Unify Mut and Ref types in UnsizedType system (#291)

* Made it probably sound?

Co-authored-by: Bryan Zierk <[email protected]>
Co-authored-by: Samuel Vanderwaal <[email protected]>

* fix docs

* fix docs actually this time

* update docs

Co-authored-by: Bryan Zierk <[email protected]>

* add docs

Co-authored-by: Bryan Zierk <[email protected]>

* use type aliases

Co-authored-by: Bryan Zierk <[email protected]>

* Add  when accessing UnsizedDataMut

* changelog and some tiny improvements

---------

Co-authored-by: Bryan Zierk <[email protected]>
Co-authored-by: Samuel Vanderwaal <[email protected]>
Co-authored-by: Bryan Zierk <[email protected]>

Author: 3 people

CHANGELOG.md

@@ -9,115 +9,118 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
-- Improved ergonomics of indexing into UnsizedList by allowing direct use of RangeBounds instead of wrapping in a tuple. (#289)
+-   Improved ergonomics of indexing into UnsizedList by allowing direct use of RangeBounds instead of wrapping in a tuple. (#289)
+-   Unified `UnsizedType::Ref` and `UnsizedType::Mut` into a single `UnsizedType::Ptr` type (#291)
+-   Updated #[unsized_impl] to implicitly work for only exclusive functions and relaxed the signature restriction to allow moved self parameters (#291)
 
 ### Fixed
 
-- Ensure our `Error` type implements `Send` and `Sync` traits. (#290)
+-   Ensure our `Error` type implements `Send` and `Sync` traits. (#290)
+-   Added additional pointer checks to unsized type to detect mem::swaps to prevent UB (#291)
 
 ## [0.26.3] - 2025-10-28
 
 ### Fixed
 
-- Fixed errors in cli template caused due to breaking changes made in star_frame (#283)
+-   Fixed errors in cli template caused due to breaking changes made in star_frame (#283)
 
-- Fixed errors in cli test template caused due to breaking changes made in star_frame (#284)
+-   Fixed errors in cli test template caused due to breaking changes made in star_frame (#284)
 
 ## [0.26.2] - 2025-10-15
 
 ### Fixed
 
-- Reduced unsized map CU cost by 50% when key already exists (#281)
-- Use full result path in unsized_type proc macro (#281)
+-   Reduced unsized map CU cost by 50% when key already exists (#281)
+-   Use full result path in unsized_type proc macro (#281)
 
 ## [0.26.1] - 2025-10-02
 
 ### Fixed
 
-- Fixed error macros and add tests (#277)
+-   Fixed error macros and add tests (#277)
 
 ### Removed
 
-- Removed `err` macro (#277)
+-   Removed `err` macro (#277)
 
 ## [0.26.0] - 2025-09-25
 
 ### Added
 
-- New unit system functions including checked math, overflow, and fixed support (#255).
-- `ClockExt` for unit system timestamps (#255).
-- `normalize_rent` alias for `AccountSet` `cleanup` (#263)
-- Changed from `anyhow` to `eyre` (#265)
-- Added `borsh` to `UnitVal` (#266)
-- Removed default init requirement on unsized list default init. (#267)
-- Added more `Align1` impls for tuples. (#268)
-- Added `star_frame_error` macro and custom error system (#271)
+-   New unit system functions including checked math, overflow, and fixed support (#255).
+-   `ClockExt` for unit system timestamps (#255).
+-   `normalize_rent` alias for `AccountSet` `cleanup` (#263)
+-   Changed from `anyhow` to `eyre` (#265)
+-   Added `borsh` to `UnitVal` (#266)
+-   Removed default init requirement on unsized list default init. (#267)
+-   Added more `Align1` impls for tuples. (#268)
+-   Added `star_frame_error` macro and custom error system (#271)
 
 ### Changed
 
-- Replaced `eyre` with custom error system (#271)
+-   Replaced `eyre` with custom error system (#271)
 
 ### Updated
 
-- Updated solana dependencies (#270)
+-   Updated solana dependencies (#270)
 
 ## [0.25.1] - 2025-09-11
 
 ### Fixed
 
-- Improved performance of ProgramAccount discriminant validation (#260)
+-   Improved performance of ProgramAccount discriminant validation (#260)
 
 ## [0.25.0] - 2025-09-11
 
 ### Fixed
 
-- Significantly improved performance across the board (#247)
+-   Significantly improved performance across the board (#247)
 
 ### Changed
 
-- Updated `CpiAccountSet` to use native pinocchio instruction types (#247)
-- Updated `CpiBuilder` to take in InstructionData by value and a program argument instead of ctx,
-  and `MakeCpi::cpi` is now infallible (#247)
-- Return data must be NoUninit instead of `BorshSerialize` (#247)
+-   Updated `CpiAccountSet` to use native pinocchio instruction types (#247)
+-   Updated `CpiBuilder` to take in InstructionData by value and a program argument instead of ctx,
+    and `MakeCpi::cpi` is now infallible (#247)
+-   Return data must be NoUninit instead of `BorshSerialize` (#247)
 
 ### Removed
 
-- Program cache from the `Context` struct (#247)
+-   Program cache from the `Context` struct (#247)
 
 ## [0.24.2] - 2025-09-06
 
 ### Fixed
 
-- Updated star_frame version in template (#252)
+-   Updated star_frame version in template (#252)
 
 ## [0.24.1] - 2025-09-04
 
 ### Fixed
 
-- Remove unnecessary `'static` bound on `InitFn` (#244)
+-   Remove unnecessary `'static` bound on `InitFn` (#244)
 
 ## [0.24.0] - 2025-09-04
 
 ### Added
 
-- `BorshAccount` AccountSet (#225)
-- `UnsizedString` UnsizedType (#235)
-- `star_frame_instruction` macro (#199)
-- `zero_copy` attribute macro (#237)
-- CLI with project scaffolding (#227)
-- insert_all to map and set (#231)
-- Changelog tracking (#241)
+-   `BorshAccount` AccountSet (#225)
+-   `UnsizedString` UnsizedType (#235)
+-   `star_frame_instruction` macro (#199)
+-   `zero_copy` attribute macro (#237)
+-   CLI with project scaffolding (#227)
+-   insert_all to map and set (#231)
+-   Changelog tracking (#241)
 
 ### Changed
 
-- Bump workspace Rust version to 1.89.0 (#234)
-- Updated complex `CanInitAccount` implementations to use closures for init arg (#239)
+-   Bump workspace Rust version to 1.89.0 (#234)
+-   Updated complex `CanInitAccount` implementations to use closures for init arg (#239)
 
 ## [0.23.1] - 2025-08-28
 
 ### Added
 
-- Additional documentation improvements (#223).
+-   Additional documentation improvements (#223).
 
 [unreleased]: https://github.com/staratlasmeta/star_frame/compare/v0.26.3...HEAD
 [0.26.3]: https://github.com/staratlasmeta/star_frame/compare/v0.26.2...v0.26.3