1use std::marker::PhantomData;
 2
 3use crate::layouts::Backend;
 4
 5pub struct ScratchOwned<B: Backend> {
 6    pub data: Vec<u8>,
 7    pub _phantom: PhantomData<B>,
 8}
 9
10pub struct Scratch<B: Backend> {
11    pub _phantom: PhantomData<B>,
12    pub data: [u8],
13}