module Footprintable
except,extract的关系: (changed_columns & extract) - except
Constants
- VERSION
Public Class Methods
included(klass)
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# File lib/footprintable.rb, line 6 def self.included(klass) klass.class_eval do has_many :footprints, as: :trackable class_attribute :footprint_options end klass.send :extend, ClassMethods klass.send :include, InstanceMethods end