code: func CamelCase(in string) string {
  	tokens := strings.Split(in, "_")
  	for i := range tokens {
  		tokens[i] = strings.Title(strings.Trim(tokens[i], " "))
  	}
  	return strings.Join(tokens, "")
  }
docs: // camelCase converts a _ delimited string to camel case
  // e.g. very_important_person => VeryImportantPerson