JezK
Edit File: setter_trap.rb
class SetterTrap < ActiveSupport::BasicObject class << self def rollback_sets(obj) returning yield(setter_trap = new(obj)) do setter_trap.rollback_sets end end end def initialize(obj) @cache = {} @obj = obj end def respond_to?(method) @obj.respond_to?(method) end def method_missing(method, *args, &proc) @cache[method] ||= @obj.send($`) if method.to_s =~ /=$/ @obj.send method, *args, &proc end def rollback_sets @cache.each { |k, v| @obj.send k, v } end end