Flowdock
method

*_previous_change

Importance_1
v7.1.3.2 - Show latest stable - 0 notes - Class: ActiveModel::Dirty
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  • What's this?
*_previous_change public

This method is generated for each attribute.

Returns the old and the new value of the attribute before the last save.

person = Person.new
person.name = 'Emmanuel'
person.save
person.name_previous_change # => [nil, 'Emmanuel']
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