This is a simple crate to create a circular buffer that magically wraps around without any copying. This is achieved by mapping the same physical memory pages twice into the virtual address space.
``` let mut buffer = Buffer::new(0, 0).unwrap(); let size = buffer.size();
for (i, a) in buffer.slicemut(0, size).itermut().enumerate() { a = i as u8; } for (i, a) in buffer.slice(10, size).iter().enumerate() { assert_eq!(a, (i + 10) as u8); } ```