non working go multiwriter example

multiwriter.go

package main

import (
	"net/http"
	"io"
	"log"
	"bufio"
)

func performRequest(logPrefix string, url string, bodyReader io.Reader) {
	httpClient := http.Client{}
	req, err := http.NewRequest("POST", url, bodyReader)
	if err != nil {
		panic(err)
	}
	log.Println(logPrefix, "Sending off request")
	resp, err := httpClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer resp.Body.Close()
	log.Println(logPrefix, "Finished request!")
}

func main() {
	prA, pwA := io.Pipe()
	//prB, pwB := io.Pipe()

	debugReader, debugWriter := io.Pipe()

	writer := io.MultiWriter(pwA, debugWriter)

	go func(writer io.Writer) {
		for i := 0; i < 100; i++ {
			writer.Write([]byte("My cool string\n"))
		}
		pwA.Close()
	}(writer)

	go func(reader io.Reader) {
		for {
			buf := bufio.NewReader(reader)
			i, _ := buf.ReadBytes('\n')
			log.Println("DEBUG:", string(i))
		}
	}(debugReader)

	go performRequest("ONE:", "http://localhost:9999", prA)
	//go performRequest("TWO:", "http://localhost:8888", ioutil.NopCloser(prB))

	// Block it
	select {}
}