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Remove unused method DroplessArena::contains_slice #151908

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Merged
rust-bors merged 1 commit into from
Jan 31, 2026
+0 −13
Merged

Remove unused method DroplessArena::contains_slice #151908

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13 changes: 0 additions & 13 deletions compiler/rustc_arena/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -510,19 +510,6 @@ impl DroplessArena {
}
}

/// Used by `Lift` to check whether this slice is allocated
/// in this arena.
#[inline]
pub fn contains_slice<T>(&self, slice: &[T]) -> bool {
for chunk in self.chunks.borrow_mut().iter_mut() {
let ptr = slice.as_ptr().cast::<u8>().cast_mut();
if chunk.start() <= ptr && chunk.end() >= ptr {
return true;
}
}
false
}

/// Allocates a string slice that is copied into the `DroplessArena`, returning a
/// reference to it. Will panic if passed an empty string.
///
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