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AS guide: documents a use case for :instance_writer, based on a remar…

…k of Jeremy
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1 parent ac202a2 commit f53fddf3665e6582768f4ab0c82b286b39e7fb19 @fxn fxn committed Mar 15, 2010
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  1. +2 −0 railties/guides/source/active_support_core_extensions.textile
@@ -1057,6 +1057,8 @@ module ActiveRecord
+A model may find that option useful as a way to prevent mass-assignment from setting the attribute.
NOTE: Defined in +active_support/core_ext/class/attribute_accessors.rb+.
h4. Class Inheritable Attributes

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