Clean for clippy

src/lib.rs

@@ -47,6 +47,12 @@ where
     pub fn allocate_range(&mut self, length: T) -> Result<Range<T>, RangeAllocationError<T>> {
         assert_ne!(length + length, length);
         let mut best_fit: Option<(usize, Range<T>)> = None;
+
+        // This is actually correct. With the trait bound as it is, we have
+        // no way to summon a value of 0 directly, so we make one by subtracting
+        // something from itself. Once the trait bound can be changed, this can
+        // be fixed.
+        #[allow(clippy::eq_op)]
         let mut fragmented_free_length = length - length;
         for (index, range) in self.free_ranges.iter().cloned().enumerate() {
             let range_length = range.end - range.start;
@@ -133,7 +139,7 @@ where
     }
 
     /// Returns an iterator over allocated non-empty ranges
-    pub fn allocated_ranges<'a>(&'a self) -> impl 'a + Iterator<Item = Range<T>> {
+    pub fn allocated_ranges(&self) -> impl Iterator<Item = Range<T>> + '_ {
         let first = match self.free_ranges.first() {
             Some(Range { ref start, .. }) if *start > self.initial_range.start => {
                 Some(self.initial_range.start..*start)