added some docs. removed some whitespace.

discard_router.go

@@ -5,11 +5,17 @@ var (
 	singltonDiscardRouter = DiscardRouter{}
 )
 
+
+// NewDiscardRouter returns an initialized DiscardRouter.
 func NewDiscardRouter() *DiscardRouter {
 	return &singltonDiscardRouter
 }
 
 
+// DiscardRouter is a Router that discards any message (and its context)
+// it is asked to route.
+//
+// Conceptually it is similar to /dev/null
 type DiscardRouter struct{}
 
 

discard_router_test.go

@@ -12,5 +12,4 @@ func TestNewDiscardRouter(t *testing.T) {
 	if nil == router {
 		t.Errorf("After trying to create a discard router, expected it to be not nil, but was: %v", router)
 	}
-
 }