Parallel task sink in Go

//
// Task sink
// Binds PULL socket to tcp://localhost:5558
// Collects results from workers via that socket
//
package main

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

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

// Socket to receive messages on
receiver, _ := context.NewSocket(zmq.PULL)
defer receiver.Close()
receiver.Bind("tcp://*:5558")

// Wait for start of batch
msgbytes, _ := receiver.Recv(0)
fmt.Println("Received Start Msg ", string(msgbytes))

// Start our clock now
start_time := time.Now().UnixNano()

// Process 100 confirmations
for i := 0; i < 100; i++ {
msgbytes, _ = receiver.Recv(0)
fmt.Print(".")
}

// Calculate and report duration of batch
te := time.Now().UnixNano()
fmt.Printf("Total elapsed time: %d msec\n", (te-start_time)/1e6)

}