Clarify that mattr_* creates public methods

1 files changed, 6 insertions, 0 deletions

diff --git a/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb b/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb
index 90989f4f3d..c3a1b84d3e 100644
--- a/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb
+++ b/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb
@@ -8,6 +8,8 @@ class Module
   # Defines a class attribute and creates a class and instance reader methods.
   # The underlying class variable is set to +nil+, if it is not previously
   # defined.
+  # Note: Both methods will be public even if this method is called from
+  # inside a private or protected block.
   #
   #   module HairColors
   #     mattr_reader :hair_colors
@@ -77,6 +79,8 @@ class Module
 
   # Defines a class attribute and creates a class and instance writer methods to
   # allow assignment to the attribute.
+  # Note: Both methods will be public even if this method is called from
+  # inside a private or protected block.
   #
   #   module HairColors
   #     mattr_writer :hair_colors
@@ -142,6 +146,8 @@ class Module
   alias :cattr_writer :mattr_writer
 
   # Defines both class and instance accessors for class attributes.
+  # Note: All methods will be public even if this method is called from
+  # inside a private or protected block.
   #
   #   module HairColors
   #     mattr_accessor :hair_colors