Function to_string

extern/catch/catch.hpp:12144–12152

namespace Catch {
template <typename T>
std::string to_string(T const& t) {
#if defined(CATCH_CONFIG_CPP11_TO_STRING)
  return std::to_string(t);
#else
  ReusableStringStream rss;
  rss << t;
  return rss.str();
#endif
}
}  // end namespace Catch

// end catch_to_string.hpp