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CHANGELOG.md

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Significant feature changes and additions

This project follows Rust semantic versioning.

0.5.4 (2023-07-13)

Added

  • no_std support for TCell, contributed by Violet Leonard.
  • Default for TCell, TLCell and LCell
  • Formalize MSRV of 1.60, and test

0.5.3 (2023-01-15)

Added

  • Hash, Eq and PartialEq implementations for QCellOwnerID. These changes were contributed by Simon Ask and LegionMammal978

0.5.2 (2022-06-11)

Added

  • #[repr(transparent)] added to LCell, TCell and TLCell
  • get_mut and into_inner added to all cell types which better supports beginning/end-of-life of the cell

Troy Hinckley contributed to this point release.

0.5.1 (2022-04-19)

Added

  • LCellOwner can now be created from a generativity guard, which makes LCellOwner creation more convenient. This change was contributed by Troy Hinckley.

0.5.0 (2022-01-23)

Changed

  • QCellOwner is now based on IDs derived from the addresses of heap-allocated objects. This change was contributed by Violet Leonard. This offloads maintaining lists of in-use IDs to the allocator, which improves no_std compatibility.

Added

  • no_std support in QCell and LCell, contributed by Violet Leonard.

  • QCellOwnerPinned (contributed by Violet Leonard), and QCellOwnerSeq. These now form a family of ID-based owners along with QCellOwner.

Breaking

  • QCellOwner::fast_new is replaced by QCellOwnerSeq::new

0.4.3 (2021-09-20)

Fixed

  • It is now no longer possible for a malicious coder to cheat the singleton check in TCellOwner and TLCellOwner by using covariant subtypes. Thanks to Frank Steffahn for noticing the bug, and for providing the PR to fix the issue.

Testing

  • Check common traits using static_assertions

0.4.2 (2021-08-20)

Added

  • ?Sized / unsized types / DST support, e.g. QCell<dyn Trait>
  • cell.rw(owner) and cell.ro(owner)
  • TCellOwner::try_new and TCellOwner::wait_for_new, contributed by Michiel De Muycnk

0.4.1 (2020-06-25)

(internal changes)

0.4.0 (2019-12-24)

Added

  • Send and Sync support, with full reasoning, thanks to a contribution from Michiel de Muycnk

Breaking

  • TCell and TLCell are now split into separate types and the previous 'no-thread-local' feature has been removed

Testing

  • trybuild testing of all compile_fail tests, to ensure that they're failing for the right reasons

0.3.0 (2019-07-24)

Breaking

  • TCell is now thread-local-based by default, with a cargo feature to switch on old global behaviour

0.2.0 (2019-03-20)

Breaking

  • Switch from get() and get_mut() to ro() and rw() to access cell contents

  • No longer require the owner to be specified when creating TCell and LCell instances.

Added

  • QCellOwnerID for creating cells when the owner is not available

0.1.2 (2019-03-18)

Added

  • LCell lifetime-based cell

0.1.1 (2019-03-07)

Fixed

  • Make QCellOwner::new() completely safe. Old code that could be used maliciously to create undefined behaviour is moved to QCellOwner::fast_new() and marked as unsafe.

0.1.0 (2019-02-28)

(first public release)