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

2 files changed, 6 insertions, 2 deletions

diff --git a/src/main/scala/chisel3/util/ImplicitConversions.scala b/src/main/scala/chisel3/util/ImplicitConversions.scala
index c2ba710d..712975a7 100644
--- a/src/main/scala/chisel3/util/ImplicitConversions.scala
+++ b/src/main/scala/chisel3/util/ImplicitConversions.scala
@@ -4,6 +4,8 @@ package chisel3.util
 
 import chisel3._
 
+import scala.language.implicitConversions
+
 object ImplicitConversions {
   // The explicit fromIntToLiteral resolves an ambiguous conversion between fromIntToLiteral and
   // UInt.asUInt.
diff --git a/src/main/scala/chisel3/util/Valid.scala b/src/main/scala/chisel3/util/Valid.scala
index 49a6f515..0229b7f8 100644
--- a/src/main/scala/chisel3/util/Valid.scala
+++ b/src/main/scala/chisel3/util/Valid.scala
@@ -52,10 +52,12 @@ object Pipe
 
 class Pipe[T <: Data](gen: T, latency: Int = 1) extends Module
 {
-  val io = IO(new Bundle {
+  class PipeIO extends Bundle {
     val enq = Input(Valid(gen))
     val deq = Output(Valid(gen))
-  })
+  }
+
+  val io = IO(new PipeIO)
 
   io.deq <> Pipe(io.enq, latency)
 }