From c02f0170b90c9238c01fa21a08b7493863acc41a Mon Sep 17 00:00:00 2001
From: Eryn Wells <eryn@erynwells.me>
Date: Fri, 23 May 2025 18:38:15 -0700
Subject: [PATCH] [bitboard] Export the bit_scanner module

Clients can access TrailingBitScanner and LeadingBitScanner directly now.
---
 bitboard/src/bit_scanner.rs | 6 +++---
 bitboard/src/lib.rs         | 3 ++-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/bitboard/src/bit_scanner.rs b/bitboard/src/bit_scanner.rs
index 7287d27..b708fdd 100644
--- a/bitboard/src/bit_scanner.rs
+++ b/bitboard/src/bit_scanner.rs
@@ -20,7 +20,7 @@ macro_rules! bit_scanner {
 bit_scanner!(LeadingBitScanner);
 bit_scanner!(TrailingBitScanner);
 
-fn _index_to_square(index: usize) -> Square {
+fn index_to_square(index: usize) -> Square {
     unsafe {
         #[allow(clippy::cast_possible_truncation)]
         Square::from_index_unchecked(index as u8)
@@ -49,7 +49,7 @@ impl Iterator for LeadingBitScanner {
         // Shift 1 additional place to account for the 1 that `leading_zeros` found.
         self.shift += leading_zeros + 1;
 
-        Some(_index_to_square(position))
+        Some(index_to_square(position))
     }
 }
 
@@ -75,7 +75,7 @@ impl Iterator for TrailingBitScanner {
         // Shift 1 additional place to account for the 1 that `leading_zeros` found.
         self.shift += trailing_zeros + 1;
 
-        Some(_index_to_square(position))
+        Some(index_to_square(position))
     }
 }
 
diff --git a/bitboard/src/lib.rs b/bitboard/src/lib.rs
index 983f65e..798e51b 100644
--- a/bitboard/src/lib.rs
+++ b/bitboard/src/lib.rs
@@ -1,6 +1,7 @@
 // Eryn Wells <eryn@erynwells.me>
 
-mod bit_scanner;
+pub mod bit_scanner;
+
 mod bitboard;
 mod direction;
 mod library;