diff --git a/src/bigint.rs b/src/bigint.rs
index 7725d46..6d387e6 100644
--- a/src/bigint.rs
+++ b/src/bigint.rs
@@ -79,5 +79,3 @@ impl From<&SmallUint> for BigUint {
         }
     }
 }
-
-
diff --git a/src/convert.rs b/src/convert.rs
index f64b7dc..46c4f6d 100644
--- a/src/convert.rs
+++ b/src/convert.rs
@@ -1,7 +1,7 @@
-use crate::SmallInt;
-use crate::SmallUint;
-use crate::SmallIntError;
 use crate::smallint::{SmallIntType, SmallUintType};
+use crate::SmallInt;
+use crate::SmallIntError;
+use crate::SmallUint;
 use core::mem::ManuallyDrop;
 
 macro_rules! int_impl {
diff --git a/src/lib.rs b/src/lib.rs
index 2de2b64..3dc823e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -19,8 +19,8 @@ mod error;
 pub use error::SmallIntError;
 
 mod convert;
-mod ops;
 mod logic;
+mod ops;
 
 mod bigint;
 
diff --git a/src/logic.rs b/src/logic.rs
index c678d80..55ecca3 100644
--- a/src/logic.rs
+++ b/src/logic.rs
@@ -1,74 +1,63 @@
-use crate::SmallUint;
 use crate::smallint::SmallUintType;
-use core::ops::{BitAnd, BitOr, BitXor};
+use crate::SmallUint;
 use core::mem::ManuallyDrop;
+use core::ops::{BitAnd, BitOr, BitXor};
 
 macro_rules! basic_op {
     ($imp:ident, $typ:ty, $fun:ident) => {
-
         impl<'a, 'b> $imp<&'a $typ> for &'b $typ {
-
             type Output = $typ;
 
             fn $fun(self, rhs: &$typ) -> Self::Output {
                 $fun(self, rhs)
             }
-
         }
 
         impl<'a> $imp<$typ> for &'a $typ {
-
             type Output = $typ;
 
             fn $fun(self, rhs: $typ) -> Self::Output {
                 self.$fun(&rhs)
             }
-
         }
 
         impl<'a> $imp<&'a $typ> for $typ {
-
             type Output = $typ;
 
             fn $fun(self, rhs: &$typ) -> Self::Output {
                 (&self).$fun(rhs)
             }
-
         }
 
-
         impl $imp<$typ> for $typ {
-
             type Output = $typ;
 
             fn $fun(self, rhs: $typ) -> Self::Output {
                 (&self).$fun(&rhs)
             }
-
         }
-    }
+    };
 }
 
 fn bitand(a: &SmallUint, b: &SmallUint) -> SmallUint {
     match (&a.0, &b.0) {
         (&SmallUintType::Inline(i), &SmallUintType::Inline(j)) => {
             SmallUint(SmallUintType::Inline(i & j))
-        },
+        }
 
-        (&SmallUintType::Inline(i), &SmallUintType::Heap((r, s))) | (&SmallUintType::Heap((r, s)), &SmallUintType::Inline(i)) => {
+        (&SmallUintType::Inline(i), &SmallUintType::Heap((r, s)))
+        | (&SmallUintType::Heap((r, s)), &SmallUintType::Inline(i)) => {
             let slice = unsafe { core::slice::from_raw_parts(r, s) };
             let mut j = 0u128;
             for i in 0..4 {
                 j <<= 32;
 
                 j |= slice[3 - i] as u128;
-
             }
             SmallUint(SmallUintType::Inline(i & j))
-        },
+        }
 
         (&SmallUintType::Heap((r, s)), &SmallUintType::Heap((i, j))) => {
-
             let slice1 = unsafe { core::slice::from_raw_parts(r, s) };
             let slice2 = unsafe { core::slice::from_raw_parts(i, j) };
 
@@ -105,8 +94,9 @@ fn bitor(a: &SmallUint, b: &SmallUint) -> SmallUint {
     match (&a.0, &b.0) {
         (&SmallUintType::Inline(i), &SmallUintType::Inline(j)) => {
             SmallUint(SmallUintType::Inline(i | j))
-        },
-        (&SmallUintType::Inline(i), &SmallUintType::Heap((r, s))) | (&SmallUintType::Heap((r, s)), &SmallUintType::Inline(i)) => {
+        }
+        (&SmallUintType::Inline(i), &SmallUintType::Heap((r, s)))
+        | (&SmallUintType::Heap((r, s)), &SmallUintType::Inline(i)) => {
             let slice = unsafe { core::slice::from_raw_parts(r, s) };
 
             let mut retvec = slice.to_vec();
@@ -122,11 +112,9 @@ fn bitor(a: &SmallUint, b: &SmallUint) -> SmallUint {
             let mut retslice = ManuallyDrop::new(retvec.into_boxed_slice());
 
             SmallUint(SmallUintType::Heap((retslice.as_mut_ptr(), retslice.len())))
-
         }
 
         (&SmallUintType::Heap((r, s)), &SmallUintType::Heap((i, j))) => {
-
             let slice1 = unsafe { core::slice::from_raw_parts(r, s) };
             let slice2 = unsafe { core::slice::from_raw_parts(i, j) };
 
@@ -146,9 +134,7 @@ fn bitor(a: &SmallUint, b: &SmallUint) -> SmallUint {
             let mut slice = ManuallyDrop::new(retvec.into_boxed_slice());
 
             SmallUint(SmallUintType::Heap((slice.as_mut_ptr(), slice.len())))
-
         }
-
     }
 }
 
@@ -159,7 +145,8 @@ fn bitxor(a: &SmallUint, b: &SmallUint) -> SmallUint {
         (&SmallUintType::Inline(i), &SmallUintType::Inline(j)) => {
             SmallUint(SmallUintType::Inline(i ^ j))
         }
-        (&SmallUintType::Inline(i), &SmallUintType::Heap((r, s))) | (&SmallUintType::Heap((r, s)), &SmallUintType::Inline(i)) => {
+        (&SmallUintType::Inline(i), &SmallUintType::Heap((r, s)))
+        | (&SmallUintType::Heap((r, s)), &SmallUintType::Inline(i)) => {
             let slice = unsafe { core::slice::from_raw_parts(r, s) };
 
             let mut retvec = slice.to_vec();
@@ -175,12 +162,9 @@ fn bitxor(a: &SmallUint, b: &SmallUint) -> SmallUint {
             let mut retslice = ManuallyDrop::new(retvec.into_boxed_slice());
 
             SmallUint(SmallUintType::Heap((retslice.as_mut_ptr(), retslice.len())))
-
-
-        },
+        }
 
         (&SmallUintType::Heap((r, s)), &SmallUintType::Heap((i, j))) => {
-
             let slice1 = unsafe { core::slice::from_raw_parts(r, s) };
             let slice2 = unsafe { core::slice::from_raw_parts(i, j) };
 
diff --git a/src/ops.rs b/src/ops.rs
index 7cef35e..5ca074d 100644
--- a/src/ops.rs
+++ b/src/ops.rs
@@ -1,57 +1,45 @@
-use crate::SmallUint;
 use crate::smallint::SmallUintType;
-use core::ops::{Add, Sub, Mul};
+use crate::SmallUint;
 use core::mem::ManuallyDrop;
+use core::ops::{Add, Mul, Sub};
 
 macro_rules! basic_op {
     ($imp:ident, $typ:ty, $fun:ident) => {
-
         impl<'a, 'b> $imp<&'a $typ> for &'b $typ {
-
             type Output = $typ;
 
             fn $fun(self, rhs: &$typ) -> Self::Output {
                 $fun(self, rhs)
             }
-
         }
 
         impl<'a> $imp<$typ> for &'a $typ {
-
             type Output = $typ;
 
             fn $fun(self, rhs: $typ) -> Self::Output {
                 self.$fun(&rhs)
             }
-
         }
 
         impl<'a> $imp<&'a $typ> for $typ {
-
             type Output = $typ;
 
             fn $fun(self, rhs: &$typ) -> Self::Output {
                 (&self).$fun(rhs)
             }
-
         }
 
-
         impl $imp<$typ> for $typ {
-
             type Output = $typ;
 
             fn $fun(self, rhs: $typ) -> Self::Output {
                 (&self).$fun(&rhs)
             }
-
         }
-    }
+    };
 }
 
-
 fn add_two_slices(slice1: &[u32], slice2: &[u32]) -> Vec<u32> {
-
     let s = slice1.len();
     let j = slice2.len();
 
@@ -60,24 +48,14 @@ fn add_two_slices(slice1: &[u32], slice2: &[u32]) -> Vec<u32> {
     let mut carry = false;
 
     for t in 0..larger {
+        let value1 = if t < s { slice1[t] } else { 0 };
 
-        let value1 = if t < s {
-            slice1[t]
-        } else {
-            0
-        };
-
-        let value2 = if t < j {
-            slice2[t]
-        } else {
-            0
-        };
+        let value2 = if t < j { slice2[t] } else { 0 };
 
         let (val, overflow) = value1.overflowing_add(value2);
         let (cval, coverflow) = val.overflowing_add(carry as u32);
         res.push(cval);
         carry = overflow | coverflow;
-
     }
 
     if carry {
@@ -89,32 +67,28 @@ fn add_two_slices(slice1: &[u32], slice2: &[u32]) -> Vec<u32> {
     res
 }
 
-
 fn add(a: &SmallUint, b: &SmallUint) -> SmallUint {
-
     match (&a.0, &b.0) {
-        (&SmallUintType::Inline(i), &SmallUintType::Inline(j)) => {
-            match i.overflowing_add(j) {
-                (t, false) => SmallUint(SmallUintType::Inline(t)),
-                (t, true) => {
-                    let mut res = [0, 0, 0, 0, 1];
+        (&SmallUintType::Inline(i), &SmallUintType::Inline(j)) => match i.overflowing_add(j) {
+            (t, false) => SmallUint(SmallUintType::Inline(t)),
+            (t, true) => {
+                let mut res = [0, 0, 0, 0, 1];
 
-                    let mut v = t;
-                    #[allow(clippy::needless_range_loop)]
-                    for r in 0..4 {
-                        res[r] = v as u32;
-
-                        v >>= 32;
-                    }
-
-                    let mut slice = ManuallyDrop::new(<Box<[u32]>>::from(res));
-
-                    SmallUint(SmallUintType::Heap((slice.as_mut_ptr(), 5)))
+                let mut v = t;
+                #[allow(clippy::needless_range_loop)]
+                for r in 0..4 {
+                    res[r] = v as u32;
 
+                    v >>= 32;
                 }
+
+                let mut slice = ManuallyDrop::new(<Box<[u32]>>::from(res));
+
+                SmallUint(SmallUintType::Heap((slice.as_mut_ptr(), 5)))
             }
         },
-        (&SmallUintType::Heap((r, s)), &SmallUintType::Inline(i)) | (&SmallUintType::Inline(i), &SmallUintType::Heap((r, s))) => {
+        (&SmallUintType::Heap((r, s)), &SmallUintType::Inline(i))
+        | (&SmallUintType::Inline(i), &SmallUintType::Heap((r, s))) => {
             let slice1 = unsafe { core::slice::from_raw_parts(r, s) };
 
             let mut res = [0, 0, 0, 0];
@@ -133,11 +107,8 @@ fn add(a: &SmallUint, b: &SmallUint) -> SmallUint {
             let mut slice = ManuallyDrop::new(result.into_boxed_slice());
 
             SmallUint(SmallUintType::Heap((slice.as_mut_ptr(), size)))
-
-
-        },
+        }
         (&SmallUintType::Heap((r, s)), &SmallUintType::Heap((i, j))) => {
-
             let slice1 = unsafe { core::slice::from_raw_parts(r, s) };
             let slice2 = unsafe { core::slice::from_raw_parts(i, j) };
 
@@ -147,7 +118,6 @@ fn add(a: &SmallUint, b: &SmallUint) -> SmallUint {
             let mut slice = ManuallyDrop::new(res.into_boxed_slice());
 
             SmallUint(SmallUintType::Heap((slice.as_mut_ptr(), size)))
-
         }
     }
 }
@@ -168,11 +138,7 @@ fn sub_two_slices(slice1: &[u32], slice2: &[u32]) -> Vec<u32> {
     for i in 0..b {
         let mut value1 = slice1[i];
 
-        let value2 = if i < s {
-            slice2[i]
-        } else {
-            0
-        };
+        let value2 = if i < s { slice2[i] } else { 0 };
 
         if borrow {
             let (temp, b) = value1.overflowing_sub(1);
@@ -186,7 +152,6 @@ fn sub_two_slices(slice1: &[u32], slice2: &[u32]) -> Vec<u32> {
 
         let val = value1.wrapping_sub(value2);
         res.push(val);
-
     }
 
     if borrow {
@@ -194,11 +159,9 @@ fn sub_two_slices(slice1: &[u32], slice2: &[u32]) -> Vec<u32> {
     }
 
     res
-
 }
 
 fn sub(a: &SmallUint, b: &SmallUint) -> SmallUint {
-
     match (&a.0, &b.0) {
         (&SmallUintType::Inline(i), &SmallUintType::Inline(j)) => {
             if let (t, false) = i.overflowing_sub(j) {
@@ -206,7 +169,7 @@ fn sub(a: &SmallUint, b: &SmallUint) -> SmallUint {
             } else {
                 panic!("First number is smaller than second. ");
             }
-        },
+        }
         (&SmallUintType::Heap((r, s)), &SmallUintType::Inline(i)) => {
             let slice1 = unsafe { core::slice::from_raw_parts(r, s) };
 
@@ -226,15 +189,11 @@ fn sub(a: &SmallUint, b: &SmallUint) -> SmallUint {
             let mut slice = ManuallyDrop::new(result.into_boxed_slice());
 
             SmallUint(SmallUintType::Heap((slice.as_mut_ptr(), size)))
-
-
-        },
+        }
         (&SmallUintType::Inline(_), &SmallUintType::Heap((_, _))) => {
             panic!("First number is smaller than second. ");
-
-        },
+        }
         (&SmallUintType::Heap((r, s)), &SmallUintType::Heap((i, j))) => {
-
             let slice1 = unsafe { core::slice::from_raw_parts(r, s) };
             let slice2 = unsafe { core::slice::from_raw_parts(i, j) };
 
@@ -244,7 +203,6 @@ fn sub(a: &SmallUint, b: &SmallUint) -> SmallUint {
             let mut slice = ManuallyDrop::new(res.into_boxed_slice());
 
             SmallUint(SmallUintType::Heap((slice.as_mut_ptr(), size)))
-
         }
     }
 }
@@ -288,13 +246,11 @@ const fn carrying_mul_u128(lhs: u128, rhs: u128, carry: u128) -> (u128, u128) {
 }
 
 fn mul_two_slices(slice1: &[u32], slice2: &[u32]) -> Vec<u32> {
-
     // https://en.wikipedia.org/wiki/Karatsuba_algorithm
 
     let l1 = slice1.len();
     let l2 = slice2.len();
 
-
     if l1 == 0 || l2 == 0 {
         return vec![];
     } else if l1 == 1 {
@@ -308,8 +264,7 @@ fn mul_two_slices(slice1: &[u32], slice2: &[u32]) -> Vec<u32> {
             let m = r as u32;
             overflow = (r >> 32) as u32;
             res.push(m);
-
-        } 
+        }
 
         if overflow != 0 {
             res.push(overflow);
@@ -317,7 +272,6 @@ fn mul_two_slices(slice1: &[u32], slice2: &[u32]) -> Vec<u32> {
 
         return res;
     } else if l2 == 1 {
-
         let mut overflow = 0;
         let mut res: Vec<u32> = Vec::with_capacity(l2 + 1);
 
@@ -328,7 +282,6 @@ fn mul_two_slices(slice1: &[u32], slice2: &[u32]) -> Vec<u32> {
             let m = r as u32;
             overflow = (r >> 32) as u32;
             res.push(m);
-
         }
 
         if overflow != 0 {
@@ -356,8 +309,6 @@ fn mul_two_slices(slice1: &[u32], slice2: &[u32]) -> Vec<u32> {
 
     op0.reverse();
 
-
-
     let mut op1 = sub_two_slices(&sub_two_slices(&z1, &z2), &z0);
 
     op1.reverse();
@@ -367,10 +318,8 @@ fn mul_two_slices(slice1: &[u32], slice2: &[u32]) -> Vec<u32> {
     op1.reverse();
 
     add_two_slices(&add_two_slices(&op0, &op1), &z0)
-
 }
 
-
 fn mul(a: &SmallUint, b: &SmallUint) -> SmallUint {
     match (&a.0, &b.0) {
         (&SmallUintType::Inline(i), &SmallUintType::Inline(j)) => {
@@ -403,12 +352,12 @@ fn mul(a: &SmallUint, b: &SmallUint) -> SmallUint {
                     let mut slice = ManuallyDrop::new(res.into_boxed_slice());
 
                     SmallUint(SmallUintType::Heap((slice.as_mut_ptr(), size)))
-
                 }
             }
-        },
+        }
 
-        (&SmallUintType::Heap((r, s)), &SmallUintType::Inline(i)) | (&SmallUintType::Inline(i), &SmallUintType::Heap((r, s))) => {
+        (&SmallUintType::Heap((r, s)), &SmallUintType::Inline(i))
+        | (&SmallUintType::Inline(i), &SmallUintType::Heap((r, s))) => {
             let slice1 = unsafe { core::slice::from_raw_parts(r, s) };
 
             let mut res = [0, 0, 0, 0];
@@ -427,12 +376,9 @@ fn mul(a: &SmallUint, b: &SmallUint) -> SmallUint {
             let mut slice = ManuallyDrop::new(result.into_boxed_slice());
 
             SmallUint(SmallUintType::Heap((slice.as_mut_ptr(), size)))
-
-
-        },
+        }
 
         (&SmallUintType::Heap((r, s)), &SmallUintType::Heap((i, j))) => {
-
             let slice1 = unsafe { core::slice::from_raw_parts(r, s) };
             let slice2 = unsafe { core::slice::from_raw_parts(i, j) };
 
@@ -442,10 +388,8 @@ fn mul(a: &SmallUint, b: &SmallUint) -> SmallUint {
             let mut slice = ManuallyDrop::new(res.into_boxed_slice());
 
             SmallUint(SmallUintType::Heap((slice.as_mut_ptr(), size)))
-
         }
     }
 }
 
 basic_op!(Mul, SmallUint, mul);
-
diff --git a/src/pretty.rs b/src/pretty.rs
index be22ad9..c3a1d35 100644
--- a/src/pretty.rs
+++ b/src/pretty.rs
@@ -1,11 +1,9 @@
 use crate::SmallInt;
 use crate::SmallUint;
 
-
-#[cfg(feature= "num-bigint")]
+#[cfg(feature = "num-bigint")]
 use num_bigint::{BigInt, BigUint};
 
-
 #[cfg(feature = "num-bigint")]
 impl core::fmt::Debug for SmallInt {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
@@ -19,4 +17,3 @@ impl core::fmt::Debug for SmallUint {
         write!(f, "{}", BigUint::from(self))
     }
 }
-
diff --git a/src/smallint.rs b/src/smallint.rs
index dabff1e..74078d6 100644
--- a/src/smallint.rs
+++ b/src/smallint.rs
@@ -1,4 +1,3 @@
-
 /// An integer-like type that will store small integers up to `i128` inline. Larger integers are
 /// represented as a slice to a sequence of base 2<sup>32</sup> digits represented as a `*mut u32`.
 #[derive(Clone, PartialEq, Eq)]
@@ -21,7 +20,6 @@ pub enum SmallUintType {
     Heap((*mut u32, usize)),
 }
 
-
 impl Drop for SmallInt {
     fn drop(&mut self) {
         if let Self(SmallIntType::Heap((r, s))) = self {
@@ -40,4 +38,3 @@ impl Drop for SmallUint {
         }
     }
 }
-
diff --git a/src/tests.rs b/src/tests.rs
index e75196d..cac0569 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -4,7 +4,7 @@ use crate::SmallInt;
 use crate::SmallUint;
 
 #[cfg(feature = "num-bigint")]
-use num_bigint::{BigInt, Sign, BigUint};
+use num_bigint::{BigInt, BigUint, Sign};
 
 macro_rules! conversion_tests {
     ($t:ty, $i:ident) => {
@@ -43,12 +43,18 @@ fn test_op_add_u_u() {
     let i = SmallUint::from(u128::MAX);
     let k = SmallUint::from(&BigUint::new(vec![5, 4, 9, 3, 1, 81]));
     let q = i + k;
-    assert_eq!(BigUint::from(&q), BigUint::new(vec![5, 4, 9, 3, 1, 81]) + u128::MAX);
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::new(vec![5, 4, 9, 3, 1, 81]) + u128::MAX
+    );
 
     let i = SmallUint::from(&BigUint::new(vec![3, 9, 8, 3, 1]));
     let k = SmallUint::from(&BigUint::new(vec![5, 4, 9, 3, 1, 81]));
     let q = i + k;
-    assert_eq!(BigUint::from(&q), BigUint::new(vec![3, 9, 8, 3, 1]) + BigUint::new(vec![5, 4, 9, 3, 1, 81]));
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::new(vec![3, 9, 8, 3, 1]) + BigUint::new(vec![5, 4, 9, 3, 1, 81])
+    );
 }
 
 #[test]
@@ -59,17 +65,21 @@ fn test_op_mul_u_u() {
     let q = i * k;
     assert_eq!(BigUint::from(&q), BigUint::from(u128::MAX) * u128::MAX);
 
-
     let i = SmallUint::from(u32::MAX);
     let k = SmallUint::from(&BigUint::new(vec![5, 4, 9, 3, 1, 81]));
     let q = i * k;
-    assert_eq!(BigUint::from(&q), BigUint::new(vec![5, 4, 9, 3, 1, 81]) * u32::MAX);
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::new(vec![5, 4, 9, 3, 1, 81]) * u32::MAX
+    );
 
     let i = SmallUint::from(&BigUint::new(vec![3, 9, 8, 3, 1]));
     let k = SmallUint::from(&BigUint::new(vec![5, 4, 9, 3, 1, 81]));
     let q = i * k;
-    assert_eq!(BigUint::from(&q), BigUint::new(vec![3, 9, 8, 3, 1]) * BigUint::new(vec![5, 4, 9, 3, 1, 81]));
-
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::new(vec![3, 9, 8, 3, 1]) * BigUint::new(vec![5, 4, 9, 3, 1, 81])
+    );
 }
 
 #[test]
@@ -83,54 +93,74 @@ fn test_op_sub_u_u() {
     let k = SmallUint::from(&BigUint::new(vec![5, 4, 9, 3, 1, 81]));
     let i = SmallUint::from(u128::MAX);
     let q = k - i;
-    assert_eq!(BigUint::from(&q), BigUint::new(vec![5, 4, 9, 3, 1, 81]) - u128::MAX);
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::new(vec![5, 4, 9, 3, 1, 81]) - u128::MAX
+    );
 
     let k = SmallUint::from(&BigUint::new(vec![5, 4, 9, 3, 1, 81]));
     let i = SmallUint::from(&BigUint::new(vec![3, 9, 8, 3, 1]));
     let q = k - i;
-    assert_eq!(BigUint::from(&q), BigUint::new(vec![5, 4, 9, 3, 1, 81]) - BigUint::new(vec![3, 9, 8, 3, 1]));
-
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::new(vec![5, 4, 9, 3, 1, 81]) - BigUint::new(vec![3, 9, 8, 3, 1])
+    );
 }
 
-
 #[test]
 #[cfg(feature = "num-bigint")]
 fn test_op_and_u_u() {
     let i = SmallUint::from(u128::MAX);
     let k = SmallUint::from(u128::MAX);
     let q = i & k;
-    assert_eq!(BigUint::from(&q), BigUint::from(u128::MAX) & BigUint::from(u128::MAX));
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::from(u128::MAX) & BigUint::from(u128::MAX)
+    );
 
     let k = SmallUint::from(&BigUint::new(vec![5, 4, 9, 3, 1, 81]));
     let i = SmallUint::from(u128::MAX);
     let q = k & i;
-    assert_eq!(BigUint::from(&q), BigUint::new(vec![5, 4, 9, 3]) & BigUint::from(u128::MAX));
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::new(vec![5, 4, 9, 3]) & BigUint::from(u128::MAX)
+    );
 
     let k = SmallUint::from(&BigUint::new(vec![5, 4, 9, 3, 1, 81]));
     let i = SmallUint::from(&BigUint::new(vec![3, 9, 8, 3, 1]));
     let q = k & i;
-    assert_eq!(BigUint::from(&q), BigUint::new(vec![5, 4, 9, 3, 1, 81]) & BigUint::new(vec![3, 9, 8, 3, 1]));
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::new(vec![5, 4, 9, 3, 1, 81]) & BigUint::new(vec![3, 9, 8, 3, 1])
+    );
 }
 
-
 #[test]
 #[cfg(feature = "num-bigint")]
 fn test_op_or_u_u() {
     let i = SmallUint::from(u128::MAX);
     let k = SmallUint::from(u128::MAX);
     let q = i | k;
-    assert_eq!(BigUint::from(&q), BigUint::from(u128::MAX) | BigUint::from(u128::MAX));
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::from(u128::MAX) | BigUint::from(u128::MAX)
+    );
 
     let k = SmallUint::from(&BigUint::new(vec![5, 4, 9, 3, 1, 81]));
     let i = SmallUint::from(u128::MAX);
     let q = k | i;
-    assert_eq!(BigUint::from(&q), BigUint::new(vec![5, 4, 9, 3, 1, 81]) | BigUint::from(u128::MAX));
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::new(vec![5, 4, 9, 3, 1, 81]) | BigUint::from(u128::MAX)
+    );
 
     let k = SmallUint::from(&BigUint::new(vec![5, 4, 9, 3, 1, 81]));
     let i = SmallUint::from(&BigUint::new(vec![3, 9, 8, 3, 1]));
     let q = k | i;
-    assert_eq!(BigUint::from(&q), BigUint::new(vec![5, 4, 9, 3, 1, 81]) | BigUint::new(vec![3, 9, 8, 3, 1]));
-
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::new(vec![5, 4, 9, 3, 1, 81]) | BigUint::new(vec![3, 9, 8, 3, 1])
+    );
 }
 
 #[test]
@@ -139,21 +169,28 @@ fn test_op_xor_u_u() {
     let i = SmallUint::from(u128::MAX);
     let k = SmallUint::from(u128::MAX);
     let q = i ^ k;
-    assert_eq!(BigUint::from(&q), BigUint::from(u128::MAX) ^ BigUint::from(u128::MAX));
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::from(u128::MAX) ^ BigUint::from(u128::MAX)
+    );
 
     let k = SmallUint::from(&BigUint::new(vec![5, 4, 9, 3, 1, 81]));
     let i = SmallUint::from(u128::MAX);
     let q = k ^ i;
-    assert_eq!(BigUint::from(&q), BigUint::new(vec![5, 4, 9, 3, 1, 81]) ^ BigUint::from(u128::MAX));
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::new(vec![5, 4, 9, 3, 1, 81]) ^ BigUint::from(u128::MAX)
+    );
 
     let k = SmallUint::from(&BigUint::new(vec![5, 4, 9, 3, 1, 81]));
     let i = SmallUint::from(&BigUint::new(vec![3, 9, 8, 3, 1]));
     let q = k ^ i;
-    assert_eq!(BigUint::from(&q), BigUint::new(vec![5, 4, 9, 3, 1, 81]) ^ BigUint::new(vec![3, 9, 8, 3, 1]));
-
+    assert_eq!(
+        BigUint::from(&q),
+        BigUint::new(vec![5, 4, 9, 3, 1, 81]) ^ BigUint::new(vec![3, 9, 8, 3, 1])
+    );
 }
 
-
 #[test]
 #[cfg(feature = "num-bigint")]
 fn test_bigint() {