If you can afford the allocation at every iteration, the iterslide crate might work for you. https://github.com/slapresta/rust-iterslide https://github.com/sla

If you can afford the allocation at every iteration, the iterslide crate might work for you. https://github.com/slapresta/rust-iterslide https://github.com/slapresta/rust-iterslide