GET/SET a struct field by name in golang

gistfile1.txt

package main

import (
	"fmt"
	"reflect"
)

type Test struct {
	One string
	Two string
}

func main() {
	test := Test{One: "1", Two: "2"}
	fmt.Println("%v", test)
	if hasField(test, "Two") {
     // you need to pass the reference, inorder to edit the field inside a struct.
		setField(&test, "Two", "3")
	}
	fmt.Println("%v", test)

}

func hasField(v interface{}, name string) bool {
	rv := reflect.ValueOf(v)
	if rv.Kind() == reflect.Ptr {
		rv = rv.Elem()
	}
	if rv.Kind() != reflect.Struct {
		return false
	}
	return rv.FieldByName(name).IsValid()

}

func setField(v interface{}, name string, value interface{}) {
	rv := reflect.ValueOf(v).Elem()
	if rv.FieldByName(name).IsValid() {
    // comparing kind of field in the struct and the value given the arguement.
		if rv.FieldByName(name).Kind() == reflect.ValueOf(value).Kind() {
			rv.FieldByName(name).Set(reflect.ValueOf(value))
		}
	}
}