Untitled

package main

import (
    "html/template"
    "net/http"
)

var tpl *template.Template

var funkcijas = template.FuncMap{
    "addt": addthree,
    "timt": timesthree,
}

func addthree(x int) int   { return x + 3 }
func timesthree(x int) int { return x * 3 }

func init() {
    tpl = template.Must(template.New("").Funcs(funkcijas).ParseGlob("templates/*.gohtml"))
}

type person struct {
    Name string
    Age  int
}

func (p person) AgeDbl() int   { return p.Age * 2 }
func (p person) Div(x int) int { return x / 2 }
func (p person) Add(x int) int { return x + 5 }

func main() {
    http.HandleFunc("/", one)
    http.Handle("/favicon.ico", http.NotFoundHandler())
    http.ListenAndServe(":8080", nil)
}

func one(res http.ResponseWriter, req *http.Request) {
    user1 := person{Name: "Edgars", Age: 26}
    user2 := person{Name: "Martins", Age: 29}
    users := []person{user1, user2}
    tpl.ExecuteTemplate(res, "one.gohtml", users)
}
========================
<html>
<body>
    {{range .}}
        <b>{{.Age}}-{{.Name}}<br></b>
        {{.AgeDbl}} -> {{.AgeDbl|.Div}}<br>
        {{.Age|.Div}} -> {{.Age|.Div|.Add}}<br>
        {{.Age|.Div|.Add|addt}} -> {{.Age|.Div|.Add|addt|timt}}<br>
        {{addt .Age}} -> {{addt .Age|timt}} -> {{addt .Age|timt|.Div}}<br><br>
    {{end}}
</body>
</html>