Add serialization to String

rs/src/board.rs

@@ -1,7 +1,7 @@
 use std::collections::HashMap;
 
 #[derive(Clone)]
-enum Color {
+pub enum Color {
     Black,
     White,
 }
@@ -29,8 +29,8 @@ impl Color {
 
 #[derive(PartialEq, Eq, Hash, Clone)]
 pub struct Position {
-    rank: Rank,
-    file: File,
+    pub rank: Rank,
+    pub file: File,
 }
 
 impl Position {
@@ -82,7 +82,7 @@ pub enum File {
     H,
 }
 
-trait GridAxis
+pub trait GridAxis
 where
     Self: Sized,
     Self: Clone,
@@ -174,8 +174,8 @@ impl PieceType {
 }
 
 pub struct Piece {
-    color: Color,
-    piece_type: PieceType,
+    pub color: Color,
+    pub piece_type: PieceType,
 }
 
 impl Piece {