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| author | Xavier Noria <fxn@hashref.com> | 2010-04-13 16:11:36 -0700 |
|---|---|---|
| committer | Xavier Noria <fxn@hashref.com> | 2010-04-13 16:11:36 -0700 |
| commit | 0e274639b495c358598bcc8d9ebbefceadd6045e (patch) | |
| tree | 3d2e2dfd5f57a5460d556e11e50ae5d41c14d373 /activerecord/lib/active_record/base.rb | |
| parent | c88b9337cf25acf0a765f90c434d134f582864ea (diff) | |
| download | rails-0e274639b495c358598bcc8d9ebbefceadd6045e.tar.gz rails-0e274639b495c358598bcc8d9ebbefceadd6045e.tar.bz2 rails-0e274639b495c358598bcc8d9ebbefceadd6045e.zip | |
removes unnecessary assignment and local variable in AR::Base#subclasses, and revises its rdoc
Diffstat (limited to 'activerecord/lib/active_record/base.rb')
| -rwxr-xr-x | activerecord/lib/active_record/base.rb | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index d7683a9a16..fd24dcddc3 100755 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -1275,11 +1275,10 @@ module ActiveRecord #:nodoc: with_scope(method_scoping, :overwrite, &block) end - # ActiveRecord::Base utilizes the inherited hook to know about new subclasses. - # You can access the list of currently loaded ActiveRecord::Base subclasses using this accessor. + # Returns a list of all subclasses of this class, meaning all descendants. def subclasses @@subclasses[self] ||= [] - @@subclasses[self] + extra = @@subclasses[self].inject([]) {|list, subclass| list + subclass.subclasses } + @@subclasses[self] + @@subclasses[self].inject([]) {|list, subclass| list + subclass.subclasses } end public :subclasses |