# Changelog

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

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [Unreleased]

### Added

- This CHANGELOG file.
- Dependency on [parking-lot].
- New `filter_map` combinator.

[parking-lot]: https://crates.io/crates/parking-lot

### Changed

- Various small performance improvements.

## [2.1.2] - 2022-11-27

### Added

- Added basic documentation for every public API [#62]

### Fixed

- Removed several API items related to internal dependency tracking
  from the documentation.
- Fixed garbage collector bug that was causing the time taken by every
  transaction to increase exponentially with the number of nodes in
  the graph. [#62]

[#62]: https://github.com/SodiumFRP/sodium-rust/pull/62


## [2.1.1] - 2020-10-27

### Fixed

- Fixed `Listener` memory management when using `Operational::defer`.


## [2.1.0] - 2020-07-28

### Added

- Added methods for sampling up to 6 `Cell`s from one
  `Stream::snapshot`. [#43]
- Add a Drop-based `Transaction` scope. [#53]
- Added `Stream::split` method for flattening a `Stream<impl
  IntoIterator<Item = T>` into a `Stream<T>`. [#44]
- Added missing public `SodiumCtx::post` method. [#42]
- Added `Router`, a more performant way of splitting one `Stream` into
  many `Stream`s.

[#43]: https://github.com/SodiumFRP/sodium-rust/issues/43
[#53]: https://github.com/SodiumFRP/sodium-rust/issues/53
[#44]: https://github.com/SodiumFRP/sodium-rust/issues/44
[#42]: https://github.com/SodiumFRP/sodium-rust/issues/42
[#57]: https://github.com/SodiumFRP/sodium-rust/issues/57


## [2.0.2] - 2020-07-25

### Fixed

- Correctly use `Lazy` values in `CellLoop::loop`. [#45]

[#45]: https://github.com/SodiumFRP/sodium-rust/issues/45


## [2.0.1] - 2020-04-24

### Added

- Added missing `Clone` impl for `SodiumCtx`.

### Fixed

- Track dependencies correctly in `Stream::listen`.


## [2.0.0] - 2020-04-21

Version 2 rewrite.


## [1.0.1] - 2018-11-24

### Added

- Added `Transaction::is_active` method. [#26]

### Changed

- Disallow calling `send` in Sodium callbacks, use `post` to make it
  happen in the next transaction instead. [#32]

### Fixed

- Fixed `SampleLazy` bug. [#23]
- Fixed `IsCell::listen_weak` now correctly uses `Cell::listen_weak`. [#30]
- Keep `SodiumCtx` alive in memory when any Sodium objects are alive. [#29]

[#23]: https://github.com/SodiumFRP/sodium-rust/issues/23
[#26]: https://github.com/SodiumFRP/sodium-rust/issues/26
[#29]: https://github.com/SodiumFRP/sodium-rust/issues/29
[#30]: https://github.com/SodiumFRP/sodium-rust/issues/30
[#32]: https://github.com/SodiumFRP/sodium-rust/issues/32
[#34]: https://github.com/SodiumFRP/sodium-rust/issues/34


## [1.0.0] - 2018-11-17

Initial release.

[Unreleased]: https://github.com/SodiumFRP/sodium-rust/compare/v2.1.2...HEAD
[2.1.2]: https://github.com/SodiumFRP/sodium-rust/compare/2.1.1...2.1.2
[2.1.1]: https://github.com/SodiumFRP/sodium-rust/compare/2.1.0...2.1.1
[2.1.0]: https://github.com/SodiumFRP/sodium-rust/compare/2.0.2...2.1.0
[2.0.2]: https://github.com/SodiumFRP/sodium-rust/compare/2.0.1...2.0.2
[2.0.1]: https://github.com/SodiumFRP/sodium-rust/compare/2.0.0...2.0.1
[2.0.0]: https://github.com/SodiumFRP/sodium-rust/compare/1.0.1...2.0.0
[1.0.1]: https://github.com/SodiumFRP/sodium-rust/compare/1.0.0...1.0.1
[1.0.0]: https://github.com/SodiumFRP/sodium-rust/releases/tag/v1.0.0