## Coverage Report

#### Created: 2025-08-26 07:03

next uncovered line (L), next uncovered region (R), next uncovered branch (B)

    /Users/andrewlamb/Software/arrow-rs/arrow-data/src/transform/primitive.rs

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    // Licensed to the Apache Software Foundation (ASF) under one
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    // or more contributor license agreements.  See the NOTICE file
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    // distributed with this work for additional information
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    // regarding copyright ownership.  The ASF licenses this file
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    // to you under the Apache License, Version 2.0 (the
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    // "License"); you may not use this file except in compliance
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    // with the License.  You may obtain a copy of the License at
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    //
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    //   http://www.apache.org/licenses/LICENSE-2.0
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    //
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    // Unless required by applicable law or agreed to in writing,
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    // software distributed under the License is distributed on an
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    // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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    // KIND, either express or implied.  See the License for the
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    // specific language governing permissions and limitations
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    // under the License.
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    use crate::ArrayData;
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    use arrow_buffer::ArrowNativeType;
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    use std::mem::size_of;
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    use std::ops::Add;
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    use super::{Extend, _MutableArrayData};
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    pub(super) fn build_extend<T: ArrowNativeType>(array: &ArrayData) -> Extend<'_> {
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        let values = array.buffer::<T>(0);
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        Box::new(
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            move |mutable: &mut _MutableArrayData, _, start: usize, len: usize| {
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                mutable
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                    .buffer1
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                    .extend_from_slice(&values[start..start + len]);
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            },
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        )
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    }
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    pub(super) fn build_extend_with_offset<T>(array: &ArrayData, offset: T) -> Extend<'_>
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    where
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        T: ArrowNativeType + Add<Output = T>,
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    {
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        let values = array.buffer::<T>(0);
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        Box::new(
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            move |mutable: &mut _MutableArrayData, _, start: usize, len: usize| {
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                mutable
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                    .buffer1
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                    .extend(values[start..start + len].iter().map(|x| *x + offset));
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            },
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        )
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    0
    }
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    pub(super) fn extend_nulls<T: ArrowNativeType>(mutable: &mut _MutableArrayData, len: usize) {
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        mutable.buffer1.extend_zeros(len * size_of::<T>());
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    }