using map in templates

maptotemplate.go

package main

import (
	"encoding/json"
	"fmt"
	"text/template"
	"os"
)

type StatusType struct {
	Id     string                 `json:"message_id,omitempty"`
	Status map[string]interface{} `json:"status,omitempty"`
}

func main() {
	var s StatusType
	s.Id = "12345"
	m := make(map[string]interface{})
	s.Status = m

	// Now this works
	// s.Status["x-value"] = "foo1234"
	// s.Status["y-value"] = "bar4321"

	// And this works
	sites := []string{"a", "b", "c", "d"}
	s.Status["site-value"] = sites
	s.Status["hello"] = "game of throne"
	var data []byte
	data, _ = json.MarshalIndent(s, "", "    ")

	fmt.Println(string(data))

	tmpl := `
this is a template to test map interface {{index .Status "hello"}}
`

	t := template.New("testfunc")
	tt, err := t.Parse(tmpl)
	if err != nil {
		panic(err)
	}

	if err = tt.Execute(os.Stdout, &s); err != nil {
	fmt.Println(err)
		panic(err)
	}
}