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This commit is contained in:
Karolin Varner
2025-11-01 20:35:10 +01:00
parent 9580961dd9
commit 8f276f70a6
24 changed files with 203 additions and 150 deletions
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14
util/src/zerocopy/zerocopy_ref_ext.rs
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@@ -1,7 +1,7 @@
//! Extension traits for converting `Ref<B, T>` into references backed by
//! standard slices.
use zerocopy::{ByteSlice, ByteSliceMut, Ref};
use zerocopy::{SplitByteSlice, SplitByteSliceMut, Immutable, KnownLayout, Ref};
/// A trait for converting a `Ref<B, T>` into a `Ref<&[u8], T>`.
///
@@ -16,7 +16,7 @@ pub trait ZerocopyEmancipateExt<B, T> {
///
/// ```
/// # use std::ops::Deref;
/// # use zerocopy::{AsBytes, ByteSlice, FromBytes, FromZeroes, Ref};
/// # use zerocopy::{AsBytes, SplitByteSlice, FromBytes, FromZeroes, Ref};
/// # use rosenpass_util::zerocopy::ZerocopyEmancipateExt;
/// #[derive(FromBytes, FromZeroes, AsBytes)]
/// #[repr(C)]
@@ -64,18 +64,20 @@ pub trait ZerocopyEmancipateMutExt<B, T> {
impl<B, T> ZerocopyEmancipateExt<B, T> for Ref<B, T>
where
B: ByteSlice,
B: SplitByteSlice,
T: KnownLayout + Immutable,
{
fn emancipate(&self) -> Ref<&[u8], T> {
Ref::new(self.bytes()).unwrap()
Ref::new(zerocopy::Ref::<B, T>::bytes(&self)).unwrap()
}
}
impl<B, T> ZerocopyEmancipateMutExt<B, T> for Ref<B, T>
where
B: ByteSliceMut,
B: SplitByteSliceMut,
T: KnownLayout + Immutable,
{
fn emancipate_mut(&mut self) -> Ref<&mut [u8], T> {
Ref::new(self.bytes_mut()).unwrap()
Ref::new(zerocopy::Ref::<B, T>::bytes_mut(self)).unwrap()
}
}