hidden prep: Add a few missing Clone/Copy

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/src/updates.rs b/src/updates.rs
index a342d016ce8b8b1d09be74cd03e50e335f0119f6..2e51962b047afd677c4d6d8616a02f89ad809ee8 100644 (file)
--- a/src/updates.rs
+++ b/src/updates.rs
@@ -90,7 +90,7 @@ pub struct DataLoadPlayer {
 
 // ---------- piece updates ----------
 
-#[derive(Debug,Clone,Serialize)]
+#[derive(Debug,Clone,Copy,Serialize)]
 pub enum PieceUpdateOp<NS,ZL> {
   Delete(),
   Insert(NS),
@@ -114,7 +114,7 @@ pub struct PieceUpdate {
   pub ops: PieceUpdateOps,
 }
 
-#[derive(Debug)]
+#[derive(Debug,Copy,Clone)]
 pub enum PieceUpdateOps {
   Simple(PieceUpdateOp<(),()>),
 }