package main

import (
    "log"
    "time"
    "github.com/PuerkitoBio/goquery"
    "github.com/briandowns/spinner"

)

const (
    host = "http://studygolang.com"
    topic = "http://studygolang.com/topics"
)

func main() {
    // build and start new spinner
    s := spinner.New(spinner.CharSets[35], 100 * time.Millisecond)
    s.Start()

    doc, err := goquery.NewDocument(topic)
    if err != nil {
        log.Fatal(err)
    }
    doc.Find(".topics .topic").Each(func (i int, cntSelection *goquery.Selection) {
        item := cntSelection.Find(".title a")
        title := item.Text()
        link, _ := item.Attr("href")
        link = host + link
        log.Println("[", i+1, "]", title, link)
    })

    s.Stop()
}