Fix BitMap::new clippy: Do not create constant for type with interior… (

#22)

* Fix BitMap::new clippy: Do not create constant for type with interior mutability

* Fix bitmap import

* Fix fmt in bitmap.rs

* Fix use of std::array::from_fn in bitmap

src/bitmap.rs

@@ -1,6 +1,9 @@
 use super::{thread_id::get_thread_id, SliceExt};
 
-use std::sync::atomic::{AtomicUsize, Ordering::Relaxed};
+use std::{
+ array,
+ sync::atomic::{AtomicUsize, Ordering::Relaxed},
+};
 
 fn compare_exchange(atomic: &AtomicUsize, curr: usize, new: usize) -> Result<(), usize> {
  atomic
@@ -14,13 +17,7 @@ pub(crate) struct BitMap<const BITARRAY_LEN: usize>([AtomicUsize; BITARRAY_LEN])
 
 impl<const BITARRAY_LEN: usize> BitMap<BITARRAY_LEN> {
  pub(crate) fn new() -> Self {
- // AtomicUsize is not Copyable, rustc suggests workaround
- // by creating a const variable.
-
- #[allow(clippy::declare_interior_mutable_const)]
- const EMPTY_USIZE: AtomicUsize = AtomicUsize::new(0);
-
- Self([EMPTY_USIZE; BITARRAY_LEN])
+ Self(array::from_fn(|_| AtomicUsize::new(0)))
  }
 
  /// # Safety