github.com/paketo-buildpacks/packit@v1.3.2-0.20211206231111-86b75c657449/scribe/formatted_list.go (about) 1 package scribe 2 3 import ( 4 "sort" 5 "strings" 6 ) 7 8 // A FormattedList is a wrapper for []string to extend functionality. 9 type FormattedList []string 10 11 // Sorts the FormattedList alphabetically and then prints each item on its own 12 // line. 13 func (l FormattedList) String() string { 14 sort.Strings(l) 15 16 var builder strings.Builder 17 for i, elem := range l { 18 builder.WriteString(elem) 19 if i < len(l)-1 { 20 builder.WriteRune('\n') 21 } 22 } 23 24 return builder.String() 25 }