Add feature warnings to build, fix feature warnings, fix some documentation (#387)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main/scala/chisel3/testers/TesterDriver.scala b/src/main/scala/chisel3/testers/TesterDriver.scala
index 76b9a2e9..83f3c796 100644
--- a/src/main/scala/chisel3/testers/TesterDriver.scala
+++ b/src/main/scala/chisel3/testers/TesterDriver.scala
@@ -14,7 +14,7 @@ object TesterDriver extends BackendCompilationUtilities {
       throw new FileNotFoundException(s"Resource '$name'")
     }
     val out = new FileOutputStream(file)
-    Iterator.continually(in.read).takeWhile(-1 !=).foreach(out.write)
+    Iterator.continually(in.read).takeWhile(-1 != _).foreach(out.write)
     out.close()
   }