add safety comments in benche/index.rs

Centril · Centril · commit 3acf683aa094 · 2026-01-21T19:18:35.000Z
diff --git a/crates/bench/benches/index.rs b/crates/bench/benches/index.rs
@@ -184,6 +184,7 @@ impl Index for IBTree {
         Self(<_>::default())
     }
     fn insert(&mut self, key: K, val: RowPointer) -> Result<(), RowPointer> {
+        // SAFETY: we never insert `(key, val)` twice in benchmarks.
         unsafe { self.0.insert(key, val) }
     }
     fn seek(&self, key: K) -> impl Iterator<Item = RowPointer> {
@@ -250,6 +251,7 @@ impl Index for IDirectIndex {
         Self(<_>::default())
     }
     fn insert(&mut self, key: K, val: RowPointer) -> Result<(), RowPointer> {
+        // SAFETY: we never insert `(key, val)` twice in benchmarks.
         unsafe { self.0.insert(key, val) }
     }
     fn seek(&self, key: K) -> impl Iterator<Item = RowPointer> {

Original file line number	Diff line number	Diff line change
`@@ -184,6 +184,7 @@ impl Index for IBTree {`
`184`	`184`	`Self(<_>::default())`
`185`	`185`	`}`
`186`	`186`	`fn insert(&mut self, key: K, val: RowPointer) -> Result<(), RowPointer> {`
	`187`	+ // SAFETY: we never insert `(key, val)` twice in benchmarks.
`187`	`188`	`unsafe { self.0.insert(key, val) }`
`188`	`189`	`}`
`189`	`190`	`fn seek(&self, key: K) -> impl Iterator<Item = RowPointer> {`
`@@ -250,6 +251,7 @@ impl Index for IDirectIndex {`
`250`	`251`	`Self(<_>::default())`
`251`	`252`	`}`
`252`	`253`	`fn insert(&mut self, key: K, val: RowPointer) -> Result<(), RowPointer> {`
	`254`	+ // SAFETY: we never insert `(key, val)` twice in benchmarks.
`253`	`255`	`unsafe { self.0.insert(key, val) }`
`254`	`256`	`}`
`255`	`257`	`fn seek(&self, key: K) -> impl Iterator<Item = RowPointer> {`