sbool tok_shouldAddReturn(LS tok) {
  S lastToken = get(tok, l(tok)-2);
  if (eqOneOf(lastToken, ";", null)) false;
  if (eq(lastToken, "}")) {
    int i = findBeginningOfBlock(tok, l(tok)-2);
    ret eqGet(tok, i-4, "-") && eqGet(tok, i-3, "") && eqGet(tok, i-2, ">"); // it's a lambda definition
  }
  true;
}

sbool tok_shouldAddReturn(S s) {
  ret tok_shouldAddReturn(javaTok(s));
}