derive Copy for ChunkIndexer
@@ -6,7 +6,7 @@ use serde::{Deserialize, Serialize};
/// Translates from lattice coordinates to chunk key space.
///
/// The key for a chunk is the minimum point of that chunk's extent.
-#[derive(Clone, Debug, Deserialize, Serialize)]
+#[derive(Clone, Copy, Debug, Deserialize, Serialize)]
pub struct ChunkIndexer<N> {
chunk_shape: PointN<N>,
chunk_shape_mask: PointN<N>,
