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CHANGELOG.md

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Change Log

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

Unreleased

v0.9.1 - 2020-09-28

Added

  • Added safe methods to RawTable (#202):
    • get: find and as_ref
    • get_mut: find and as_mut
    • insert_entry: insert and as_mut
    • remove_entry: find and remove
    • erase_entry: find and erase

Changed

  • Removed from_key_hashed_nocheck's Q: Hash. (#200)
  • Made RawTable::drain safe. (#201)

v0.9.0 - 2020-09-03

Fixed

  • drain_filter now removes and yields items that do match the predicate, rather than items that don't. This is a breaking change to match the behavior of the drain_filter methods in std. (#187)

Added

  • Added replace_entry_with to OccupiedEntry, and and_replace_entry_with to Entry. (#190)
  • Implemented FusedIterator and size_hint for DrainFilter. (#188)

Changed

  • The minimum Rust version has been bumped to 1.36 (due to crossbeam dependency). (#193)
  • Updated ahash dependency to 0.4. (#198)
  • HashMap::with_hasher and HashSet::with_hasher are now const fn. (#195)
  • Removed T: Hash + Eq and S: BuildHasher bounds on HashSet::new, with_capacity, with_hasher, and with_capacity_and_hasher. (#185)

v0.8.2 - 2020-08-08

Changed

  • Avoid closures to improve compile times. (#183)
  • Do not iterate to drop if empty. (#182)

v0.8.1 - 2020-07-16

Added

  • Added erase and remove to RawTable. (#171)
  • Added try_with_capacity to RawTable. (#174)
  • Added methods that allow re-using a RawIter for RawDrain, RawIntoIter, and RawParIter. (#175)
  • Added reflect_remove and reflect_insert to RawIter. (#175)
  • Added a drain_filter function to HashSet. (#179)

Changed

  • Deprecated RawTable::erase_no_drop in favor of erase and remove. (#176)
  • insert_no_grow is now exposed under the "raw" feature. (#180)

v0.8.0 - 2020-06-18

Fixed

  • Marked RawTable::par_iter as unsafe. (#157)

Changed

  • Reduced the size of HashMap. (#159)
  • No longer create tables with a capacity of 1 element. (#162)
  • Removed K: Eq + Hash bounds on retain. (#163)
  • Pulled in HashMap changes from rust-lang/rust (#164):
    • extend_one support on nightly.
    • CollectionAllocErr renamed to TryReserveError.
    • Added HashSet::get_or_insert_owned.
    • Default for HashSet no longer requires T: Eq + Hash and S: BuildHasher.

v0.7.2 - 2020-04-27

Added

  • Added or_insert_with_key to Entry. (#152)

Fixed

  • Partially reverted Clone optimization which was unsound. (#154)

Changed

  • Disabled use of const-random by default, which prevented reproducible builds. (#155)
  • Optimized repeat function. (#150)
  • Use NonNull for buckets, which improves codegen for iterators. (#148)

v0.7.1 - 2020-03-16

Added

  • Added HashMap::get_key_value_mut. (#145)

Changed

  • Optimized Clone implementation. (#146)

v0.7.0 - 2020-01-31

Added

  • Added a drain_filter function to HashMap. (#135)

Changed

  • Updated ahash dependency to 0.3. (#141)
  • Optimized set union and intersection. (#130)
  • raw_entry can now be used without requiring S: BuildHasher. (#123)
  • RawTable::bucket_index can now be used under the raw feature. (#128)

v0.6.3 - 2019-10-31

Added

  • Added an ahash-compile-time-rng feature (enabled by default) which allows disabling the compile-time-rng feature in ahash to work around a Cargo bug. (#125)

v0.6.2 - 2019-10-23

Added

  • Added an inline-more feature (enabled by default) which allows choosing a tradeoff between runtime performance and compilation time. (#119)

v0.6.1 - 2019-10-04

Added

  • Added Entry::insert and RawEntryMut::insert. (#118)

Changed

  • Group::static_empty was changed from a const to a static (#116).

v0.6.0 - 2019-08-13

Fixed

  • Fixed AHash accidentally depending on std. (#110)

Changed

  • The minimum Rust version has been bumped to 1.32 (due to rand dependency).

v0.5.1 - 2019-08-04

This release was yanked due to a breaking change for users of no-default-features.

Added

  • The experimental and unsafe RawTable API is available under the "raw" feature. (#108)
  • Added entry-like methods for HashSet. (#98)

Changed

  • Changed the default hasher from FxHash to AHash. (#97)
  • hashbrown is now fully no_std on recent Rust versions (1.36+). (#96)

Fixed

  • We now avoid growing the table during insertions when it wasn't necessary. (#106)
  • RawOccupiedEntryMut now properly implements Send and Sync. (#100)
  • Relaxed lazy_static version. (#92)

v0.5.0 - 2019-06-12

Fixed

  • Resize with a more conservative amount of space after deletions. (#86)

Changed

  • Exposed the Layout of the failed allocation in CollectionAllocErr::AllocErr. (#89)

v0.4.0 - 2019-05-30

Fixed

  • Fixed Send trait bounds on IterMut not matching the libstd one. (#82)

v0.3.1 - 2019-05-30

Fixed

  • Fixed incorrect use of slice in unsafe code. (#80)

v0.3.0 - 2019-04-23

Changed

  • Changed shrink_to to not panic if min_capacity < capacity. (#67)

Fixed

v0.2.2 - 2019-04-16

Fixed

  • Inlined non-nightly lowest_set_bit_nonzero. (#64)
  • Fixed build on latest nightly. (#65)

v0.2.1 - 2019-04-14

Changed

  • Use for_each in map Extend and FromIterator. (#58)
  • Improved worst-case performance of HashSet.is_subset. (#61)

Fixed

  • Removed incorrect debug_assert. (#60)

v0.2.0 - 2019-03-31

Changed

  • The code has been updated to Rust 2018 edition. This means that the minimum Rust version has been bumped to 1.31 (2018 edition).

Added

  • Added insert_with_hasher to the raw_entry API to allow K: !(Hash + Eq). (#54)
  • Added support for using hashbrown as the hash table implementation in libstd. (#46)

Fixed

  • Fixed cargo build with minimal-versions. (#45)
  • Fixed #[may_dangle] attributes to match the libstd HashMap. (#46)
  • ZST keys and values are now handled properly. (#46)

v0.1.8 - 2019-01-14

Added

  • Rayon parallel iterator support (#37)
  • raw_entry support (#31)
  • #[may_dangle] on nightly (#31)
  • try_reserve support (#31)

Fixed

  • Fixed variance on IterMut. (#31)

v0.1.7 - 2018-12-05

Fixed

  • Fixed non-SSE version of convert_special_to_empty_and_full_to_deleted. (#32)
  • Fixed overflow in rehash_in_place. (#33)

v0.1.6 - 2018-11-17

Fixed

  • Fixed compile error on nightly. (#29)

v0.1.5 - 2018-11-08

Fixed

  • Fixed subtraction overflow in generic::Group::match_byte. (#28)

v0.1.4 - 2018-11-04

Fixed

  • Fixed a bug in the erase_no_drop implementation. (#26)

v0.1.3 - 2018-11-01

Added

  • Serde support. (#14)

Fixed

  • Make the compiler inline functions more aggressively. (#20)

v0.1.2 - 2018-10-31

Fixed

  • clear segfaults when called on an empty table. (#13)

v0.1.1 - 2018-10-30

Fixed

  • erase_no_drop optimization not triggering in the SSE2 implementation. (#3)
  • Missing Send and Sync for hash map and iterator types. (#7)
  • Bug when inserting into a table smaller than the group width. (#5)

v0.1.0 - 2018-10-29

  • Initial release