# File lib/dm-core/associations/one_to_one.rb, line 60
        def initialize(name, target_model, source_model, options = {})
          klass = options.key?(:through) ? ManyToMany::Relationship : OneToMany::Relationship
          target_model ||= Extlib::Inflection.camelize(name).freeze
          @relationship = klass.new(name, target_model, source_model, options)
        end