Introduce `canvas::Cache` grouping

Caches with the same `Group` will share their text
atlas!

1 files changed, 0 insertions, 24 deletions

diff --git a/graphics/src/cached.rs b/graphics/src/cached.rs
deleted file mode 100644
index c0e4e029..00000000
--- a/graphics/src/cached.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-/// A piece of data that can be cached.
-pub trait Cached: Sized {
-    /// The type of cache produced.
-    type Cache: Clone;
-
-    /// Loads the [`Cache`] into a proper instance.
-    ///
-    /// [`Cache`]: Self::Cache
-    fn load(cache: &Self::Cache) -> Self;
-
-    /// Caches this value, producing its corresponding [`Cache`].
-    ///
-    /// [`Cache`]: Self::Cache
-    fn cache(self, previous: Option<Self::Cache>) -> Self::Cache;
-}
-
-#[cfg(debug_assertions)]
-impl Cached for () {
-    type Cache = ();
-
-    fn load(_cache: &Self::Cache) -> Self {}
-
-    fn cache(self, _previous: Option<Self::Cache>) -> Self::Cache {}
-}