svoid test_tok_leftScanTypeArgsOpt() {
  LS tok = javaTok("static <bla> bool ...");
  assertEqualsVerbose("static", get(tok, tok_leftScanTypeArgsOpt(tok, indexOf(tok, "bool"))-2));
  tok = javaTok("static bool ...");
  assertEqualsVerbose("static", get(tok, tok_leftScanTypeArgsOpt(tok, indexOf(tok, "bool"))-2));
  tok = javaTok("static <A extends L<S>, B> bool ...");
  assertEqualsVerbose("static", get(tok, tok_leftScanTypeArgsOpt(tok, indexOf(tok, "bool"))-2));
}