// turns out reMutable and reImmutable are the same thing!?
svoid tok_reImmutableVars(LS tok) {
  tok_unifyKeywords(tok, remutableKeywords(), "reImmutable");
      
  jreplace_dyn(tok, "reImmutable <id>;", (_tok, i) -> {
    S var = _get(tok, i+2);
    S var2 = makeVar(var);
    ret "var \*var2*/ = \*var*/; replace \*var*/ with \*var2*/.";
  });
}