/// <summary>
/// Creates a uniform distribution over all digits from 0 to <paramref name="maxDigit"/> (inclusive),
/// excluding <paramref name="digit"/>.
/// </summary>
/// <param name="digit">The digit to exclude.</param>
/// <param name="maxDigit">The maximum digit.</param>
/// <returns>The created distribution.</returns>
private static DiscreteChar AllDigitsExcept(int digit, int maxDigit)
{
Debug.Assert(maxDigit >= 0 && maxDigit <= 9 && digit >= 0 && digit <= 9, "The parameters must represent digits.");
Debug.Assert(digit <= maxDigit, "digit must be between 0 and maxDigit.");
Debug.Assert(maxDigit > 0, "The distribution must cover at least one digit.");
if (digit == 0)
{
return(DiscreteChar.InRange('1', (char)('0' + maxDigit)));
}
if (digit == maxDigit)
{
return(DiscreteChar.InRange('0', (char)('0' + maxDigit - 1)));
}
return(DiscreteChar.InRanges('0', (char)('0' + digit - 1), (char)('0' + digit + 1), (char)('0' + maxDigit)));
}
private static StringDistribution WordString() => StringDistribution.OneOrMore(DiscreteChar.InRanges("azAZ09 __''\t\r"));