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2022-04-27 08:51:33 +01:00
parent de1026a67b
commit f697955c1e
8 changed files with 16 additions and 29 deletions
--- a/compiler/rustc_index/src/bit_set.rs
+++ b/compiler/rustc_index/src/bit_set.rs
@@ -1714,7 +1714,7 @@ impl<R: Idx, C: Idx> SparseBitMatrix<R, C> {
    }

    pub fn row(&self, row: R) -> Option<&HybridBitSet<C>> {
-        if let Some(Some(row)) = self.rows.get(row) { Some(row) } else { None }
+        self.rows.get(row)?.as_ref()
    }

    /// Intersects `row` with `set`. `set` can be either `BitSet` or