iterByReflect.go

package main

import (
	"fmt"
	"reflect"
)

type Docs struct {
	Github   string
	Linkedin string
	Google   string
	Facebook string
}

func main() {
	whatever := Docs{
		Github:   "https://github.com/whatever",
		Linkedin: "https://linkednin.com/whatever",
		Google:   "https://plus.google.com/+whatever",
		Facebook: "https://facebook.com/whatever+Ever",
	}
	modifier := Docs{
		Github:   "+goesGithub",
		Linkedin: "+goesLinkedin",
		Google:   "+goesGoogle",
		Facebook: "+goesFacebook",
	}
	fmt.Println(whatever)
	fmt.Println(modifier)
	fmt.Printf("%##v\n", whatever)
	v := reflect.ValueOf(whatever)
	for i := 0; i < v.NumField(); i++ {
		fmt.Println(v.Type().Field(i).Name, v.Field(i).String())
		tmp := v.Field(i).String() + reflect.ValueOf(&modifier).Elem().FieldByName(v.Type().Field(i).Name).String()
		reflect.ValueOf(&whatever).Elem().FieldByName(v.Type().Field(i).Name).SetString(tmp)
	}
	fmt.Println(whatever)
	fmt.Printf("%##v\n", whatever)
}