boolean expression can be simplified

Author: AntoineSebert

src/structures/paging/frame.rs

@@ -118,7 +118,7 @@ impl<S: PageSize> PhysFrameRange<S> {
     /// Returns whether the range contains no frames.
     #[inline]
     pub fn is_empty(&self) -> bool {
-        !(self.start < self.end)
+        self.start >= self.end
     }
 }
 
@@ -159,7 +159,7 @@ impl<S: PageSize> PhysFrameRangeInclusive<S> {
     /// Returns whether the range contains no frames.
     #[inline]
     pub fn is_empty(&self) -> bool {
-        !(self.start <= self.end)
+        self.start >= self.end
     }
 }
 

src/structures/paging/page.rs

@@ -249,7 +249,7 @@ pub struct PageRange<S: PageSize = Size4KiB> {
 impl<S: PageSize> PageRange<S> {
     /// Returns wether this range contains no pages.
     pub fn is_empty(&self) -> bool {
-        !(self.start < self.end)
+        self.start >= self.end
     }
 }
 
@@ -300,7 +300,7 @@ pub struct PageRangeInclusive<S: PageSize = Size4KiB> {
 impl<S: PageSize> PageRangeInclusive<S> {
     /// Returns wether this range contains no pages.
     pub fn is_empty(&self) -> bool {
-        !(self.start <= self.end)
+        self.start >= self.end
     }
 }