arrow2 0.18.0

Unofficial implementation of Apache Arrow spec in safe Rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

use crate::{
    array::{ArrayAccessor, ArrayValuesIter},
    bitmap::utils::{BitmapIter, ZipValidity},
    offset::Offset,
};

use super::{BinaryArray, MutableBinaryValuesArray};

unsafe impl<'a, O: Offset> ArrayAccessor<'a> for BinaryArray<O> {
    type Item = &'a [u8];

    #[inline]
    unsafe fn value_unchecked(&'a self, index: usize) -> Self::Item {
        self.value_unchecked(index)
    }

    #[inline]
    fn len(&self) -> usize {
        self.len()
    }
}

/// Iterator of values of an [`BinaryArray`].
pub type BinaryValueIter<'a, O> = ArrayValuesIter<'a, BinaryArray<O>>;

impl<'a, O: Offset> IntoIterator for &'a BinaryArray<O> {
    type Item = Option<&'a [u8]>;
    type IntoIter = ZipValidity<&'a [u8], BinaryValueIter<'a, O>, BitmapIter<'a>>;

    fn into_iter(self) -> Self::IntoIter {
        self.iter()
    }
}

/// Iterator of values of an [`MutableBinaryValuesArray`].
pub type MutableBinaryValuesIter<'a, O> = ArrayValuesIter<'a, MutableBinaryValuesArray<O>>;

impl<'a, O: Offset> IntoIterator for &'a MutableBinaryValuesArray<O> {
    type Item = &'a [u8];
    type IntoIter = MutableBinaryValuesIter<'a, O>;

    fn into_iter(self) -> Self::IntoIter {
        self.iter()
    }
}