fn main() {
    // or however you get your buffer
    let bufr = &mut [false; 64*32];

    // this wouldn't be done, but an example of destructure for the values
    let PixelBuffer {buf, size} = PixelBuffer::new(bufr, 64);
    println!("{:?} {:?}", buf, size);
}

pub struct PixelBuffer<'a> {
    pub buf: &'a mut [bool],
    pub size: usize
}

impl<'a> PixelBuffer<'a> {
    pub fn new(buf: &'a mut [bool], size: usize) -> Self {
        PixelBuffer {
            buf,
            size
        }
    }
}