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| author | Xavier Noria <fxn@hashref.com> | 2010-01-17 00:15:51 +0100 |
|---|---|---|
| committer | Xavier Noria <fxn@hashref.com> | 2010-01-17 00:15:51 +0100 |
| commit | 043e876676ad49b3b21d8d90465d7e7a8f8fb25a (patch) | |
| tree | ae1b0f6ecabc558a1d8ce001c8698fdfe5c7e77a /railties/guides/source/active_support_core_extensions.textile | |
| parent | 0ec76099e06ac342261473fcaa88db4f58a2a8b3 (diff) | |
| download | rails-043e876676ad49b3b21d8d90465d7e7a8f8fb25a.tar.gz rails-043e876676ad49b3b21d8d90465d7e7a8f8fb25a.tar.bz2 rails-043e876676ad49b3b21d8d90465d7e7a8f8fb25a.zip | |
AS guide: revises section about Class#subclasses
Diffstat (limited to 'railties/guides/source/active_support_core_extensions.textile')
| -rw-r--r-- | railties/guides/source/active_support_core_extensions.textile | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile index ee1c83673c..c911cb9c9f 100644 --- a/railties/guides/source/active_support_core_extensions.textile +++ b/railties/guides/source/active_support_core_extensions.textile @@ -629,7 +629,7 @@ NOTE: Defined in +active_support/core_ext/class/delegating_attributes.rb+. h4. Subclasses -The +subclasses+ method returns the names of all subclasses of a given class as an array of strings. That comprises not only direct subclasses, but all descendants down the hierarchy: +The +subclasses+ method returns the names of all the reachable descendants of its receiver as an array of strings: <ruby> class C; end @@ -650,9 +650,9 @@ end M::A.subclasses # => ["N::C", "M::B2", "M::B1"] </ruby> -The order in which these class names are returned is unspecified. +WARNING: +ActiveRecord::Base+ redefines this method, it returns class objects, reachable or not, and it is protected. -See also +Object#subclasses_of+ in "Extensions to All Objects FIX THIS LINK":FIXME. +See aso +Object#subclasses_of+, explained in "Extensions to All Objects FIX THIS LINK":FIXME. NOTE: Defined in +active_support/core_ext/class/removal.rb+. |