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# 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/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

<a name="unreleased"></a>
## [Unreleased]


<a name="v0.4.1"></a>
## [v0.4.1] - 2023-06-15
### Bug Fixes
- resolve issue with unused analyzer reporting false positives ([`3b86630`](https://github.com/hauleth/mix_unused/commit/3b866308a7afe89d09f3293566439267cf0eaef7))

### Documentation
- Improve Usage Docs a bit around usage ([`a191c46`](https://github.com/hauleth/mix_unused/commit/a191c46b47733a044bc7a496c72dabc392feaea9))


<a name="v0.4.0"></a>
## [v0.4.0] - 2022-02-02
### Bug Fixes
- do not fail if cannot write manifest ([`5f407c1`](https://github.com/hauleth/mix_unused/commit/5f407c1bf9792400e3f50143ec652e6bdefa7074))

### Documentation
- add documentation about using predicate filters ([`1360fd5`](https://github.com/hauleth/mix_unused/commit/1360fd5f3ff95f83632e4b4d23fb81d12a5b686f))
- misc doc changes ([`05c96f5`](https://github.com/hauleth/mix_unused/commit/05c96f5036d38eaf6d89ed7cbb65f5e75744f4c9))

### Features
- extract functions metadata to separate file ([`4cf981d`](https://github.com/hauleth/mix_unused/commit/4cf981d034fe7f9e710d22e1f844bf1bf47159b1))
- add possibility to filter using metadata of the entry ([`9fa8838`](https://github.com/hauleth/mix_unused/commit/9fa88382203d70436efec2362eb883988760267c))
- add support for unary functions in filters ([`684007e`](https://github.com/hauleth/mix_unused/commit/684007e50a62743df8305785340a7d676d13ee15))
- scan for transitive unused functions ([`80825bd`](https://github.com/hauleth/mix_unused/commit/80825bd1f3c134f0aa04cc2dac56e8ca345a0d1c))
- add sponsoring link to the Hex package links ([`291c914`](https://github.com/hauleth/mix_unused/commit/291c9140a624b9f2c96e7663d6f02c7f5a2d05de))
- add analyzer to detect functions called only recursively ([`48411d1`](https://github.com/hauleth/mix_unused/commit/48411d10ed5752a719e6bb89e0b734a3d67a00c0))
- add covertool support ([`cf476e8`](https://github.com/hauleth/mix_unused/commit/cf476e89754f7262f8461b78a945814aa5882a70))
- cleanup analyzers ([`5b79d32`](https://github.com/hauleth/mix_unused/commit/5b79d32e2bd40c03b04d5a1d88d1c9ea875376ca))
- add analyzer for functions that could be private ([`c0bf50d`](https://github.com/hauleth/mix_unused/commit/c0bf50d46433a5cbe59b1a433043c10859e793be))


<a name="v0.3.0"></a>
## [v0.3.0] - 2021-10-18
### Bug Fixes
- do not stop tracer process after compilation ([`fbf7270`](https://github.com/hauleth/mix_unused/commit/fbf7270ff1ba81d342993e517d7c8e4829e85e8d))
- do not reload application configuration ([`7c1f7b8`](https://github.com/hauleth/mix_unused/commit/7c1f7b8689e7eef656b350bdac412729dd2efed6))

### Documentation
- describe how to ignore the structs and how to use metadata ([`d0fcd29`](https://github.com/hauleth/mix_unused/commit/d0fcd29aa89ea47c0a93b65ad03ca929703e9009))
- add doctest that shows we can ignore based pattern match for the module ([#12](https://github.com/hauleth/mix_unused/issues/12)) ([`786d0ec`](https://github.com/hauleth/mix_unused/commit/786d0ec794e0116c61af9a118824c72b862b671d))

### Features
- detect unused structs ([`179201c`](https://github.com/hauleth/mix_unused/commit/179201cea1f34e49ec850737396602bb42c68148))


<a name="v0.2.1"></a>
## [v0.2.1] - 2021-10-13
### Bug Fixes
- properly fail when the severity is high enough ([`762ae41`](https://github.com/hauleth/mix_unused/commit/762ae41361bae297b10b431ffc6e31e69d9978e8))
- relicense to MIT ([`ab8eeea`](https://github.com/hauleth/mix_unused/commit/ab8eeea5d7e2b4d98de85e3c51855bebc7d66058))
- older Erlang versions do not provide doc chunk ([`fc087eb`](https://github.com/hauleth/mix_unused/commit/fc087eb99fcce0fcab3646965e9e28c4507030a4))
- use documentation chunk for extracting callbacks ([`6f7b14e`](https://github.com/hauleth/mix_unused/commit/6f7b14e9fe134b6d1e78b5cca5eb8a8a1df6de40))

### Documentation
- fix escaping in the task documentation ([`d5dce78`](https://github.com/hauleth/mix_unused/commit/d5dce78446efb43e7490811db03d957e25a9e228))


<a name="v0.2.0"></a>
## [v0.2.0] - 2021-09-27
### Bug Fixes
- print path to file as a relative path ([`44264a2`](https://github.com/hauleth/mix_unused/commit/44264a2b30e91b038194fd7fa2d43f2ba0740947))
- test against "textual" representation of atoms as well ([`b2faff2`](https://github.com/hauleth/mix_unused/commit/b2faff2ec34b952b21de192f4f557b6032a6a296))

### Documentation
- improve documentation of `compile.unused` ([`a16b2a4`](https://github.com/hauleth/mix_unused/commit/a16b2a48fb458341e4e722c18f4aae588b0bc274))

### Features
- add support for macros ([`a28a339`](https://github.com/hauleth/mix_unused/commit/a28a339d916a146f1d74fbf783e6fe27589ee6a7))
- sort results to return predictable results ([`3ad4b79`](https://github.com/hauleth/mix_unused/commit/3ad4b792f1e8c0af70fc0fc75f8479262da56291))
- allow filtering using regular expressions ([`3f39f90`](https://github.com/hauleth/mix_unused/commit/3f39f907b9f0129aeafc9da336b25ef04b804d28))


<a name="v0.1.0"></a>
## v0.1.0 - 2021-08-28
### Bug Fixes
- ignore additional flags ([`4e74480`](https://github.com/hauleth/mix_unused/commit/4e744800656aa31d49992a9a97424bbc3555c844))
- remove inspect ([`b2036d8`](https://github.com/hauleth/mix_unused/commit/b2036d858953d758bab691b79f75ddee3b4a72e9))

### Documentation
- write documentation and provide basic options ([`a71ef2e`](https://github.com/hauleth/mix_unused/commit/a71ef2ebbd1c475648d931ebea162778328379d1))

### Features
- migrate to compiler tracers ([`e3fda01`](https://github.com/hauleth/mix_unused/commit/e3fda011f43392f6091e5a46a9ead93bdb3eb08a))

### Features
- simplify matching patterns by allow just atoms and 2-ary tuples ([`7d10f78`](https://github.com/hauleth/mix_unused/commit/7d10f7898e6e4693ac09678b5f7ec19c40018c31))
- update filtering ([`7c4717b`](https://github.com/hauleth/mix_unused/commit/7c4717b70461f993cdc782af34a75c5867100523))
- add module.behaviour_info/1 to list of ignored built ins ([`df2f7e2`](https://github.com/hauleth/mix_unused/commit/df2f7e2209f5ee229d9c3c5efe3ee5c9b40f3261))


[Unreleased]: https://github.com/hauleth/mix_unused/compare/v0.4.1...HEAD
[v0.4.1]: https://github.com/hauleth/mix_unused/compare/v0.4.0...v0.4.1
[v0.4.0]: https://github.com/hauleth/mix_unused/compare/v0.3.0...v0.4.0
[v0.3.0]: https://github.com/hauleth/mix_unused/compare/v0.2.1...v0.3.0
[v0.2.1]: https://github.com/hauleth/mix_unused/compare/v0.2.0...v0.2.1
[v0.2.0]: https://github.com/hauleth/mix_unused/compare/v0.1.0...v0.2.0