Implement board setup

rs/src/main.rs

@@ -25,6 +25,7 @@ impl Color {
     }
 }
 
+#[derive(Clone)]
 struct Position {
     row: Row,
     column: Column,
@@ -203,4 +204,26 @@ impl Piece {
     }
 }
 
+struct Board {
+    state: [[Option<Piece>; Column::ALL_VALUES.len()]; Row::ALL_VALUES.len()],
+}
+
+impl Board {
+    fn set_at(&mut self, position: &Position, piece: Piece) {
+        self.state[position.row.get_index() as usize]
+            [position.column.get_index() as usize] = Some(piece);
+    }
+    fn new() -> Board {
+        let mut board = Board {
+            state: Default::default(),
+        };
+        for piece_type in &[PieceType::Pawn] {
+            for piece in piece_type.initial_setup() {
+                board.set_at(&piece.position.clone(), piece);
+            }
+        }
+        board
+    }
+}
+
 fn main() {}