refact code style

Author: yu-croco

compiler/src/dotty/tools/io/Directory.scala

@@ -67,7 +67,7 @@ class Directory(jpath: JPath) extends Path(jpath) {
    *  until it runs out of contents.
    */
   def deepList(depth: Int = -1): Iterator[Path] =
-    if (depth < 0) list ++ (dirs flatMap (_ deepList (depth)))
+    if (depth < 0) list ++ (dirs flatMap (_ deepList depth))
     else if (depth == 0) Iterator.empty
     else list ++ (dirs flatMap (_ deepList (depth - 1)))
 }

compiler/src/dotty/tools/io/Streamable.scala

@@ -125,9 +125,9 @@ object Streamable {
     finally stream.close()
 
   def bytes(is: => InputStream): Array[Byte] =
-    (new Bytes {
+    new Bytes {
       def inputStream() = is
-    }).toByteArray()
+    }.toByteArray()
 
   def slurp(is: => InputStream)(implicit codec: Codec): String =
     new Chars { def inputStream() = is } slurp codec

compiler/src/dotty/tools/io/VirtualDirectory.scala

@@ -18,7 +18,7 @@ extends AbstractFile {
   def path: String =
     maybeContainer match {
       case None => name
-      case Some(parent) => parent.path+'/'+ name
+      case Some(parent) => parent.path + '/' + name
     }
 
   def absolute: AbstractFile = this
@@ -54,7 +54,7 @@ extends AbstractFile {
 
   override def fileNamed(name: String): AbstractFile =
     Option(lookupName(name, directory = false)) getOrElse {
-      val newFile = new VirtualFile(name, path+'/'+name)
+      val newFile = new VirtualFile(name, path + '/' + name)
       files(name) = newFile
       newFile
     }

compiler/src/dotty/tools/io/ZipArchive.scala

@@ -240,8 +240,8 @@ final class ManifestResources(val url: URL) extends ZipArchive(null) {
   private def resourceInputStream(path: String): InputStream = {
     new FilterInputStream(null) {
       override def read(): Int = {
-        if(in == null) in = Thread.currentThread().getContextClassLoader().getResourceAsStream(path)
-        if(in == null) throw new RuntimeException(path + " not found")
+        if (in == null) in = Thread.currentThread().getContextClassLoader().getResourceAsStream(path)
+        if (in == null) throw new RuntimeException(path + " not found")
         super.read()
       }