From b913f4673a5ddb9111c6510e582c313a0d09caec Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Sat, 6 Apr 2024 12:19:10 +0100
Subject: [PATCH] Add 'copy-on-make' 'ChessBoard::play_move'

---
 src/board/chess_board/mod.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/board/chess_board/mod.rs b/src/board/chess_board/mod.rs
index 2f0f31b..2b1d5cb 100644
--- a/src/board/chess_board/mod.rs
+++ b/src/board/chess_board/mod.rs
@@ -132,6 +132,14 @@ impl ChessBoard {
         self.combined_occupancy ^= start_end;
     }
 
+    /// Play the given [Move], return a copy of the board with the resulting state.
+    #[inline(always)]
+    pub fn play_move(&self, chess_move: Move) -> Self {
+        let mut res = self.clone();
+        res.play_move_inplace(chess_move);
+        res
+    }
+
     /// Play the given [Move] in place, returning all non-revertible state (e.g: en-passant,
     /// etc...).
     #[inline(always)]