diff options
Diffstat (limited to 'activesupport')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/class/attribute.rb | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/class/attribute.rb b/activesupport/lib/active_support/core_ext/class/attribute.rb index 83b2695606..cee3f04354 100644 --- a/activesupport/lib/active_support/core_ext/class/attribute.rb +++ b/activesupport/lib/active_support/core_ext/class/attribute.rb @@ -18,6 +18,11 @@ class Class # Subclass.setting # => false # Base.setting # => true # + # In the above case as long as Subclass does not assign a value to setting + # by performing <tt>Subclass.setting = _something_ </tt>, <tt>Subclass.setting</tt> + # would read value assigned to parent class. Once Subclass assigns a value then + # the value assigned by Subclass would be returned. + # # This matches normal Ruby method inheritance: think of writing an attribute # on a subclass as overriding the reader method. # |