Embedding types example

Published: Wednesday, Aug 23, 2017 Last modified: Wednesday, Feb 24, 2021

Reference: https://golang.org/doc/effective_go.html#embedding

https://play.golang.org/p/ry8L4tqbjh

package main

import (
	"log"
	"os"
	"text/template"
	"time"
)

// https://stackoverflow.com/a/25015260/4534
type customTime struct {
	time.Time
}

func main() {

	tmpl, err := template.New("test").Parse(`{{ .Start }} {{ .Stop }} Duration: {{ .Stop.Time.Sub .Start.Time }}`)
	if err != nil {
        panic(err)
	}
	err = tmpl.Execute(os.Stdout, struct {
        Start customTime
        Stop  customTime
	}{
        Start: customTime{time.Now()},
        Stop:  customTime{time.Now().AddDate(0, 0, 1)},
	})

	if err != nil {
        log.Fatal(err)
	}
}