static void tok_recordDecls(L<S> tok) {
  int i;
  while ((i = jfind(tok, "record <id>(")) >= 0) {
    int argsFrom = i+6, argsTo = findCodeTokens(tok, i, false, ")");
    int idx = findCodeTokens(tok, argsTo, false, "{");
    int j = findEndOfBracketPart(tok, idx);
    S name = tok.get(i+2);
    
    new StringBuilder buf;
    
    L<S> tArgs = subList(tok, argsFrom-1, argsTo);
    L<Pair<S>> args = tok_typesAndNamesOfParams(tArgs);
    
    for (Pair<S> p : args)
      buf.append("\n" + p.a + " " + p.b + ";");
      
    buf.append("\n*() {}");
    buf.append("\n*(" + joinWithComma(map(args, func(Pair<S> p) -> S {
      dropPrefix("new ", p.a) + " *" + p.b })) + ") {}");
      
    buf.append("\ntoString { ret " 
      + quote(name + "(")
      + " + "
      + join(" + " , secondOfPairs(args))
      + " + \")\"; }");
      
    buf.append("\n[stdEq]");
    
    tok.set(idx, "{" + buf);
    tok.set(i, "class");
    clearTokens(tok, argsFrom-2, argsTo+1);
    reTok(tok, i, idx+1);
  }
}