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vortex_array/arrays/slice/
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::Slice;
12use crate::arrays::SliceArray;
13use crate::arrays::slice::SliceArrayExt;
14use crate::arrays::slice::SliceReduce;
15
16impl SliceReduce for Slice {
17    fn slice(array: ArrayView<'_, Self>, range: Range<usize>) -> VortexResult<Option<ArrayRef>> {
18        let inner_range = array.slice_range();
19
20        let combined_start = inner_range.start + range.start;
21        let combined_end = inner_range.start + range.end;
22
23        Ok(Some(
24            SliceArray::new(array.child().clone(), combined_start..combined_end).into_array(),
25        ))
26    }
27}