Use <[T]>::as_chunks{_mut} for exact size chunks#23755
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DavidCrossman wants to merge 3 commits intobevyengine:mainfrom
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Use <[T]>::as_chunks{_mut} for exact size chunks#23755DavidCrossman wants to merge 3 commits intobevyengine:mainfrom
<[T]>::as_chunks{_mut} for exact size chunks#23755DavidCrossman wants to merge 3 commits intobevyengine:mainfrom
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kfc35
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C-Code-Quality
beicause
reviewed
Apr 29, 2026
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| self.try_indices()? | ||
| .iter() | ||
| .collect::<Vec<usize>>() | ||
| .chunks_exact(3) | ||
| .for_each(|face| per_triangle([face[0], face[1], face[2]], positions, &mut normals)); | ||
| .as_chunks() | ||
| .0 | ||
| .iter() | ||
| .for_each(|&faces| per_triangle(faces, positions, &mut normals)); |
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collect::<Vec<usize>>() can be removed.
Suggested change
| self.try_indices()? | |
| .iter() | |
| .collect::<Vec<usize>>() | |
| .chunks_exact(3) | |
| .for_each(|face| per_triangle([face[0], face[1], face[2]], positions, &mut normals)); | |
| .as_chunks() | |
| .0 | |
| .iter() | |
| .for_each(|&faces| per_triangle(faces, positions, &mut normals)); | |
| match self.try_indices()? { | |
| Indices::U16(vec) => vec.as_chunks().0.iter().for_each(|&chunk| { | |
| per_triangle(chunk.map(|i| i as usize), positions, &mut normals) | |
| }), | |
| Indices::U32(vec) => vec.as_chunks().0.iter().for_each(|&chunk| { | |
| per_triangle(chunk.map(|i| i as usize), positions, &mut normals) | |
| }), | |
| } |
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| let iterator = match indices { | ||
| Indices::U16(vec) => FourIterators::First( | ||
| vec.as_slice() | ||
| .chunks_exact(3) | ||
| .flat_map(move |indices| indices_to_triangle(vertices, indices)), | ||
| ), | ||
| Indices::U32(vec) => FourIterators::Second( | ||
| vec.as_slice() | ||
| .chunks_exact(3) | ||
| .flat_map(move |indices| indices_to_triangle(vertices, indices)), | ||
| ), | ||
| }; |
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as_slice().chunks_exact(3) can be replaced with as_chunks::<3>().0
Co-authored-by: Luo Zhihao <luo_zhihao@outlook.com>
beicause
approved these changes
Apr 29, 2026
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Objective
unwraps and bounds checks.Solution
<[T]>::chunks{_mut}and<[T]>::chunks_exact{_mut}where the size is exact with<[T]>::as_chunks{_mut}.Testing
cargo run -p ci -- compile