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New design based on *mut T #22

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merged 17 commits into from
Jun 24, 2023
Merged

New design based on *mut T #22

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a7ae579
New design based on `UnsafeCell`
phil-opp May 18, 2021
946b37b
Use `*mut T` instead of `&UnsafeCell<T>` since the latter is derefere…
phil-opp May 21, 2021
682dd70
Add access types for allowing only unsafe reads and/or writes
phil-opp May 21, 2021
0699e4e
Remove stabilized const_generics feature
phil-opp Jun 13, 2021
2ece021
Redesign access types and adjust (doc)tests
phil-opp Jun 13, 2021
534ec6e
Use `NonNull` instead of `*mut T`
phil-opp Jun 13, 2021
c3d6b9a
Add lifetime parameter and rename to `VolatilePtr`
phil-opp Jun 14, 2021
9f7b015
Fix: do bounds checking in `index` and `index_mut`
phil-opp Jun 14, 2021
b525f38
Add `const` index functions under a new `very_unstable` feature
phil-opp Jun 14, 2021
4accd51
add `VolatilePtr::as_slice_mut`
Freax13 Jun 4, 2022
a9e8509
add `VolatilePtr::iter` & `VolatilePtr::iter_mut`
Freax13 Jun 4, 2022
167adec
add `VolatilePtr::is_empty`
Freax13 Jun 4, 2022
aa93fb9
add missing access where bounds
Freax13 Jun 4, 2022
554c806
reject mapping to unaligned fields
Freax13 Jun 4, 2022
ff0ee4f
WIP: owned with borrow
Freax13 Jun 15, 2022
cd57be9
fix UAF in doctest
Freax13 Jul 3, 2022
927b061
Merge pull request #28 from Freax13/unsafe-cell-but-owned
phil-opp Jan 17, 2023
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7 changes: 7 additions & 0 deletions src/access.rs
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Original file line number Diff line number Diff line change
@@ -1,3 +1,6 @@

pub trait Access {}

/// Helper trait that is implemented by [`ReadWrite`] and [`ReadOnly`].
pub trait Readable {}

Expand All @@ -7,16 +10,20 @@ pub trait Writable {}
/// Zero-sized marker type for allowing both read and write access.
#[derive(Debug, Copy, Clone)]
pub struct ReadWrite;
impl Access for ReadWrite {}
impl Readable for ReadWrite {}
impl Writable for ReadWrite {}

/// Zero-sized marker type for allowing only read access.
#[derive(Debug, Copy, Clone)]
pub struct ReadOnly;

impl Access for ReadOnly {}
impl Readable for ReadOnly {}

/// Zero-sized marker type for allowing only write access.
#[derive(Debug, Copy, Clone)]
pub struct WriteOnly;

impl Access for WriteOnly {}
impl Writable for WriteOnly {}
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