Go Standard Library Cookbook

How to do it...

1. Open the console and create the folder chapter02/recipe12.
2. Create the file main.go with the following content:

         package main         import (           "fmt"           "strconv"           "strings"           "unicode"         )         func main() {           text := "Hi! Go is awesome."           text = Indent(text, 6)           fmt.Println(text)           text = Unindent(text, 3)           fmt.Println(text)           text = Unindent(text, 10)           fmt.Println(text)           text = IndentByRune(text, 10, '.')           fmt.Println(text)         }         // Indent indenting the input by given indent and rune         func IndentByRune(input string, indent int, r rune) string {           return strings.Repeat(string(r), indent) + input         }         // Indent indenting the input by given indent         func Indent(input string, indent int) string {           padding := indent + len(input) return fmt.Sprintf("% "+strconv.Itoa(padding)+"s", ...