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Updating the doc with the info that class_inheritable_accessor

copies properties to child at runtime
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1 parent 695cabc commit 1c3d2a5a6035bd2041126a4829b087f76f3586f7 Neeraj Singh committed May 19, 2010
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  1. +2 −0 activesupport/lib/active_support/core_ext/class/inheritable_attributes.rb
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2 activesupport/lib/active_support/core_ext/class/inheritable_attributes.rb
@@ -9,6 +9,8 @@ module ClassInheritableAttributes # :nodoc:
# 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!

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