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| -rw-r--r-- | activerecord/README.rdoc | 11 | ||||
| -rw-r--r-- | guides/source/active_support_core_extensions.md | 8 |
2 files changed, 0 insertions, 19 deletions
diff --git a/activerecord/README.rdoc b/activerecord/README.rdoc index cc8942809c..9fc6785d99 100644 --- a/activerecord/README.rdoc +++ b/activerecord/README.rdoc @@ -80,17 +80,6 @@ A short rundown of some of the major features: {Learn more}[link:classes/ActiveRecord/Callbacks.html] -* Observers that react to changes in a model. - - class CommentObserver < ActiveRecord::Observer - def after_create(comment) # is called just after Comment#save - CommentMailer.new_comment_email('david@loudthinking.com', comment).deliver - end - end - - {Learn more}[link:classes/ActiveRecord/Observer.html] - - * Inheritance hierarchies. class Company < ActiveRecord::Base; end diff --git a/guides/source/active_support_core_extensions.md b/guides/source/active_support_core_extensions.md index 401e6f0596..e6f2db2a2d 100644 --- a/guides/source/active_support_core_extensions.md +++ b/guides/source/active_support_core_extensions.md @@ -2067,14 +2067,6 @@ The sum of an empty receiver can be customized in this form as well: [].sum(1) {|n| n**3} # => 1 ``` -The method `ActiveRecord::Observer#observed_subclasses` for example is implemented this way: - -```ruby -def observed_subclasses - observed_classes.sum([]) { |klass| klass.send(:subclasses) } -end -``` - NOTE: Defined in `active_support/core_ext/enumerable.rb`. ### `index_by` |