make DirEntry Ord

src/dir_entry.rs

@@ -16,6 +16,7 @@ pub struct DirEntry {
 }
 
 impl DirEntry {
+    #[inline]
     pub fn normal(e: ignore::DirEntry) -> Self {
         Self {
             inner: DirEntryInner::Normal(e),
@@ -67,3 +68,25 @@ impl DirEntry {
         }
     }
 }
+
+impl PartialEq for DirEntry {
+    #[inline]
+    fn eq(&self, other: &Self) -> bool {
+        self.path() == other.path()
+    }
+}
+impl Eq for DirEntry {}
+
+impl PartialOrd for DirEntry {
+    #[inline]
+    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
+        self.path().partial_cmp(other.path())
+    }
+}
+
+impl Ord for DirEntry {
+    #[inline]
+    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
+        self.path().cmp(other.path())
+    }
+}

src/walk.rs

@@ -310,7 +310,7 @@ impl<W: Write> ReceiverBuffer<W> {
     /// Stop looping.
     fn stop(&mut self) -> Result<(), ExitCode> {
         if self.mode == ReceiverMode::Buffering {
-            self.buffer.sort_by(|e1, e2| e1.path().cmp(e2.path()));
+            self.buffer.sort();
             self.stream()?;
         }