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-rw-r--r--activemodel/lib/active_model/dirty.rb9
1 files changed, 2 insertions, 7 deletions
diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb
index 5ea7636427..2516377afd 100644
--- a/activemodel/lib/active_model/dirty.rb
+++ b/activemodel/lib/active_model/dirty.rb
@@ -37,12 +37,13 @@ module ActiveModel
# end
#
# def name=(val)
- # name_will_change!
+ # name_will_change! unless val == @name
# @name = val
# end
#
# def save
# @previously_changed = changes
+ # @changed_attributes.clear
# end
#
# end
@@ -77,12 +78,6 @@ module ActiveModel
# person.changed # => ['name']
# person.changes # => { 'name' => ['Bill', 'Bob'] }
#
- # Resetting an attribute returns it to its original state:
- # person.reset_name! # => 'Bill'
- # person.changed? # => false
- # person.name_changed? # => false
- # person.name # => 'Bill'
- #
# If an attribute is modified in-place then make use of <tt>[attribute_name]_will_change!</tt>
# to mark that the attribute is changing. Otherwise ActiveModel can't track changes to
# in-place attributes.