method
intersection
v7.1.3.2 -
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Class: ActiveRecord::Associations::HasManyThroughAssociation
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intersection(a, b)
private
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# File activerecord/lib/active_record/associations/has_many_through_association.rb, line 177 def intersection(a, b) distribution = distribution(b) a.select { |record| mark_occurrence(distribution, record) } end