Reader for BigEndian

BigEndianReaders

public class BigEndianReaders
    {
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static ushort ReadUInt16(ref ReadableBuffer buffer)
        {
            var returnValue = PeekUInt16(buffer);
            buffer = buffer.Slice(2);
            return returnValue;
        }

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static short ReadInt16(ref ReadableBuffer buffer)
        {
            return (short)ReadUInt16(ref buffer);
        }

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static ushort PeekUInt16(ReadableBuffer buffer)
        {
            var x = buffer.Read<ushort>();
            x = (ushort)((x << 8) | (x >> 8));
            return x;
        }

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static int ReadInt32(ref ReadableBuffer buffer)
        {
            return (int) ReadUInt32(ref buffer);
        }

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static uint ReadUInt32(ref ReadableBuffer buffer)
        {
            var x = buffer.Read<uint>();
            x = ((x >> 24) | ((x >> 8) & 0x0000FF00) | ((x << 8) & 0x00FF0000) | (x << 24));
            buffer = buffer.Slice(4);
            return x;
        }

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static sbyte ReadInt8(ref ReadableBuffer buffer)
        {
            var x = buffer.Read<sbyte>();
            buffer = buffer.Slice(1);
            return x;
        }

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static byte ReadUInt8(ref ReadableBuffer buffer)
        {
            var x = buffer.Read<byte>();
            buffer = buffer.Slice(1);
            return x;
        }
    }
}