std::vector<std::string> args = *args_;
std::unique_ptr<char*[]> argv(new char*[argc + 1]);
for (int i = 0; i != argc; ++i)
- argv[i] = args[i].empty() ? const_cast<char*>(""): &args[i].front();
+ argv[i] = args[i].empty() ? '\0' : &args[i].front();
argv[argc] = nullptr;
code_(argc, argv.get());
}