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hybrid-array: add Deref/DerefMut impls for Array#908

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Merged
tarcieri merged 1 commit into from
May 30, 2023
Merged

hybrid-array: add Deref/DerefMut impls for Array#908

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24 changes: 23 additions & 1 deletion hybrid-array/src/lib.rs
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Original file line numberDiff line numberDiff line change
Expand Up@@ -28,7 +28,7 @@ pub use typenum;
use core::{
array::{IntoIter, TryFromSliceError},
borrow::{Borrow, BorrowMut},
ops::{Index, IndexMut, Range},
ops::{Deref, DerefMut, Index, IndexMut, Range},
slice::{Iter, IterMut},
};
use typenum::Unsigned;
Expand DownExpand Up@@ -151,6 +151,26 @@ where
}
}

impl<T, U> Deref for Array<T, U>
where
U: ArraySize,
{
type Target = U::ArrayType<T>;

fn deref(&self) -> &U::ArrayType<T> {
&self.0
}
}

impl<T, U> DerefMut for Array<T, U>
where
U: ArraySize,
{
fn deref_mut(&mut self) -> &mut U::ArrayType<T> {
&mut self.0
}
}

impl<T, U, const N: usize> From<[T; N]> for Array<T, U>
where
Self: ArrayOps<T, N>,
Expand DownExpand Up@@ -273,6 +293,8 @@ pub trait ArrayOps<T, const N: usize>:
+ AsMut<[T; N]>
+ Borrow<[T; N]>
+ BorrowMut<[T; N]>
+ Deref<Target = [T; N]>
+ DerefMut
+ From<[T; N]>
+ Index<usize>
+ Index<Range<usize>>
Expand Down