IntervalSet: add comment about representation

RalfJung · RalfJung · commit e1407164a9c9 · 2024-09-05T08:21:19.000+02:00
diff --git a/compiler/rustc_index/src/interval.rs b/compiler/rustc_index/src/interval.rs
@@ -17,7 +17,7 @@ mod tests;
 /// first value of the following element.
 #[derive(Debug, Clone)]
 pub struct IntervalSet<I> {
-    // Start, end
+    // Start, end (both inclusive)
     map: SmallVec<[(u32, u32); 4]>,
     domain: usize,
     _data: PhantomData<I>,
