Small idiomatic changes in comcast.go

- Single var block for flags
- Pass Config directly, without an intermediate

comcast.go

@@ -9,18 +9,18 @@ import (
 func main() {
  // TODO: add support for specific host/port.
  // Also support for other options like packet reordering, duplication, etc.
- mode := flag.String("mode", throttler.Start, "start or stop packet controls")
- latency := flag.Int("latency", -1, "latency to add in ms")
- bandwidth := flag.Int("bandwidth", -1, "bandwidth limit in kb/s")
- packetLoss := flag.Float64("packet-loss", 0, "packet-loss rate")
+ var (
+ mode = flag.String("mode", throttler.Start, "start or stop packet controls")
+ latency = flag.Int("latency", -1, "latency to add in ms")
+ bandwidth = flag.Int("bandwidth", -1, "bandwidth limit in kb/s")
+ packetLoss = flag.Float64("packet-loss", 0, "packet-loss rate")
+ )
  flag.Parse()
 
- config := &throttler.Config{
+ throttler.Run(&throttler.Config{
  Mode: *mode,
  Latency: *latency,
  Bandwidth: *bandwidth,
  PacketLoss: *packetLoss,
- }
-
- throttler.Run(config)
+ })
 }