Multiple socket reader in Go

//
// Reading from multiple sockets
// This version uses a simple recv loop
//
package main

import (
"fmt"
zmq "github.com/alecthomas/gozmq"
"time"
)

func main() {

context, _ := zmq.NewContext()
defer context.Close()

// Connect to task ventilator
receiver, _ := context.NewSocket(zmq.PULL)
defer receiver.Close()
receiver.Connect("tcp://localhost:5557")

// Connect to weather server
subscriber, _ := context.NewSocket(zmq.SUB)
defer subscriber.Close()
subscriber.Connect("tcp://localhost:5556")
subscriber.SetSubscribe("10001")

// Process messages from both sockets
// We prioritize traffic from the task ventilator
for {

// ventilator
for b, _ := receiver.Recv(zmq.NOBLOCK); b != nil; {
// fake process task
}

// weather server
for b, _ := subscriber.Recv(zmq.NOBLOCK); b != nil; {
// process task
fmt.Printf("found weather =%s\n", string(b))
}

// No activity, so sleep for 1 msec
time.Sleep(1e6)
}

fmt.Println("done")

}