Update some comments, add function name prefix to comment (#3090)

response_writer.go

@@ -23,23 +23,23 @@ type ResponseWriter interface {
 	http.Flusher
 	http.CloseNotifier
 
-	// Returns the HTTP response status code of the current request.
+	// Status returns the HTTP response status code of the current request.
 	Status() int
 
-	// Returns the number of bytes already written into the response http body.
+	// Size returns the number of bytes already written into the response http body.
 	// See Written()
 	Size() int
 
-	// Writes the string into the response body.
+	// WriteString writes the string into the response body.
 	WriteString(string) (int, error)
 
-	// Returns true if the response body was already written.
+	// Written returns true if the response body was already written.
 	Written() bool
 
-	// Forces to write the http header (status code + headers).
+	// WriteHeaderNow forces to write the http header (status code + headers).
 	WriteHeaderNow()
 
-	// get the http.Pusher for server push
+	// Pusher get the http.Pusher for server push
 	Pusher() http.Pusher
 }
 
@@ -107,12 +107,12 @@ func (w *responseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
 	return w.ResponseWriter.(http.Hijacker).Hijack()
 }
 
-// CloseNotify implements the http.CloseNotify interface.
+// CloseNotify implements the http.CloseNotifier interface.
 func (w *responseWriter) CloseNotify() <-chan bool {
 	return w.ResponseWriter.(http.CloseNotifier).CloseNotify()
 }
 
-// Flush implements the http.Flush interface.
+// Flush implements the http.Flusher interface.
 func (w *responseWriter) Flush() {
 	w.WriteHeaderNow()
 	w.ResponseWriter.(http.Flusher).Flush()