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
46
47
48
49
50

use ndarray::{Array, RcArray, Dimension, ArrayView, ArrayViewMut};

use NdarrayIntoParallelIterator;
use Parallel;

impl<'a, A, D> NdarrayIntoParallelIterator for &'a Array<A, D>
    where D: Dimension,
          A: Sync
{
    type Item = &'a A;
    type Iter = Parallel<ArrayView<'a, A, D>>;
    fn into_par_iter(self) -> Self::Iter {
        self.view().into_par_iter()
    }
}

// This is allowed: goes through `.view()`
impl<'a, A, D> NdarrayIntoParallelIterator for &'a RcArray<A, D>
    where D: Dimension,
          A: Sync
{
    type Item = &'a A;
    type Iter = Parallel<ArrayView<'a, A, D>>;
    fn into_par_iter(self) -> Self::Iter {
        self.view().into_par_iter()
    }
}

impl<'a, A, D> NdarrayIntoParallelIterator for &'a mut Array<A, D>
    where D: Dimension,
          A: Sync + Send
{
    type Item = &'a mut A;
    type Iter = Parallel<ArrayViewMut<'a, A, D>>;
    fn into_par_iter(self) -> Self::Iter {
        self.view_mut().into_par_iter()
    }
}

// This is allowed: goes through `.view_mut()`, which is unique access
impl<'a, A, D> NdarrayIntoParallelIterator for &'a mut RcArray<A, D>
    where D: Dimension,
          A: Sync + Send + Clone,
{
    type Item = &'a mut A;
    type Iter = Parallel<ArrayViewMut<'a, A, D>>;
    fn into_par_iter(self) -> Self::Iter {
        self.view_mut().into_par_iter()
    }
}