Method ReadHead

csharp/src/Fory/Fory.cs:254–263

Reads and validates the frame header. Source reader. Thrown when the peer xlang bitmap does not match this runtime mode.

(ByteReader reader)

    /// <param name="reader">Source reader.</param>
    /// <exception cref="InvalidDataException">Thrown when the peer xlang bitmap does not match this runtime mode.</exception>
    [MethodImpl(MethodImplOptions.AggressiveInlining)]
    internal void ReadHead(ByteReader reader)
    {
        byte bitmap = reader.ReadUInt8();
        if (bitmap == ForyHeaderFlag.IsXlang)
        {
            return;
        }
        ThrowInvalidRootHeader(bitmap);
    }

    [MethodImpl(MethodImplOptions.NoInlining)]
    private static void ThrowUnexpectedTrailingBytes<T>() =>