template action demo

output

Template A includes Template B
Template B
Template A ends

templateActionDemo.go

package main

import (
	"html/template"
    "os"
    "fmt"
)

var templateDemo = 
`
{{ define "a" }} 
Template A includes Template B
{{ template "b" .}}
Template A ends
{{ end }}

{{define "b"}} 
Template B
{{end}}
`

func main() {
    var err error
    
    t := template.New("templateActionDemo")
    
    t, err = t.Parse(templateDemo)
    
    if err != nil {
	    fmt.Println("parsing failed: %s", err)
    }
    err = t.ExecuteTemplate(os.Stdout, "a", nil)
    if err != nil {
	    fmt.Println("execution failed: %s", err)
    }

}