message: Derive `Debug` for `raster::Memory`
diff: @@ -2,6 +2,7 @@ use crate::texture::atlas::{self, Atlas};
  use iced_native::image;
  use std::collections::{HashMap, HashSet};
  +#[derive(Debug)]
  pub enum Memory {
  Host(::image::ImageBuffer<::image::Bgra<u8>, Vec<u8>>),
  Device(atlas::Entry),
  @@ -20,17 +21,6 @@ impl Memory {
  }
  }
  -impl std::fmt::Debug for Memory {
  - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
  - match self {
  - Memory::Host(_) => write!(f, "Memory::Host"),
  - Memory::Device(_) => write!(f, "Memory::Device"),
  - Memory::NotFound => write!(f, "Memory::NotFound"),
  - Memory::Invalid => write!(f, "Memory::Invalid"),
  - }
  - }
  -}
  -
  #[derive(Debug)]
  pub struct Cache {
  map: HashMap<u64, Memory>,
  