// CopyStrings copies the contents of the specified string slice // into a new slice. func CopyStrings(s []string) []string { … } // SortStrings sorts the specified string slice in place. It returns the same // slice that was provided in order to facilitate method chaining. func SortStrings(s []string) []string { … } // ContainsString checks if a given slice of strings contains the provided string. // If a modifier func is provided, it is called with the slice item before the comparation. func ContainsString(slice []string, s string, modifier func(s string) string) bool { … } // RemoveString returns a newly created []string that contains all items from slice that // are not equal to s and modifier(s) in case modifier func is provided. func RemoveString(slice []string, s string, modifier func(s string) string) []string { … }