static int cSmartSet_withConverter_pcall(bool verbose default false, Concept c, O... values) {
  ret cSmartSet_withConverter_pcall(verbose, new DefaultValueConverterForField, c, values);
}

// returns number of changes
static int cSmartSet_withConverter_pcall(bool verbose default false, ValueConverterForField converter, Concept c, O... values) ctex {
  if (c == null) ret 0;
  warnIfOddCount(values = unrollAndExpandParams(c.getClass(), values));
  int changes = 0;
  for (int i = 0; i+1 < l(values); i += 2) pcall {
    if (cSmartSetField_withConverter(c, (S) values[i], values[i+1], converter, verbose)) ++changes;
  }
  ret changes;
}

Began life as a copy of #1029595