lokathor / bitfrob

Helps you frob those bits

Hi, I work on Rust stuff.

bitfrob's Issues

todo: iterate u{8,16,32} by X bits at a time

If we want to iterate an unsigned int (8, 16, 32) and read out X many bits at a time that should just be a single function someone calls and they get the iterator

pub fn iter_bit_elems(data: u32, bit_count: u32)
  -> impl Iterator<Item=u32>;

u8x2 docs are poor

"while" should be "and also".

make the comparison with using a [u8;2]

bit mask calculator should be an associated const instead of const fn

eg

struct U32RegionMask<const L: u32, const H: u32>;
impl<const L: u32, const H: u32> U32RegionMask<L, H> {
  pub const OUT: u32 = {
    /* const expr here */
  };
}

todo: u8x2

We will eventually want to support many bit-packed types I suspect, but to start we should add a type for u8x2 (stored as u16), because the GBA needs it for Video Mode 4 VRAM access. This should be a very simple test case on how we might want to implement bit-packed data later.