mark private functions only used by tests as #[cfg(test)]

Author: DPlayer234

src/lib.rs

@@ -252,6 +252,7 @@ impl SmolBitSet {
         unsafe { self.ptr.as_ptr().add(1) }
     }
 
+    #[cfg(test)]
     #[inline]
     fn as_slice(&self) -> &[BitSliceType] {
         if self.is_inline() {
@@ -266,6 +267,7 @@ impl SmolBitSet {
         unsafe { slice::from_raw_parts(self.data_ptr_unchecked(), self.len_unchecked()) }
     }
 
+    #[cfg(test)]
     #[inline]
     fn as_slice_mut(&mut self) -> &mut [BitSliceType] {
         if self.is_inline() {
@@ -282,6 +284,7 @@ impl SmolBitSet {
 
     /// # Warning
     /// `highest_bit` is 1 indexed, so the least significant bit is 1, not 0!
+    #[cfg(test)]
     #[inline]
     fn spill(&mut self, highest_bit: usize) {
         if !self.is_inline() {