polars_arrow/array/boolean/
iterator.rs

1use super::super::MutableArray;
2use super::{BooleanArray, MutableBooleanArray};
3use crate::array::ArrayAccessor;
4use crate::bitmap::utils::{BitmapIter, ZipValidity};
5use crate::bitmap::IntoIter;
6
7impl<'a> IntoIterator for &'a BooleanArray {
8    type Item = Option<bool>;
9    type IntoIter = ZipValidity<bool, BitmapIter<'a>, BitmapIter<'a>>;
10
11    #[inline]
12    fn into_iter(self) -> Self::IntoIter {
13        self.iter()
14    }
15}
16
17impl IntoIterator for BooleanArray {
18    type Item = Option<bool>;
19    type IntoIter = ZipValidity<bool, IntoIter, IntoIter>;
20
21    #[inline]
22    fn into_iter(self) -> Self::IntoIter {
23        let (_, values, validity) = self.into_inner();
24        let values = values.into_iter();
25        let validity =
26            validity.and_then(|validity| (validity.unset_bits() > 0).then(|| validity.into_iter()));
27        ZipValidity::new(values, validity)
28    }
29}
30
31impl<'a> IntoIterator for &'a MutableBooleanArray {
32    type Item = Option<bool>;
33    type IntoIter = ZipValidity<bool, BitmapIter<'a>, BitmapIter<'a>>;
34
35    #[inline]
36    fn into_iter(self) -> Self::IntoIter {
37        self.iter()
38    }
39}
40
41impl<'a> MutableBooleanArray {
42    /// Returns an iterator over the optional values of this [`MutableBooleanArray`].
43    #[inline]
44    pub fn iter(&'a self) -> ZipValidity<bool, BitmapIter<'a>, BitmapIter<'a>> {
45        ZipValidity::new(
46            self.values().iter(),
47            self.validity().as_ref().map(|x| x.iter()),
48        )
49    }
50
51    /// Returns an iterator over the values of this [`MutableBooleanArray`]
52    #[inline]
53    pub fn values_iter(&'a self) -> BitmapIter<'a> {
54        self.values().iter()
55    }
56}
57
58unsafe impl<'a> ArrayAccessor<'a> for BooleanArray {
59    type Item = bool;
60
61    #[inline]
62    unsafe fn value_unchecked(&'a self, index: usize) -> Self::Item {
63        (*self).value_unchecked(index)
64    }
65
66    #[inline]
67    fn len(&self) -> usize {
68        (*self).len()
69    }
70}
polars_arrow/array/boolean/iterator.rs

polars_arrow/array/boolean/
iterator.rs
