URLs w/o string replacement

url.go

package main

import (
	"fmt"
	"net/url"
)

func main() {
	u := url.URL{
		Scheme:   "http",
		Host:     "bing.com",
		Path:     "search",
		RawQuery: "q=dotnet",
	}

	fmt.Println(u.String())
	u.Scheme = "https"
	u.Host = "google.com"
	q := u.Query()
	q.Set("q", "golang")
	u.RawQuery = q.Encode()
	fmt.Println(u.String())
}