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Minimal test - lines (50, 100)

Code

namespace lul {

using std::string;

////////////////////////////////////////////////////////////////
// Module
//
Module::Module(const string& name, const string& os, const string& architecture,
               const string& id)
    : name_(name), os_(os), architecture_(architecture), id_(id) {}

Module::~Module() {}

////////////////////////////////////////////////////////////////
// UniqueString
//
class UniqueString {
 public:
  explicit UniqueString(string str) { str_ = strdup(str.c_str()); }
  ~UniqueString() { free(reinterpret_cast(const_cast(str_))); }
  const char* str_;
};

const char* FromUniqueString(const UniqueString* ustr) { return ustr->str_; }

bool IsEmptyUniqueString(const UniqueString* ustr) {
  return (ustr->str_)[0] == '\0';
}

////////////////////////////////////////////////////////////////
// UniqueStringUniverse
//
UniqueStringUniverse::~UniqueStringUniverse() {
  for (std::map::iterator it = map_.begin();
       it != map_.end(); it++) {
    delete it->second;
  }
}

const UniqueString* UniqueStringUniverse::ToUniqueString(string str) {
  std::map::iterator it = map_.find(str);
  if (it == map_.end()) {
    UniqueString* ustr = new UniqueString(str);
    map_[str] = ustr;
    return ustr;
  } else {
    return it->second;
  }
}

}  // namespace lul

Minimal test - lines (57, 59)

Code

Module::Module(const string& name, const string& os, const string& architecture,
               const string& id)
    : name_(name), os_(os), architecture_(architecture), id_(id) {}