URL-адресов

Результат выполнения программы:

gopackage main

import (
 "fmt"
 "net/http"
 "time"
)

func main() {
 urls := []string{
  "https://www.lamoda.ru",
  "https://www.yandex.ru",
  "https://www.mail.ru",
  "https://www.google.com",
 }

 for _, url := range urls {
  go func(url string) {
   fmt.Printf("Fetching %s...\n", url)

   err := fetchUrl(url)
   if err != nil {
    fmt.Printf("Error fetching %s: %v\n", url, err)
    return
   }

   fmt.Printf("Fetched %s\n", url)
  }(url)
 }

 fmt.Println("All requests launched!")
 time.Sleep(400 * time.Millisecond)
 fmt.Println("Program finished.")
}

func fetchUrl(url string) error {
 // Подробная реализация опущена
 _, err := http.Get(url)
 return err
}