sample.go

package main

import (
        "os"
        "text/template"
)

type Hoge struct {
        Count    int
        Material string
}

type T struct {
        Data []Hoge
}

func main() {
        sweaters := []Hoge{Hoge{1, "hogehuga"}, Hoge{2, "hugahuga"}, Hoge{3, "piyopiyo"}}

        tmpl, err := template.New("test").Parse(`{{range $_, $hoge := .Data}}{{$hoge.Count}} items are made of {{$hoge.Material}}
{{end}}`)
        if err != nil {
                panic(err)
        }
        err = tmpl.Execute(os.Stdout, T{sweaters})
        if err != nil {
                panic(err)
        }
}