[go-pkg-rss] Why are item.Title’s not coming back?

stackrss.go

package main

import (
  "fmt"
	rss "github.com/jteeuwen/go-pkg-rss"
	"net/http"
	"os"
)

var items []*rss.Item
var channels []*rss.Channel

func hello(w http.ResponseWriter, r *http.Request) {
	feed := rss.New(5, true, chanHandler, itemHandler)
	url := "http://stackoverflow.com/feeds"
	feed.Fetch(url, nil)
	fmt.Printf("Sent fetch for %s\n", url)
	fmt.Fprintf(w, "There are %d items in %s\n\n", len(items), url)
	for key, value := range items {
		fmt.Fprintf(w, "%d: %s\n\n", key, value.Title)
	}
}

func main() {
	http.HandleFunc("/", hello)
	http.ListenAndServe(":"+os.Getenv("PORT"), nil)
}

func chanHandler(feed *rss.Feed, newchannels []*rss.Channel) {
	channels = newchannels
}

func itemHandler(feed *rss.Feed, ch *rss.Channel, newitems []*rss.Item) {
	items = newitems
}