Function cmJoin

Source/cmStringAlgorithms.h:69–83

/** Joins elements of a range with separator into a single string.  */
template <typename Range>
std::string cmJoin(Range const& rng, cm::string_view separator)
{
  if (rng.empty()) {
    return std::string();
  }

  std::ostringstream os;
  auto it = rng.begin();
  auto const end = rng.end();
  os << *it;
  while (++it != end) {
    os << separator << *it;
  }
  return os.str();
}

/** Generic function to join strings range with separator
 *  and initial leading string into a single string.