From 54ac88aaf7fd0d8ccc7177244b319e024c43d76d Mon Sep 17 00:00:00 2001
From: Eryn Wells <eryn@erynwells.me>
Date: Mon, 19 May 2025 16:50:44 -0700
Subject: [PATCH] [board] Remove some old PlacedPiece code

---
 board/src/piece_sets/mailbox.rs | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/board/src/piece_sets/mailbox.rs b/board/src/piece_sets/mailbox.rs
index 0ab8e21..9e562dd 100644
--- a/board/src/piece_sets/mailbox.rs
+++ b/board/src/piece_sets/mailbox.rs
@@ -1,6 +1,6 @@
 // Eryn Wells <eryn@erynwells.me>
 
-use chessfriend_core::{Piece, PlacedPiece, Square};
+use chessfriend_core::{Piece, Square};
 use std::iter::FromIterator;
 
 #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
@@ -22,16 +22,6 @@ impl Mailbox {
     pub fn remove(&mut self, square: Square) {
         self.0[square as usize] = None;
     }
-
-    pub fn iter(&self) -> impl Iterator<Item = PlacedPiece> {
-        self.0
-            .into_iter()
-            .flatten() // Remove the Nones
-            .zip(0u8..) // Enumerate with u8 instead of usize
-            .map(|(piece, index)| {
-                PlacedPiece::new(piece, unsafe { Square::from_index_unchecked(index) })
-            })
-    }
 }
 
 impl Default for Mailbox {
@@ -46,16 +36,6 @@ impl From<[Option<Piece>; Square::NUM]> for Mailbox {
     }
 }
 
-impl FromIterator<PlacedPiece> for Mailbox {
-    fn from_iter<T: IntoIterator<Item = PlacedPiece>>(iter: T) -> Self {
-        iter.into_iter()
-            .fold(Self::new(), |mut mailbox, placed_piece| {
-                mailbox.set(placed_piece.piece(), placed_piece.square);
-                mailbox
-            })
-    }
-}
-
 impl FromIterator<(Square, Piece)> for Mailbox {
     fn from_iter<T: IntoIterator<Item = (Square, Piece)>>(iter: T) -> Self {
         iter.into_iter()