Moved const to constants.

Author: Jan-Frase

src/backend/constants.rs

@@ -5,6 +5,8 @@
 use crate::backend::types::bitboard::BitBoard;
 use crate::backend::types::square::Square;
 
+pub const STARTING_POS: &str = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
+
 pub const SIDE_LENGTH: i8 = 8;
 pub const SQUARES_AMOUNT: usize = 64;
 
@@ -41,6 +43,7 @@ pub const F2: Square = 13;
 pub const G2: Square = 14;
 pub const H2: Square = 15;
 pub const A7: Square = 48;
+
 pub const B7: Square = 49;
 pub const C7: Square = 50;
 pub const D7: Square = 51;

src/backend/game_state/fen_parser.rs

@@ -6,8 +6,6 @@ use crate::backend::types::piece::{Piece, Side};
 use crate::backend::types::square::Square;
 use crate::backend::types::square::square_from_rank_and_file;
 
-pub const STARTING_POS: &str = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
-
 /// Parses a FEN (Forsyth-Edwards Notation) string and updates the corresponding game game_state.
 /// https://www.chessprogramming.org/Forsyth-Edwards_Notation
 ///