package main import "fmt" // Converts anything into a string func s(v interface{}) string { return fmt.Sprint(v) } // Contains ... func Contains(list []string, a string) bool { for _, b := range list { if b == a { return true } } return false } // Map ... func Map(original []string, f func(string) string) []string { mapped := make([]string, len(original)) for index, value := range original { mapped[index] = f(value) } return mapped }