Method Allow

csharp/src/Fory/MetaString.cs:213–216

(MetaStringEncoding encoding)

    private MetaStringEncoding ChooseEncoding(string input, IReadOnlyList<MetaStringEncoding>? allowedEncodings)
    {
        bool Allow(MetaStringEncoding encoding)
        {
            return allowedEncodings is null || allowedEncodings.Contains(encoding);
        }

        int digitCount = 0;
        int upperCount = 0;