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vortex_array/arrays/masked/compute/
slice.rs

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: Copyright the Vortex contributors
3
4use std::ops::Range;
5
6use vortex_error::VortexResult;
7
8use crate::ArrayRef;
9use crate::IntoArray;
10use crate::array::ArrayView;
11use crate::arrays::Masked;
12use crate::arrays::MaskedArray;
13use crate::arrays::masked::MaskedArrayExt;
14use crate::arrays::slice::SliceReduce;
15
16impl SliceReduce for Masked {
17    fn slice(array: ArrayView<'_, Self>, range: Range<usize>) -> VortexResult<Option<ArrayRef>> {
18        let child = array.child().slice(range.clone())?;
19        let validity = array.validity()?.slice(range)?;
20
21        Ok(Some(MaskedArray::try_new(child, validity)?.into_array()))
22    }
23}