Use IndexVec for coroutine local mapping

2024-07-04 04:52:01 +08:00
parent 2db4ff40af
commit a9194f30eb
2 changed files with 21 additions and 19 deletions
--- a/compiler/rustc_index/src/vec.rs
+++ b/compiler/rustc_index/src/vec.rs
@@ -208,6 +208,11 @@ impl<I: Idx, T> IndexVec<I, Option<T>> {
    pub fn remove(&mut self, index: I) -> Option<T> {
        self.get_mut(index)?.take()
    }
+
+    #[inline]
+    pub fn contains(&self, index: I) -> bool {
+        self.get(index).and_then(Option::as_ref).is_some()
+    }
 }

 impl<I: Idx, T: fmt::Debug> fmt::Debug for IndexVec<I, T> {