From 4b96db230d269c5fddc6d115435f4abcd8bcffb1 Mon Sep 17 00:00:00 2001
From: Eryn Wells <eryn@erynwells.me>
Date: Sat, 21 Jun 2025 21:08:04 -0700
Subject: [PATCH] [board, moves] Derive Clone on several error types

- PlacePieceError
- MakeMoveError
- UnmakeMoveError
---
 board/src/piece_sets.rs  | 2 +-
 moves/src/make_move.rs   | 2 +-
 moves/src/unmake_move.rs | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/board/src/piece_sets.rs b/board/src/piece_sets.rs
index 316c1d8..de43caa 100644
--- a/board/src/piece_sets.rs
+++ b/board/src/piece_sets.rs
@@ -21,7 +21,7 @@ pub enum PlacePieceStrategy {
     PreserveExisting,
 }
 
-#[derive(Debug, Error, Eq, PartialEq)]
+#[derive(Clone, Debug, Error, Eq, PartialEq)]
 pub enum PlacePieceError {
     #[error("cannot place piece on {square} with existing {piece}")]
     ExisitingPiece { piece: Piece, square: Square },
diff --git a/moves/src/make_move.rs b/moves/src/make_move.rs
index f413e72..bcbca0a 100644
--- a/moves/src/make_move.rs
+++ b/moves/src/make_move.rs
@@ -18,7 +18,7 @@ pub enum ValidateMove {
     Yes,
 }
 
-#[derive(Debug, Error, Eq, PartialEq)]
+#[derive(Clone, Debug, Error, Eq, PartialEq)]
 pub enum MakeMoveError {
     #[error("no piece on {0}")]
     NoPiece(Square),
diff --git a/moves/src/unmake_move.rs b/moves/src/unmake_move.rs
index 69c43b7..6833608 100644
--- a/moves/src/unmake_move.rs
+++ b/moves/src/unmake_move.rs
@@ -7,7 +7,7 @@ use thiserror::Error;
 
 pub type UnmakeMoveResult = Result<(), UnmakeMoveError>;
 
-#[derive(Debug, Error, Eq, PartialEq)]
+#[derive(Clone, Debug, Error, Eq, PartialEq)]
 pub enum UnmakeMoveError {
     #[error("no move to unmake")]
     NoMove,