Remove Display trait from main structs

src/board.rs

@@ -1,4 +1,3 @@
-use std::fmt;
 use u64 as Bitboard;
 
 use crate::attack::{
@@ -139,28 +138,7 @@ impl Default for Board {
     }
 }
 
-impl fmt::Display for Board {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        for piece in &self.white_pieces {
-            writeln!(
-                f,
-                "Color: {:?}\nKind: {:?}\n{piece}",
-                piece.color, piece.kind
-            )?;
-        }
-        writeln!(f)?;
-        for piece in &self.black_pieces {
-            writeln!(
-                f,
-                "Color: {:?}\nKind: {:?}\n{piece}",
-                piece.color, piece.kind
-            )?;
-        }
-        writeln!(f)
-    }
-}
-
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub struct Piece {
     pub bitboard: Bitboard,
     pub kind: Kind,
@@ -177,21 +155,7 @@ impl Piece {
     }
 }
 
-impl fmt::Display for Piece {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        for rank in (0..8).rev() {
-            for file in 0..8 {
-                let square = 1 << (rank * 8 + file);
-                let position = if square & self.bitboard != 0x0 { 1 } else { 0 };
-                write!(f, "{} ", position)?;
-            }
-            writeln!(f)?;
-        }
-        writeln!(f)
-    }
-}
-
-#[derive(Debug, PartialEq, Eq, Copy, Clone)]
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
 pub enum Kind {
     Pawn,
     Knight,

src/game.rs

@@ -79,16 +79,6 @@ impl State {
     }
 }
 
-use std::fmt;
-
-impl fmt::Display for State {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        writeln!(f,
-            "side_to_move: {:?}\ncastling_ability: {:?}\nen_passant_target_square: {:b}\nhalfmove_clock: {}\nfullmove_counter: {}\n",
-            self.side_to_move, self.castling_ability, 1_u64 << self.en_passant_target_square.unwrap_or(0), self.halfmove_clock, self.fullmove_counter)
-    }
-}
-
 impl Default for State {
     fn default() -> Self {
         Self::new()

src/magic.rs

@@ -150,16 +150,13 @@ pub fn init_magic_arrays() {
     for idx in 0..64 {
         let rook_magic_number =
             find_rook_magic_numbers(ROOK_RELEVANT_BITS[idx], 1_u64 << (idx), &mut state);
-        println!("0x{:x},", rook_magic_number);
         unsafe {
             ROOK_MAGIC_INIT[idx] = rook_magic_number;
         }
     }
-    println!("\n\n");
     for idx in 0..64 {
         let bishop_magic_number =
             find_bishop_magic_numbers(BISHOP_RELEVANT_BITS[idx], 1_u64 << (idx), &mut state);
-        println!("0x{:x},", bishop_magic_number);
         unsafe {
             BISHOP_MAGIC_INIT[idx] = bishop_magic_number;
         }