Function codes_check_digits::error::invalid_check_digit

source · 
pub fn invalid_check_digit<T1, T2>(expecting: T1, got: T2) -> CheckDigitErrorwhere
    T1: Display,
    T2: Display,
Examples found in repository?
src/lib.rs (line 134)
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    fn validate<S>(&self, s: S) -> Result<(), CheckDigitError>
    where
        S: AsRef<str>,
    {
        let s = s.as_ref();
        trace!(
            algorithm_name = self.name(),
            num_check_digits = self.number_of_check_digit_chars(),
            "Validating check digits for input {:?}",
            s
        );
        let check_digit_index = s.len() - self.number_of_check_digit_chars();
        let check = self.calculate(&s[0..check_digit_index])?;
        if s[check_digit_index..] == check.to_string() {
            Ok(())
        } else {
            Err(invalid_check_digit(&s[check_digit_index..], check))
        }
    }