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vortex_fastlanes/for/vtable/
slice.rs

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: Copyright the Vortex contributors
3
4use std::ops::Range;
5
6use vortex_array::ArrayRef;
7use vortex_array::ArrayView;
8use vortex_array::IntoArray;
9use vortex_array::arrays::slice::SliceReduce;
10use vortex_error::VortexResult;
11
12use crate::FoR;
13use crate::r#for::array::FoRArrayExt;
14use crate::r#for::array::FoRArraySlotsExt;
15
16impl SliceReduce for FoR {
17    fn slice(array: ArrayView<'_, Self>, range: Range<usize>) -> VortexResult<Option<ArrayRef>> {
18        Ok(Some(
19            FoR::try_new(
20                array.encoded().slice(range)?,
21                array.reference_scalar().clone(),
22            )?
23            .into_array(),
24        ))
25    }
26}