go.talks/present: rename piper to messageWriter
R=r
CC=golang-dev
https://golang.org/cl/6709043
diff --git a/present/socket.go b/present/socket.go
index 834f869..410fb54 100644
--- a/present/socket.go
+++ b/present/socket.go
@@ -175,8 +175,8 @@
func NewProcess(id string, out chan<- *Message) *Process {
return &Process{
id: id,
- stdout: newPiper(id, "stdout", out),
- stderr: newPiper(id, "stderr", out),
+ stdout: &messageWriter{id, "stdout", out},
+ stderr: &messageWriter{id, "stdout", out},
done: make(chan struct{}),
}
}
@@ -248,23 +248,15 @@
<-p.done
}
-// newPiper returns a writer that converts all writes to Message sends on the
-// given channel with the specified id and kind.
-func newPiper(id, kind string, out chan<- *Message) io.Writer {
- return &piper{id, kind, out}
-}
-
-type piper struct {
+// messageWriter is an io.Writer that converts all writes to Message sends on
+// the out channel with the specified id and kind.
+type messageWriter struct {
id, kind string
out chan<- *Message
}
-func (p *piper) Write(b []byte) (n int, err error) {
- p.out <- &Message{
- Id: p.id,
- Kind: p.kind,
- Body: string(b),
- }
+func (w *messageWriter) Write(b []byte) (n int, err error) {
+ w.out <- &Message{Id: w.id, Kind: w.kind, Body: string(b)}
return len(b), nil
}
