code review 4243072: go code: replace closed(c) with x, ok := <-c

src/pkg/netchan/common.go

Index: src/pkg/netchan/common.go
===================================================================
--- a/src/pkg/netchan/common.go
+++ b/src/pkg/netchan/common.go
@@ -306,7 +306,7 @@
 }
 
 // Receive value from local side for sending to remote side.
-func (nch *netChan) recv() (val reflect.Value, closed bool) {
+func (nch *netChan) recv() (val reflect.Value, ok bool) {
 	if nch.dir != Send {
 		panic("recv on wrong direction of channel")
 	}
@@ -317,7 +317,7 @@
 		nch.space++
 	}
 	nch.space--
-	return nch.ch.Recv(), nch.ch.Closed()
+	return nch.ch.Recv()
 }
 
 // acked is called when the remote side indicates that