Avoid unnecessary StringBuilder construction and int boxing.

JoshRosen · JoshRosen · commit 78d0b133c996 · 2017-06-12T15:00:53.000-07:00
diff --git a/scalac-scoverage-runtime/shared/src/main/scala/scoverage/Invoker.scala b/scalac-scoverage-runtime/shared/src/main/scala/scoverage/Invoker.scala
@@ -40,7 +40,7 @@ object Invoker {
         threadFiles.set(files)
       }
       val writer = files.getOrElseUpdate(dataDir, new FileWriter(measurementFile(dataDir), true))
-      writer.append(id.toString + '\n').flush()
+      writer.append(Integer.toString(id)).append("\n").flush()
 
       ids.put((dataDir, id), ())
     }

Original file line number	Diff line number	Diff line change
`@@ -40,7 +40,7 @@ object Invoker {`
`40`	`40`	`threadFiles.set(files)`
`41`	`41`	`}`
`42`	`42`	`val writer = files.getOrElseUpdate(dataDir, new FileWriter(measurementFile(dataDir), true))`
`43`		`- writer.append(id.toString + '\n').flush()`
	`43`	`+ writer.append(Integer.toString(id)).append("\n").flush()`
`44`	`44`
`45`	`45`	`ids.put((dataDir, id), ())`
`46`	`46`	`}`