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Diffstat (limited to 'guides')
| -rw-r--r-- | guides/source/active_support_core_extensions.md | 8 |
1 files changed, 0 insertions, 8 deletions
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` |