)
 
-  def expandArg(arg: String)      = expansionMap.getOrElse(fromOpt(arg), List(arg))
+  def expandArg(arg: String): List[String] = expansionMap.getOrElse(fromOpt(arg), List(arg))
 
-  protected def help(str: => String)        = addHelp(() => str)
+  protected def help(str: => String): Unit = addHelp(() => str)
 
   type ThisCommandLine <: CommandLine
 
@@ -53,20 +53,20 @@ object Reference {
     def helpFormatStr     = "    %-" + longestArg + "s %s"
     def defaultFormatStr  = (" " * (longestArg + 7)) + "%s"
 
-    def addUnary(s: String)   = _unary +:= s
-    def addBinary(s: String)  = _binary +:= s
+    def addUnary(s: String): Unit  = _unary +:= s
+    def addBinary(s: String): Unit = _binary +:= s
 
     def addExpand(opt: String, expanded: List[String]) =
       _expand += (opt -> expanded)
 
-    def mapHelp(g: String => String) = {
+    def mapHelp(g: String => String): Unit = {
       val idx = _help.length - 1
       val f = _help(idx)
 
       _help(idx) = () => g(f())
     }
 
-    def addHelp(f: () => String)      = _help += f
+    def addHelp(f: () => String): Unit = _help += f
     def addHelpAlias(f: () => String) = mapHelp { s =>
       val str = "alias for '%s'" format f()
       def noHelp = (helpFormatStr.format("", "")).length == s.length
@@ -74,13 +74,13 @@ object Reference {
 
       s + str2
     }
-    def addHelpDefault(f: () => String) = mapHelp { s =>
+    def addHelpDefault(f: () => String): Unit = mapHelp { s =>
       val str = "(default: %s)" format f()
 
       if (s.length + str.length < MaxLine) s + " " + str
       else defaultFormatStr.format(s, str)
     }
-    def addHelpEnvDefault(name: String) = mapHelp { s =>
+    def addHelpEnvDefault(name: String): Unit = mapHelp { s =>
       val line1     = "%s (default: %s)".format(s, name)
       val envNow    = envOrNone(name) map ("'" + _ + "'") getOrElse "unset"
       val line2     = defaultFormatStr.format("Currently " + envNow)
diff --git a/src/compiler/scala/tools/cmd/package.scala b/src/compiler/scala/tools/cmd/package.scala
index 7d67fa738b..9754becf10 100644
--- a/src/compiler/scala/tools/cmd/package.scala
+++ b/src/compiler/scala/tools/cmd/package.scala
@@ -13,19 +13,19 @@ package object cmd {
   implicit def implicitConversions = scala.language.implicitConversions
   implicit def postfixOps = scala.language.postfixOps
 
-  private[cmd] def debug(msg: String) = println(msg)
+  private[cmd] def debug(msg: String): Unit = println(msg)
 
   def runAndExit(body: => Unit): Nothing = {
     body
     sys.exit(0)
   }
 
-  def toOpt(s: String)              = if (s startsWith "--") s else "--" + s
-  def fromOpt(s: String)            = s stripPrefix "--"
-  def toArgs(line: String)          = CommandLineParser tokenize line
-  def fromArgs(args: List[String])  = args mkString " "
+  def toOpt(s: String): String             = if (s startsWith "--") s else "--" + s
+  def fromOpt(s: String): String           = s stripPrefix "--"
+  def toArgs(line: String): List[String]   = CommandLineParser tokenize line
+  def fromArgs(args: List[String]): String = args mkString " "
 
-  def stripQuotes(s: String) = {
+  def stripQuotes(s: String): String = {
     def isQuotedBy(c: Char) = s.length > 0 && s.head == c && s.last == c
     if (List('"', '\'') exists isQuotedBy) s.tail.init else s
   }