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The former should be symmetric with ancestors and include all children. However, it should not include self since ancestors + descendants should not have duplicated. The latter is symmetric to superclass in the sense it only includes direct children. By adopting a convention, we expect to have less conflict with other frameworks, as Datamapper. For this moment, to ensure ActiveModel::Validations can be used with Datamapper, we should always call ActiveSupport::DescendantsTracker.descendants(self) internally instead of self.descendants avoiding conflicts. |
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| .. | ||
| caching | ||
| deprecated | ||
| metal | ||
| railties | ||
| vendor | ||
| base.rb | ||
| caching.rb | ||
| deprecated.rb | ||
| log_subscriber.rb | ||
| metal.rb | ||
| middleware.rb | ||
| polymorphic_routes.rb | ||
| railtie.rb | ||
| record_identifier.rb | ||
| test_case.rb | ||