diff options
| -rw-r--r-- | activesupport/lib/active_support/core_ext/class/inheritable_attributes.rb | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/class/inheritable_attributes.rb b/activesupport/lib/active_support/core_ext/class/inheritable_attributes.rb index 2b8e2b544f..4f84424e13 100644 --- a/activesupport/lib/active_support/core_ext/class/inheritable_attributes.rb +++ b/activesupport/lib/active_support/core_ext/class/inheritable_attributes.rb @@ -9,6 +9,8 @@ end # their parents' attributes, instead of just a pointer to the same. This means that the child can add elements # to, for example, an array without those additions being shared with either their parent, siblings, or # children, which is unlike the regular class-level attributes that are shared across the entire hierarchy. +# Note that subclasses are give a copy of parent attributes at runtime when subclass is created. After the +# subclass has been created any change in parent attributes will not be reflected in child. class Class # :nodoc: def class_inheritable_reader(*syms) options = syms.extract_options! |