3 files changed, 25 insertions, 20 deletions
diff --git a/src/bitboard.rs b/src/bitboard.rs
index a4b54e5..4a1ef50 100644
--- a/src/bitboard.rs
+++ b/src/bitboard.rs
@@ -35,19 +35,6 @@ pub fn bitscan(bb: Bitboard) -> u8 {
     pop_count(bb - 1)
 }
 
-/// Aliases to board square indexes
-#[allow(dead_code)]
-enum Square {
-  A1, B1, C1, D1, E1, F1, G1, H1,
-  A2, B2, C2, D2, E2, F2, G2, H2,
-  A3, B3, C3, D3, E3, F3, G3, H3,
-  A4, B4, C4, D4, E4, F4, G4, H4,
-  A5, B5, C5, D5, E5, F5, G5, H5,
-  A6, B6, C6, D6, E6, F6, G6, H6,
-  A7, B7, C7, D7, E7, F7, G7, H7,
-  A8, B8, C8, D8, E8, F8, G8, H8,
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -77,12 +64,5 @@ mod tests {
     fn test_bitscan_with_non_single_bb() {
         bitscan(5);
     }
-
-    #[test]
-    fn test_square_enum() {
-        assert_eq!(Square::A1 as u8, 0);
-        assert_eq!(Square::F1 as u8, 5);
-        assert_eq!(Square::H8 as u8, 63);
-    }
 }
 
diff --git a/src/board.rs b/src/board.rs
new file mode 100644
index 0000000..c190c52
--- /dev/null
+++ b/src/board.rs
@@ -0,0 +1,24 @@
+/// Aliases to board square indexes
+#[allow(dead_code)]
+enum Square {
+  A1, B1, C1, D1, E1, F1, G1, H1,
+  A2, B2, C2, D2, E2, F2, G2, H2,
+  A3, B3, C3, D3, E3, F3, G3, H3,
+  A4, B4, C4, D4, E4, F4, G4, H4,
+  A5, B5, C5, D5, E5, F5, G5, H5,
+  A6, B6, C6, D6, E6, F6, G6, H6,
+  A7, B7, C7, D7, E7, F7, G7, H7,
+  A8, B8, C8, D8, E8, F8, G8, H8,
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_square_enum() {
+        assert_eq!(Square::A1 as u8, 0);
+        assert_eq!(Square::F1 as u8, 5);
+        assert_eq!(Square::H8 as u8, 63);
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index 3555c81..11ac972 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,5 @@
 mod bitboard;
+mod board;
 
 fn main() {
     println!("Hello, world!");