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vortex_array/arrays/extension/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::Extension;
12use crate::arrays::ExtensionArray;
13use crate::arrays::extension::ExtensionArrayExt;
14use crate::arrays::slice::SliceReduce;
15
16impl SliceReduce for Extension {
17    fn slice(array: ArrayView<'_, Self>, range: Range<usize>) -> VortexResult<Option<ArrayRef>> {
18        Ok(Some(
19            ExtensionArray::new(
20                array.ext_dtype().clone(),
21                array.storage_array().slice(range)?,
22            )
23            .into_array(),
24        ))
25    }
26}