Simplify throttle loop

client.go

@@ -32,14 +32,12 @@ func NewClient(rate uint) *Client {
 // Drill loops over the passed reqs channel and executes each request.
 // It is throttled to the qps specified in the initializer
 func (c *Client) Drill(reqs chan *http.Request, res chan *Response) {
-	for _ = range time.Tick(time.Duration(1e9 / c.rate)) {
+	throttle := time.Tick(time.Duration(1e9 / c.rate))
-		if req, ok := <-reqs; !ok {
+	for req := range reqs {
-			break
+		<-throttle
-		} else {
 		go c.Do(req, res)
 	}
 }
-}
 
 // Do executes the passed http.Request and puts a generated *Response into res.
 func (c *Client) Do(req *http.Request, res chan *Response) {