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
51
52
53
54
55
56
57
58
59
60
use core::ops::Neg;
use super::ArrayMapAssign;
#[const_trait]
pub trait ArrayNegAssign<T, const N: usize>: ArrayMapAssign<T, N>
{
/// Applies the [`-`](core::ops::Neg) operator on all elements, in-place.
///
/// # Examples
///
/// ```rust
/// use array__ops::ops::*;
///
/// let mut a = [0, 1, 2, 3, 4, 5, 6, 7];
///
/// a.neg_assign_all();
///
/// assert_eq!(a, [0, -1, -2, -3, -4, -5, -6, -7]);
/// ```
fn neg_assign_all(&mut self)
where
T: Neg<Output = T>;
/// Asynchronously applies the [`-`](core::ops::Neg) operator on all elements, in-place.
///
/// # Examples
///
/// ```rust
/// use array__ops::ops::*;
///
/// # tokio_test::block_on(async {
/// let mut a = [0, 1, 2, 3, 4, 5, 6, 7];
///
/// a.neg_assign_all_async().await;
///
/// assert_eq!(a, [0, -1, -2, -3, -4, -5, -6, -7]);
/// # })
/// ```
async fn neg_assign_all_async(&mut self)
where
T: Neg<Output = T>;
}
impl<T, const N: usize> ArrayNegAssign<T, N> for [T; N]
{
fn neg_assign_all(&mut self)
where
T: Neg<Output = T>
{
self.map_assign(|x| -x)
}
async fn neg_assign_all_async(&mut self)
where
T: Neg<Output = T>
{
self.map_assign_async(async |x| -x).await
}
}