pub fn convert_bool(value: bool) -> String {

    convert_bool_as(value, "0", "1")

}

pub fn convert_bool_as(value: bool, false_value: &'static str, true_value: &'static str) -> String {

    match value {

        true => true_value.to_string(),

        false => false_value.to_string(),

}

    fn convert_bool_should_map_to_0_or_1() {

        assert_eq!(convert_bool(false), "0");

        assert_eq!(convert_bool(true), "1");

    }

    fn convert_bool_as_should_support_custom_values() {

        assert_eq!(convert_bool_as(false, "false", "true"), "false");

        assert_eq!(convert_bool_as(true, "false", "true"), "true");

    }