# File lib/dm-core/associations/many_to_one.rb, line 114 def set(source, target) assert_kind_of 'source', source, source_model assert_kind_of 'target', target, target_model, Hash, NilClass if target.kind_of?(Hash) target = target_model.new(target) end source_key.set(source, target.nil? ? [] : target_key.get(target)) set!(source, target) end