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# Upgrading Ruby::Enum
## Upgrading to >= 0.9.0
### Inheritance & `Ruby::Enum.values`
This only applies to classes that inherit from another which is a `Ruby::Enum`.
Prior to version `0.9.0`, the `values` class method would enumerate only the
values defined in the class.
As of version `0.9.0`, the `values` class method enumerates values defined in
the entire class heirarchy, ancestors first.
``` ruby
class PrimaryColors
include Ruby::Enum
define :RED, 'RED'
define :GREEN, 'GREEN'
define :BLUE, 'BLUE'
end
class RainbowColors < PrimaryColors
define :ORANGE, 'ORANGE'
define :YELLOW, 'YELLOW'
define :INIDGO, 'INIDGO'
define :VIOLET, 'VIOLET'
end
```
`gem 'ruby-enum', '< 0.9.0'`
``` ruby
RainbowColors.values # ['ORANGE', 'YELLOW', 'INIDGO', 'VIOLET']
```
`gem 'ruby-enum', '>= 0.9.0'`
``` ruby
RainbowColors.values # ['RED', 'ORANGE', 'YELLOW', 'GREEN', 'BLUE', 'INIDGO', 'VIOLET']
```
See [#29](https://github.com/dblock/ruby-enum/pull/29) for more information.
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