package main
import (
"log"
"os"
"text/template"
)
var tmplStr = `User {{.User}} has {{.TotalTweets}} tweets.
{{- $tweetCount := len .RecentTweets }}
Recent tweets:
{{range $idx, $tweet := .RecentTweets}}Tweet {{$idx}} of {{$tweetCount}}: '{{.}}'
{{end -}}
Most recent tweet: '{{index .RecentTweets 0}}'
`
func main() {
t := template.New("tweets")
t, err := t.Parse(tmplStr)
if err != nil {
log.Fatalf("template.Parse() failed with '%s'\n", err)
}
data := struct {
User string
TotalTweets int
RecentTweets []string
}{
User: "kjk",
TotalTweets: 124,
RecentTweets: []string{"hello", "there"},
}
err = t.Execute(os.Stdout, data)
if err != nil {
log.Fatalf("t.Execute() failed with '%s'\n", err)
}
}
