volatile

chore: Release volatile version 0.5.4

chore: Release volatile version 0.5.3

chore: Release volatile version 0.5.3-rc.2

• Add implementations for fmt::Pointer, PartialEq, Eq, PartialOrd, Ord and Hash.
• Update very_unstable feature to latest nightly
• Remove Sized requirement for Send and Sync impls on VolatileRef

• Fix: Add missing documentation of the map macro

• Breaking: New design based on raw pointers
  • The previous reference-based design was unsound because it allowed the compiler to insert spurious reads.
  • The new design features two wrapper types for raw pointers: VolatilePtr and VolatileRef
  • VolatilePtr provides safe read and write access to volatile values. Like raw pointers, it implements Copy and is !Sync.
  • VolatileRef is a pointer type that respects Rust's aliasing rules. It doesn't implement Copy, requires a &mut reference for modification, and implements Sync. It can converted to temporary VolatilePtr instances through the as_ptr/as_mut_ptr methods.
• We now provide methods for volatile slice operations and a map! macro for struct field projection. These advanced features are gated behind a cargo feature named "unstable".

• Fix UB in slice methods when Deref returns different references (#27)

• Remove the const_generics feature flag (#25)

• Replace feature "range_bounds_assert_len" with "slice_range" (#21)
  • Fixes the unstable feature on the latest nightly.

• Add methods to restrict access (#19)

• Change slice::check_range to RangeBounds::assert_len (#16)
  • Fixes build on latest nightly.

• Small documentation and metadata improvements

• Breaking: Rewrite crate to operate on reference values (#13)

• Breaking: Remove Debug and Clone derives for WriteOnly (#12)

• Derive Default for Volatile, WriteOnly and ReadOnly (#10)