# v0.4.7 2018-06-25 ### Fixed * Fix default logger for deprecations, it now uses `$stderr` by default, as it should (flash-gordon) [Compare v0.4.6...v0.4.7](https://github.com/dry-rb/dry-core/compare/v0.4.6...v0.4.7) # v0.4.6 2018-05-15 ### Changed * Trigger constant autoloading in the class builder (radar) [Compare v0.4.5...v0.4.6](https://github.com/dry-rb/dry-core/compare/v0.4.5...v0.4.6) # v0.4.5 2018-03-14 ### Added * `Dry::Core::Memoizable`, which provides a `memoize` macro for memoizing results of instance methods (timriley) [Compare v0.4.4...v0.4.5](https://github.com/dry-rb/dry-core/compare/v0.4.4...v0.4.5) # v0.4.4 2018-02-10 ### Added * `deprecate_constant` overrides `Module#deprecate_constant` and issues a labeled message on accessing a deprecated constant (flash-gordon) * `Undefined.default` which accepts two arguments and returns the first if it's not `Undefined`; otherwise, returns the second one or yields a block (flash-gordon) [Compare v0.4.3...v0.4.4](https://github.com/dry-rb/dry-core/compare/v0.4.3...v0.4.4) # v0.4.3 2018-02-03 ### Added * `Dry::Core::DescendantsTracker` which is a maintained version of the [`descendants_tracker`](https://github.com/dkubb/descendants_tracker) gem (flash-gordon) [Compare v0.4.2...v0.4.3](https://github.com/dry-rb/dry-core/compare/v0.4.2...0.4.3) # v0.4.2 2017-12-16 ### Fixed * Class attributes now support private setters/getters (flash-gordon) [Compare v0.4.1...v0.4.2](https://github.com/dry-rb/dry-core/compare/v0.4.1...v0.4.2) # v0.4.1 2017-11-04 ### Changed * Improved error message on invalid attribute value (GustavoCaso) [Compare v0.4.0...v0.4.1](https://github.com/dry-rb/dry-core/compare/v0.4.0...v0.4.1) # v0.4.0 2017-11-02 ### Added * Added the `:type` option to class attributes, you can now restrict attribute values with a type. You can either use plain ruby types (`Integer`, `String`, etc) or `dry-types` (GustavoCaso) ```ruby class Foo extend Dry::Core::ClassAttributes defines :ruby_attr, type: Integer defines :dry_attr, type: Dry::Types['strict.int'] end ``` [Compare v0.3.4...v0.4.0](https://github.com/dry-rb/dry-core/compare/v0.3.4...v0.4.0) # v0.3.4 2017-09-29 ### Fixed * `Deprecations` output is set to `$stderr` by default now (solnic) [Compare v0.3.3...v0.3.4](https://github.com/dry-rb/dry-core/compare/v0.3.3...v0.3.4) # v0.3.3 2017-08-31 ### Fixed * The Deprecations module now shows the right caller line (flash-gordon) [Compare v0.3.2...v0.3.3](https://github.com/dry-rb/dry-core/compare/v0.3.2...v0.3.3) # v0.3.2 2017-08-31 ### Added * Accept an existing logger object in `Dry::Core::Deprecations.set_logger!` (flash-gordon) [Compare v0.3.1...v0.3.2](https://github.com/dry-rb/dry-core/compare/v0.3.1...v0.3.2) # v0.3.1 2017-05-27 ### Added * Support for building classes within an existing namespace (flash-gordon) [Compare v0.3.0...v0.3.1](https://github.com/dry-rb/dry-core/compare/v0.3.0...v0.3.1) # v0.3.0 2017-05-05 ### Changed * Class attributes are initialized _before_ running the `inherited` hook. It's slightly more convenient behavior and it's very unlikely anyone will be affected by this, but technically this is a breaking change (flash-gordon) [Compare v0.2.4...v0.3.0](https://github.com/dry-rb/dry-core/compare/v0.2.4...v0.3.0) # v0.2.4 2017-01-26 ### Fixed * Do not require deprecated method to be defined (flash-gordon) [Compare v0.2.3...v0.2.4](https://github.com/dry-rb/dry-core/compare/v0.2.3...v0.2.4) # v0.2.3 2016-12-30 ### Fixed * Fix warnings on using uninitialized class attributes (flash-gordon) [Compare v0.2.2...v0.2.3](https://github.com/dry-rb/dry-core/compare/v0.2.2...v0.2.3) # v0.2.2 2016-12-30 ### Added * `ClassAttributes` which provides `defines` method for defining get-or-set methods (flash-gordon) [Compare v0.2.1...v0.2.2](https://github.com/dry-rb/dry-core/compare/v0.2.1...v0.2.2) # v0.2.1 2016-11-18 ### Added * `Constants` are now available in nested scopes (flash-gordon) [Compare v0.2.0...v0.2.1](https://github.com/dry-rb/dry-core/compare/v0.2.0...v0.2.1) # v0.2.0 2016-11-01 [Compare v0.1.0...v0.2.0](https://github.com/dry-rb/dry-core/compare/v0.1.0...v0.2.0) # v0.1.0 2016-09-17 Initial release