message: Fix std::cout
diff: @@ -178,8 +178,8 @@ std::ostream& operator<<(std::ostream& os, const Binary& binary) {
  }
  }
  - std::cout << "Number of classes: " << std::dec << binary.classes().size() << std::endl;
  - std::cout << "Number of methods: " << std::dec << binary.methods().size() << std::endl;
  + os << "Number of classes: " << std::dec << binary.classes().size() << std::endl;
  + os << "Number of methods: " << std::dec << binary.methods().size() << std::endl;
  return os;
  