// TODO: maybe add 'experimental' option to opt-in into experimental (still in development/unstable) check digit validators/countries (perhaps specific per country/algo.
/// <summary>
/// Enables national check digit validation for a subset of IBAN countries.
/// </summary>
/// <param name="builder">The builder instance.</param>
/// <returns>The <see cref="IIbanNetOptionsBuilder"/> so that additional calls can be chained.</returns>
public static IIbanNetOptionsBuilder ValidateNationalCheckDigits(this IIbanNetOptionsBuilder builder)
{
if (builder is null)
{
throw new ArgumentNullException(nameof(builder));
}
return(builder.WithRule(() => new HasValidNationalCheckDigitsRule()));
}
/// <summary>
/// Registers a custom validation rule that is executed after built-in validation has passed.
/// </summary>
/// <typeparam name="T">The type of the validation rule.</typeparam>
/// <param name="builder">The builder instance.</param>
/// <returns>The <see cref="IIbanNetOptionsBuilder" /> so that additional calls can be chained.</returns>
public static IIbanNetOptionsBuilder WithRule <T>(this IIbanNetOptionsBuilder builder)
where T : class, IIbanValidationRule
{
if (builder is null)
{
throw new ArgumentNullException(nameof(builder));
}
return(builder.WithRule(typeof(T)));
}
