Allow unsized p_next arguments for all push_next functions (#855)

Co-authored-by: Marijn Suijten <marijn@traverseresearch.nl>

Changelog.md

@@ -67,6 +67,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Windows `HANDLE` types (`HWND`, `HINSTANCE`, `HMONITOR`) are now defined as `isize` instead of `*const c_void` (#797)
 - extensions/ext/ray_tracing_pipeline: Pass indirect SBT regions as single item reference (#829)
 - Replaced `c_char` array setters with `CStr` setters (#831)
+- `push_next()` functions now allow unsized `p_next` argument (#855)
 
 ### Removed
 

ash/src/vk.rs

@@ -31,7 +31,7 @@ mod platform_types;
 pub use platform_types::*;
 /// Iterates through the pointer chain. Includes the item that is passed into the function.
 /// Stops at the last [`BaseOutStructure`] that has a null [`BaseOutStructure::p_next`] field.
-pub(crate) unsafe fn ptr_chain_iter<T>(
+pub(crate) unsafe fn ptr_chain_iter<T: ?Sized>(
     ptr: &mut T,
 ) -> impl Iterator<Item = *mut BaseOutStructure<'_>> {
     let ptr = <*mut T>::cast::<BaseOutStructure<'_>>(ptr);