Method dependency1

example/deduce_scope.cpp:26–31

struct dependency1 {
  dependency1(std::shared_ptr<interface> spi /*shared*/
              ,
              const std::shared_ptr<interface>& spi_ /*shared*/)
      : spi_(spi), spi__(spi_) {
    assert(spi.get() == spi_.get());
  }

  std::shared_ptr<interface> spi_;
  std::shared_ptr<interface> spi__;