// For more tutorials: https://blog.learngoprogramming.com // // Copyright © 2018 Inanc Gumus // Learn Go Programming Course // License: https://creativecommons.org/licenses/by-nc-sa/4.0/ // package main import ( "fmt" "strconv" ) func main() { if n, err := strconv.Atoi("42"); err == nil { // n and err are available here fmt.Println("There was no error, n is", n) } // n and err are not available here // fmt.Println(n, err) }