Add ResponseWriter.Flush function

examples/stream.go

@@ -37,7 +37,8 @@ func main() {
 
 func stream(w *gemini.ResponseWriter, r *gemini.Request) {
 	for {
-		fmt.Fprintln(w, time.Now())
+		fmt.Fprintln(w, time.Now().UTC())
+		w.Flush()
 		time.Sleep(time.Second)
 	}
 }

server.go

@@ -283,7 +283,7 @@ func (w *ResponseWriter) SetMediaType(mediatype string) {
 	w.mediatype = mediatype
 }
 
-// Write writes the response body.
+// Write writes data to the connection as part of the response body.
 // If the response status does not allow for a response body, Write returns
 // ErrBodyNotAllowed.
 //
@@ -303,6 +303,11 @@ func (w *ResponseWriter) Write(b []byte) (int, error) {
 	return w.b.Write(b)
 }
 
+// Flush writes any buffered data to the underlying io.Writer.
+func (w *ResponseWriter) Flush() error {
+	return w.b.Flush()
+}
+
 // A Responder responds to a Gemini request.
 type Responder interface {
 	// Respond accepts a Request and constructs a Response.