Replace if let with match where appropriate

crates/tt/src/buffer.rs

@@ -205,10 +205,9 @@ impl<'a> Cursor<'a> {
     /// Bump the cursor
     pub fn bump(self) -> Cursor<'a> {
         if let Some(Entry::End(exit)) = self.buffer.entry(&self.ptr) {
-            if let Some(exit) = exit {
-                Cursor::create(self.buffer, *exit)
-            } else {
-                self
+            match exit {
+                Some(exit) => Cursor::create(self.buffer, *exit),
+                None => self,
             }
         } else {
             Cursor::create(self.buffer, EntryPtr(self.ptr.0, self.ptr.1 + 1))